Healthcare provider profile · identity verified

Jonathan Klahr, MD

Allopathic & Osteopathic Physicians|Internal Medicine|Rheumatology · CEDARHURST, NY · NPI 1487738936

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 Jonathan Klahr, MD received $304.34 in general payments during 2025 across 15 reported records.

Novo Nordisk Inc accounted for 34.7% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 9 associated products.

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

ABBVIE 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 SYNTHROID as an associated drug or biological on 10655 records involving 4881 distinct recipient NPIs. Public Medicare Part D data also shows 14 claims for Synthroid by this doctor in 2024.

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 12 claims for Prolia 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 27 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 14 claims for Eliquis by this doctor in 2024.

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

Payment overview · 2025

General Payments

$304.34

15 reported records · 4 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
Novo Nordisk Inc Unresolved — no canonical attribution shown $105.6834.7%42025
ABBVIE INC. Unresolved — no canonical attribution shown $81.9226.9%52025
Amgen Inc. Unresolved — no canonical attribution shown $79.4126.1%42025
PFIZER INC. Unresolved — no canonical attribution shown $37.3312.3%22025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$304.3415

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
Ozempic
Normalized: ozempic
Drug Novo Nordisk Inc $105.68 4 2025
Source payment records
Rybelsus
Normalized: rybelsus
Drug Novo Nordisk Inc $74.45 3 2025
Source payment records
RINVOQ
Normalized: rinvoq
Biological ABBVIE INC. $65.72 4 2025
Source payment records
XELJANZ
Normalized: xeljanz
Drug PFIZER INC. $37.33 2 2025
Source payment records
EVENITY
Normalized: evenity
Biological Amgen Inc. $36.71 2 2025
Source payment records
OTEZLA
Normalized: otezla
Drug Amgen Inc. $25.04 1 2025
Source payment records
PROLIA
Normalized: prolia
Biological Amgen Inc. $17.83 1 2025
Source payment records
TAVNEOS
Normalized: tavneos
Drug Amgen Inc. $17.66 1 2025
Source payment records
SKYRIZI
Normalized: skyrizi
Biological ABBVIE INC. $16.20 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
Ozempic
ozempic
2025 Ozempic 2024 27
Beneficiary count suppressed
exact normalized Medicare Part D
PROLIA
prolia
2025 Prolia 2024 12
Beneficiary count suppressed
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
ABBVIE INC.
Exact reporting entity; no affiliate inference
2025 SYNTHROID
open payments reported associated product
CMS Open Payments — General Payments
10655 supporting records · 4881 recipient NPIs · example record 1201352636
Synthroid · 2024
Exact normalized brand match · 1 Part D row
14 suppressed by CMS
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
12 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
27 suppressed by CMS
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
14 suppressed by CMS

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
PrednisonePrednisone27159
MethotrexateMethotrexate Sodium22956
Losartan PotassiumLosartan Potassium17944
Diclofenac SodiumDiclofenac Sodium9243
Atorvastatin CalciumAtorvastatin Calcium8924
MeloxicamMeloxicam8544
Amlodipine BesylateAmlodipine Besylate8227
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen8212
AllopurinolAllopurinol8021
Levothyroxine SodiumLevothyroxine Sodium7418
Tamsulosin HclTamsulosin Hcl7118
Raloxifene HclRaloxifene Hcl6415
OmeprazoleOmeprazole6221
Tramadol HclTramadol Hcl5913
Metformin Hcl ErMetformin Hcl5518
SimvastatinSimvastatin5216
Zolpidem TartrateZolpidem Tartrate48suppressed
AlprazolamAlprazolam4716
Metoprolol SuccinateMetoprolol Succinate4712
Potassium ChloridePotassium Chloride4714
AzithromycinAzithromycin4639
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid4111
Folic AcidFolic Acid40suppressed
DutasterideDutasteride39suppressed
Escitalopram OxalateEscitalopram Oxalate3912
NaproxenNaproxen3919
FurosemideFurosemide3813
Trazodone HclTrazodone Hcl3311
ColchicineColchicine3211
Pravastatin SodiumPravastatin Sodium30suppressed
Enalapril MaleateEnalapril Maleate27suppressed
JardianceEmpagliflozin27suppressed
OzempicSemaglutide27suppressed
IrbesartanIrbesartan25suppressed
CelecoxibCelecoxib2413
Metformin HclMetformin Hcl24suppressed
Methenamine HippurateMethenamine Hippurate24suppressed
LisinoprilLisinopril23suppressed
Rosuvastatin CalciumRosuvastatin Calcium23suppressed
Ciprofloxacin HclCiprofloxacin Hcl2217
FinasterideFinasteride22suppressed
Metoprolol TartrateMetoprolol Tartrate22suppressed
EtodolacEtodolac2014
JanuviaSitagliptin Phosphate18suppressed
MethylprednisoloneMethylprednisolone17suppressed
Sertraline HclSertraline Hcl17suppressed
Pantoprazole SodiumPantoprazole Sodium16suppressed
Duloxetine HclDuloxetine Hcl15suppressed
EliquisApixaban14suppressed
SynthroidLevothyroxine Sodium14suppressed
Hydroxychloroquine SulfateHydroxychloroquine Sulfate13suppressed
LeflunomideLeflunomide13suppressed
DiazepamDiazepam12suppressed
LovastatinLovastatin12suppressed
ProliaDenosumab12suppressed
Tramadol Hcl-AcetaminophenTramadol Hcl/Acetaminophen12suppressed
Alendronate SodiumAlendronate Sodium11suppressed
KetoconazoleKetoconazole11suppressed

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 $304.34 · 15 records Novo Nordisk Inc EVENITY, OTEZLA, Ozempic, PROLIA, RINVOQ, Rybelsus, SKYRIZI, TAVNEOS, XELJANZ 4
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