Healthcare provider profile · identity verified

Craig Steven Weeks, MD

Allopathic & Osteopathic Physicians|General Practice · SAGINAW, MI · NPI 1417338245

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 Craig Steven Weeks, MD received $910.32 in general payments during 2025 across 42 reported records.

Gilead Sciences, Inc. accounted for 47.9% of that reported general-payment amount.

The Open Payments records used for this analysis explicitly named 12 associated products.

A separate comparison found the same explicitly named product in public Medicare Part D data: Biktarvy, Cabenuva, Dovato, Epclusa, Pifeltro.

AstraZeneca Pharmaceuticals LP reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported FARXIGA as an associated drug or biological on 106133 records involving 42906 distinct recipient NPIs. Public Medicare Part D data also shows 36 claims for Farxiga by this doctor in 2024.

AstraZeneca Pharmaceuticals LP reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported SYMBICORT as an associated drug or biological on 71 records involving 51 distinct recipient NPIs. Public Medicare Part D data also shows 20 claims for Symbicort by this doctor in 2024.

Gilead Sciences, 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 Biktarvy as an associated drug or biological on 8065 records involving 2759 distinct recipient NPIs. Public Medicare Part D data also shows 100 claims for Biktarvy by this doctor in 2024.

Gilead Sciences, 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 Descovy as an associated drug or biological on 2032 records involving 589 distinct recipient NPIs. Public Medicare Part D data also shows 36 claims for Descovy by this doctor in 2024.

Gilead Sciences, 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 Epclusa as an associated drug or biological on 4711 records involving 2021 distinct recipient NPIs. Public Medicare Part D data also shows 13 claims for Epclusa by this doctor in 2024.

Merck Sharp & Dohme 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 PIFELTRO as an associated drug or biological on 7921 records involving 2912 distinct recipient NPIs. Public Medicare Part D data also shows 26 claims for Pifeltro by this doctor in 2024.

ViiV Healthcare Company reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported CABENUVA as an associated drug or biological on 13941 records involving 3305 distinct recipient NPIs. Public Medicare Part D data also shows 42 claims for Cabenuva by this doctor in 2024.

ViiV Healthcare Company reported payments to this doctor in 2025. Across the 2025 Open Payments General Payment records loaded for this analysis, that same reporting entity reported DOVATO as an associated drug or biological on 18732 records involving 3540 distinct recipient NPIs. Public Medicare Part D data also shows 26 claims for Dovato by this doctor in 2024.

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

Payment overview · 2025

General Payments

$910.32

42 reported records · 6 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
Gilead Sciences, Inc. Unresolved — no canonical attribution shown $435.5947.9%202025
ViiV Healthcare Company Unresolved — no canonical attribution shown $387.9742.6%172025
Merck Sharp & Dohme LLC Unresolved — no canonical attribution shown $30.843.4%22025
Xeris Pharmaceuticals, Inc. Unresolved — no canonical attribution shown $22.052.4%12025
Antares Pharma, Inc. Unresolved — no canonical attribution shown $19.172.1%12025
AstraZeneca Pharmaceuticals LP Unresolved — no canonical attribution shown $14.701.6%12025

What were the payments for?

