Healthcare provider profile · identity verified

Alan Jacob Merin, MD

Allopathic & Osteopathic Physicians|Internal Medicine|Nephrology · SAN ANTONIO, TX · NPI 1366440547

Profile state: payments and partd Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

CMS Open Payments records show Alan Jacob Merin, MD received $991.05 in general payments during 2025 across 47 reported records.

Amgen Inc. accounted for 27.2% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 22 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Eliquis, Jardiance, Kerendia, Mounjaro, Ozempic, Paxlovid, Prolia.

Amgen Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported PROLIA as an associated drug or biological on 20867 records involving 11744 distinct recipient NPIs. Public Medicare Part D data also shows 23 claims for Prolia by this doctor in 2024.

Bayer Healthcare Pharmaceuticals Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Kerendia as an associated drug or biological on 138674 records involving 48458 distinct recipient NPIs. Public Medicare Part D data also shows 69 claims for Kerendia by this doctor in 2024.

Boehringer Ingelheim Pharmaceuticals, Inc. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported JARDIANCE as an associated drug or biological on 123636 records involving 49438 distinct recipient NPIs. Public Medicare Part D data also shows 275 claims for Jardiance by this doctor in 2024.

Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported JARDIANCE as an associated drug or biological on 47708 records involving 23833 distinct recipient NPIs. Public Medicare Part D data also shows 275 claims for Jardiance by this doctor in 2024.

Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported MOUNJARO as an associated drug or biological on 186719 records involving 66436 distinct recipient NPIs. Public Medicare Part D data also shows 141 claims for Mounjaro by this doctor in 2024.

Lilly USA, LLC reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported TRULICITY as an associated drug or biological on 71 records involving 57 distinct recipient NPIs. Public Medicare Part D data also shows 11 claims for Trulicity by this doctor in 2024.

Novo Nordisk Inc reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported Ozempic as an associated drug or biological on 261625 records involving 77793 distinct recipient NPIs. Public Medicare Part D data also shows 114 claims for Ozempic by this doctor in 2024.

PFIZER INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported ELIQUIS as an associated drug or biological on 87112 records involving 36032 distinct recipient NPIs. Public Medicare Part D data also shows 53 claims for Eliquis by this doctor in 2024.

PFIZER INC. reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported PAXLOVID as an associated drug or biological on 24465 records involving 15715 distinct recipient NPIs. Public Medicare Part D data also shows 31 claims for Paxlovid by this doctor in 2024.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

$991.05

47 reported records · 12 companies

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Who paid this doctor?

Companies in 2025 General Payments

Reported companyCanonical companyAmountShareRecordsYear
Amgen Inc. Unresolved — no canonical attribution shown $270.0127.2%142025
CVRx, Inc. Unresolved — no canonical attribution shown $107.7610.9%12025
Boehringer Ingelheim Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $103.7110.5%52025
Bayer Healthcare Pharmaceuticals Inc. Unresolved — no canonical attribution shown $102.1210.3%52025
Novo Nordisk Inc Unresolved — no canonical attribution shown $97.709.9%42025
Astellas Pharma US Inc Unresolved — no canonical attribution shown $71.327.2%42025
Bausch Health US, LLC Unresolved — no canonical attribution shown $55.645.6%32025
Lilly USA, LLC Unresolved — no canonical attribution shown $47.484.8%32025
PFIZER INC. Unresolved — no canonical attribution shown $47.204.8%32025
Sumitomo Pharma America, Inc. Unresolved — no canonical attribution shown $44.944.5%32025
Abbott Laboratories Unresolved — no canonical attribution shown $24.312.5%12025
ARS Pharmaceuticals Operations, Inc. Unresolved — no canonical attribution shown $18.861.9%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$970.8346
Education$20.221

A meal, consulting fee, royalty, and travel payment describe different kinds of reported relationships and should not be interpreted as equivalent.

Analysis 1 · Payment-linked products

Products named in Open Payments records

Reported productTypeReported companyRelated amount*RecordsYear
OTEZLA
Normalized: otezla
Drug Amgen Inc. $134.63 12 2025
Source payment records
REPATHA
Normalized: repatha
Biological Amgen Inc. $134.63 12 2025
Source payment records
TAVNEOS
Normalized: tavneos
Drug Amgen Inc. $121.91 1 2025
Source payment records
Barostim Neo System
Normalized: barostim neo system
Device CVRx, Inc. $107.76 1 2025
Source payment records
JARDIANCE
Normalized: jardiance
Drug Boehringer Ingelheim Pharmaceuticals, Inc. $103.71 5 2025
Source payment records
Kerendia
Normalized: kerendia
Drug Bayer Healthcare Pharmaceuticals Inc. $102.12 5 2025
Source payment records
Wegovy
Normalized: wegovy
Drug Novo Nordisk Inc $73.37 3 2025
Source payment records
Veozah
Normalized: veozah
Drug Astellas Pharma US Inc $71.32 4 2025
Source payment records
APLENZIN
Normalized: aplenzin
Drug Bausch Health US, LLC $55.64 3 2025
Source payment records
MOUNJARO
Normalized: mounjaro
Drug Lilly USA, LLC $47.48 3 2025
Source payment records
ZEPBOUND
Normalized: zepbound
Drug Lilly USA, LLC $47.48 3 2025
Source payment records
ELIQUIS
Normalized: eliquis
Drug PFIZER INC. $32.34 2 2025
Source payment records
NURTEC ODT
Normalized: nurtec odt
Drug PFIZER INC. $32.34 2 2025
Source payment records
GEMTESA
Normalized: gemtesa
Drug Sumitomo Pharma America, Inc. $29.00 2 2025
Source payment records
Ozempic
Normalized: ozempic
Drug Novo Nordisk Inc $24.33 1 2025
Source payment records
Rybelsus
Normalized: rybelsus
Drug Novo Nordisk Inc $24.33 1 2025
Source payment records
FREESTYLE LIBRE 3
Normalized: freestyle libre 3
Device Abbott Laboratories $24.31 1 2025
Source payment records
NEFFY
Normalized: neffy
Drug ARS Pharmaceuticals Operations, Inc. $18.86 1 2025
Source payment records
MYFEMBREE
Normalized: myfembree
Drug Sumitomo Pharma America, Inc. $15.94 1 2025
Source payment records
PAXLOVID
Normalized: paxlovid
Drug PFIZER INC. $14.86 1 2025
Source payment records
EVENITY
Normalized: evenity
Biological Amgen Inc. $13.47 1 2025
Source payment records
PROLIA
Normalized: prolia
Biological Amgen Inc. $13.47 1 2025
Source payment records

* Product-associated amounts are non-additive because one payment record may name more than one product.

These products were named on specific Open Payments records. A named product does not show that the payment influenced treatment or prescribing.

Public prescribing for products named in payments

Open Payments productPayment yearPart D brandPart D yearClaimsMatch methodSource
ELIQUIS
eliquis
2025 Eliquis 2024 53 exact normalized Medicare Part D
JARDIANCE
jardiance
2025 Jardiance 2024 275 exact normalized Medicare Part D
Kerendia
kerendia
2025 Kerendia 2024 69 exact normalized Medicare Part D
MOUNJARO
mounjaro
2025 Mounjaro 2024 141 exact normalized Medicare Part D
Ozempic
ozempic
2025 Ozempic 2024 114 exact normalized Medicare Part D
PAXLOVID
paxlovid
2025 Paxlovid 2024 31 exact normalized Medicare Part D
PROLIA
prolia
2025 Prolia 2024 23 exact normalized Medicare Part D

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

Paying companyPayment yearDrug reported by same entityOpen Payments evidencePart DClaimsBeneficiaries
Amgen Inc.
Exact reporting entity; no affiliate inference
2025 PROLIA
open payments reported associated product
CMS Open Payments — General Payments
20867 supporting records · 11744 recipient NPIs · example record 1226874448
Prolia · 2024
Exact normalized brand match · 1 Part D row
23 14
Bayer Healthcare Pharmaceuticals Inc.
Exact reporting entity; no affiliate inference
2025 Kerendia
open payments reported associated product
CMS Open Payments — General Payments
138674 supporting records · 48458 recipient NPIs · example record 1225434663
Kerendia · 2024
Exact normalized brand match · 1 Part D row
69 17
Boehringer Ingelheim Pharmaceuticals, Inc.
Exact reporting entity; no affiliate inference
2025 JARDIANCE
open payments reported associated product
CMS Open Payments — General Payments
123636 supporting records · 49438 recipient NPIs · example record 1221811583
Jardiance · 2024
Exact normalized brand match · 1 Part D row
275 60
Lilly USA, LLC
Exact reporting entity; no affiliate inference
2025 JARDIANCE
open payments reported associated product
CMS Open Payments — General Payments
47708 supporting records · 23833 recipient NPIs · example record 1186464557
Jardiance · 2024
Exact normalized brand match · 1 Part D row
275 60
Lilly USA, LLC
Exact reporting entity; no affiliate inference
2025 MOUNJARO
open payments reported associated product
CMS Open Payments — General Payments
186719 supporting records · 66436 recipient NPIs · example record 1186464455
Mounjaro · 2024
Exact normalized brand match · 1 Part D row
141 23
Lilly USA, LLC
Exact reporting entity; no affiliate inference
2025 TRULICITY
open payments reported associated product
CMS Open Payments — General Payments
71 supporting records · 57 recipient NPIs · example record 1186464601
Trulicity · 2024
Exact normalized brand match · 1 Part D row
11 suppressed by CMS
Novo Nordisk Inc
Exact reporting entity; no affiliate inference
2025 Ozempic
open payments reported associated product
CMS Open Payments — General Payments
261625 supporting records · 77793 recipient NPIs · example record 1188130076
Ozempic · 2024
Exact normalized brand match · 1 Part D row
114 22
PFIZER INC.
Exact reporting entity; no affiliate inference
2025 ELIQUIS
open payments reported associated product
CMS Open Payments — General Payments
87112 supporting records · 36032 recipient NPIs · example record 1228794063
Eliquis · 2024
Exact normalized brand match · 1 Part D row
53 14
PFIZER INC.
Exact reporting entity; no affiliate inference
2025 PAXLOVID
open payments reported associated product
CMS Open Payments — General Payments
24465 supporting records · 15715 recipient NPIs · example record 1228794432
Paxlovid · 2024
Exact normalized brand match · 1 Part D row
31 31

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
JardianceEmpagliflozin27560
Atorvastatin CalciumAtorvastatin Calcium25470
Losartan PotassiumLosartan Potassium22758
Rosuvastatin CalciumRosuvastatin Calcium14345
MounjaroTirzepatide14123
CarvedilolCarvedilol14031
OzempicSemaglutide11422
Pioglitazone HclPioglitazone Hcl10727
ColchicineColchicine10427
EzetimibeEzetimibe10331
Pantoprazole SodiumPantoprazole Sodium9127
TorsemideTorsemide9124
AllopurinolAllopurinol8718
Levothyroxine SodiumLevothyroxine Sodium8021
NabumetoneNabumetone7615
FarxigaDapagliflozin Propanediol7512
HydrochlorothiazideHydrochlorothiazide7327
KerendiaFinerenone6917
Nifedipine ErNifedipine6214
Metoprolol SuccinateMetoprolol Succinate6118
Trazodone HclTrazodone Hcl6016
EliquisApixaban5314
DroxidopaDroxidopa49suppressed
Repatha SureclickEvolocumab46suppressed
Tamsulosin HclTamsulosin Hcl4114
Sertraline HclSertraline Hcl39suppressed
CefdinirCefdinir3831
ClopidogrelClopidogrel Bisulfate38suppressed
Escitalopram OxalateEscitalopram Oxalate37suppressed
LorazepamLorazepam37suppressed
MirtazapineMirtazapine37suppressed
Ipratropium BromideIpratropium Bromide3314
PaxlovidNirmatrelvir/Ritonavir3131
PrednisonePrednisone3124
Potassium ChloridePotassium Chloride3012
OmeprazoleOmeprazole29suppressed
Desvenlafaxine Succinate ErDesvenlafaxine Succinate28suppressed
Tramadol HclTramadol Hcl27suppressed
EntrestoSacubitril/Valsartan26suppressed
Nebivolol HclNebivolol Hcl26suppressed
SpironolactoneSpironolactone25suppressed
EstradiolEstradiol24suppressed
Labetalol HclLabetalol Hcl24suppressed
SynthroidLevothyroxine Sodium24suppressed
Amiloride HclAmiloride Hcl23suppressed
ProliaDenosumab2314
Doxepin HclDoxepin Hcl22suppressed
MupirocinMupirocin2214
Albuterol Sulfate HfaAlbuterol Sulfate20suppressed
Methenamine HippurateMethenamine Hippurate20suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog18suppressed
Montelukast SodiumMontelukast Sodium17suppressed
Venlafaxine Hcl ErVenlafaxine Hcl17suppressed
AlprazolamAlprazolam16suppressed
Anoro ElliptaUmeclidinium Brm/Vilanterol Tr16suppressed
Fluticasone PropionateFluticasone Propionate16suppressed
MethocarbamolMethocarbamol16suppressed
Ondansetron OdtOndansetron1611
Potassium Citrate ErPotassium Citrate16suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav1512
Metoprolol TartrateMetoprolol Tartrate15suppressed
SimvastatinSimvastatin15suppressed
TemazepamTemazepam15suppressed
Amiodarone HclAmiodarone Hcl14suppressed
AzithromycinAzithromycin1414
Cyclobenzaprine HclCyclobenzaprine Hcl14suppressed
Memantine HclMemantine Hcl14suppressed
Rabeprazole SodiumRabeprazole Sodium14suppressed
GabapentinGabapentin13suppressed
LisinoprilLisinopril13suppressed
Zolpidem TartrateZolpidem Tartrate13suppressed
Donepezil HclDonepezil Hcl12suppressed
FluconazoleFluconazole12suppressed
Oxybutynin Chloride ErOxybutynin Chloride12suppressed
Azelastine HclAzelastine Hcl11suppressed
BrilintaTicagrelor11suppressed
Diclofenac Sodium ErDiclofenac Sodium11suppressed
Diltiazem 24hr ErDiltiazem Hcl11suppressed
Ondansetron HclOndansetron Hcl11suppressed
TrulicityDulaglutide11suppressed
XareltoRivaroxaban11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025 $991.05 · 47 records Amgen Inc. APLENZIN, Barostim Neo System, ELIQUIS, EVENITY, FREESTYLE LIBRE 3, GEMTESA, JARDIANCE, Kerendia, MOUNJARO, MYFEMBREE, NEFFY, NURTEC ODT, OTEZLA, Ozempic, PAXLOVID, PROLIA, REPATHA, Rybelsus, TAVNEOS, Veozah, Wegovy, ZEPBOUND 9
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error