Payment categories

CategoryAmountRecords
Food and Beverage$910.3242

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
APRETUDE
Normalized: apretude
Drug ViiV Healthcare Company $169.69 10 2025
Source payment records
DOVATO
Normalized: dovato
Drug ViiV Healthcare Company $146.96 4 2025
Source payment records
Yeztugo
Normalized: yeztugo
Drug Gilead Sciences, Inc. $100.17 1 2025
Source payment records
CABENUVA
Normalized: cabenuva
Drug ViiV Healthcare Company $71.32 3 2025
Source payment records
DELSTRIGO
Normalized: delstrigo
Drug Merck Sharp & Dohme LLC $30.84 2 2025
Source payment records
PIFELTRO
Normalized: pifeltro
Drug Merck Sharp & Dohme LLC $30.84 2 2025
Source payment records
GVOKE HYPOPEN
Normalized: gvoke hypopen
Drug Xeris Pharmaceuticals, Inc. $22.05 1 2025
Source payment records
Biktarvy
Normalized: biktarvy
Drug Gilead Sciences, Inc. $21.50 2 2025
Source payment records
XYOSTED
Normalized: xyosted
Drug Antares Pharma, Inc. $19.17 1 2025
Source payment records
Epclusa
Normalized: epclusa
Drug Gilead Sciences, Inc. $17.98 1 2025
Source payment records
CAPVAXIVE
Normalized: capvaxive
Biological Merck Sharp & Dohme LLC $16.35 1 2025
Source payment records
AIRSUPRA
Normalized: airsupra
Drug AstraZeneca Pharmaceuticals LP $14.70 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
Biktarvy
biktarvy
2025 Biktarvy 2024 100 exact normalized Medicare Part D
CABENUVA
cabenuva
2025 Cabenuva 2024 42
Beneficiary count suppressed
exact normalized Medicare Part D
DOVATO
dovato
2025 Dovato 2024 26
Beneficiary count suppressed
exact normalized Medicare Part D
Epclusa
epclusa
2025 Epclusa 2024 13
Beneficiary count suppressed
exact normalized Medicare Part D
PIFELTRO
pifeltro
2025 Pifeltro 2024 26
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
AstraZeneca Pharmaceuticals LP
Exact reporting entity; no affiliate inference
2025 FARXIGA
open payments reported associated product
CMS Open Payments — General Payments
106133 supporting records · 42906 recipient NPIs · example record 1206131362
Farxiga · 2024
Exact normalized brand match · 1 Part D row
36 suppressed by CMS
AstraZeneca Pharmaceuticals LP
Exact reporting entity; no affiliate inference
2025 SYMBICORT
open payments reported associated product
CMS Open Payments — General Payments
71 supporting records · 51 recipient NPIs · example record 1206132610
Symbicort · 2024
Exact normalized brand match · 1 Part D row
20 suppressed by CMS
Gilead Sciences, Inc.
Exact reporting entity; no affiliate inference
2025 Biktarvy
open payments reported associated product
CMS Open Payments — General Payments
8065 supporting records · 2759 recipient NPIs · example record 1234350766
Biktarvy · 2024
Exact normalized brand match · 1 Part D row
100 17
Gilead Sciences, Inc.
Exact reporting entity; no affiliate inference
2025 Descovy
open payments reported associated product
CMS Open Payments — General Payments
2032 supporting records · 589 recipient NPIs · example record 1234351196
Descovy · 2024
Exact normalized brand match · 1 Part D row
36 suppressed by CMS
Gilead Sciences, Inc.
Exact reporting entity; no affiliate inference
2025 Epclusa
open payments reported associated product
CMS Open Payments — General Payments
4711 supporting records · 2021 recipient NPIs · example record 1234350832
Epclusa · 2024
Exact normalized brand match · 1 Part D row
13 suppressed by CMS
Merck Sharp & Dohme LLC
Exact reporting entity; no affiliate inference
2025 PIFELTRO
open payments reported associated product
CMS Open Payments — General Payments
7921 supporting records · 2912 recipient NPIs · example record 1237992198
Pifeltro · 2024
Exact normalized brand match · 1 Part D row
26 suppressed by CMS
ViiV Healthcare Company
Exact reporting entity; no affiliate inference
2025 CABENUVA
open payments reported associated product
CMS Open Payments — General Payments
13941 supporting records · 3305 recipient NPIs · example record 1189508908
Cabenuva · 2024
Exact normalized brand match · 1 Part D row
42 suppressed by CMS
ViiV Healthcare Company
Exact reporting entity; no affiliate inference
2025 DOVATO
open payments reported associated product
CMS Open Payments — General Payments
18732 supporting records · 3540 recipient NPIs · example record 1189508902
Dovato · 2024
Exact normalized brand match · 1 Part D row
26 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
Atorvastatin CalciumAtorvastatin Calcium33584
Amlodipine BesylateAmlodipine Besylate17048
Albuterol Sulfate HfaAlbuterol Sulfate15030
LisinoprilLisinopril13441
JardianceEmpagliflozin11830
BiktarvyBictegrav/Emtricit/Tenofov Ala10017
Levothyroxine SodiumLevothyroxine Sodium10021
Metformin HclMetformin Hcl8419
Metoprolol SuccinateMetoprolol Succinate7823
Montelukast SodiumMontelukast Sodium7815
OmeprazoleOmeprazole7319
HydrochlorothiazideHydrochlorothiazide7119
CarvedilolCarvedilol6415
Losartan PotassiumLosartan Potassium5515
Trelegy ElliptaFluticasone/Umeclidin/Vilanter5411
MounjaroTirzepatide4814
GabapentinGabapentin4513
OzempicSemaglutide44suppressed
Rosuvastatin CalciumRosuvastatin Calcium4312
SpironolactoneSpironolactone4313
CabenuvaCabotegravir/Rilpivirine42suppressed
FamotidineFamotidine38suppressed
ClopidogrelClopidogrel Bisulfate37suppressed
TivicayDolutegravir Sodium37suppressed
DescovyEmtricitabine/Tenofov Alafenam36suppressed
FarxigaDapagliflozin Propanediol36suppressed
Ventolin HfaAlbuterol Sulfate36suppressed
Lantus SolostarInsulin Glargine,hum.Rec.Anlog3511
Pantoprazole SodiumPantoprazole Sodium3513
Ropinirole HclRopinirole Hcl35suppressed
SymtuzaDarunavir/Cob/Emtri/Tenof Alaf35suppressed
Fluticasone PropionateFluticasone Propionate3412
Tamsulosin HclTamsulosin Hcl34suppressed
EliquisApixaban33suppressed
FurosemideFurosemide3313
Citalopram HbrCitalopram Hydrobromide32suppressed
JanuviaSitagliptin Phosphate32suppressed
AllopurinolAllopurinol30suppressed
Olmesartan-Amlodipine-HctzOlmesartan/Amlodipin/Hcthiazid30suppressed
ShingrixVaricella-Zoster Ge/As01b/Pf3025
EntrestoSacubitril/Valsartan29suppressed
Hydralazine HclHydralazine Hcl28suppressed
Pravastatin SodiumPravastatin Sodium27suppressed
DovatoDolutegravir Sodium/Lamivudine26suppressed
Metoprolol TartrateMetoprolol Tartrate26suppressed
PifeltroDoravirine26suppressed
Escitalopram OxalateEscitalopram Oxalate24suppressed
ChlorthalidoneChlorthalidone22suppressed
Diltiazem 24hr Er (Cd)Diltiazem Hcl22suppressed
Fluticasone-SalmeterolFluticasone Propion/Salmeterol22suppressed
GlipizideGlipizide22suppressed
Diclofenac SodiumDiclofenac Sodium21suppressed
Triamcinolone AcetonideTriamcinolone Acetonide2112
SymbicortBudesonide/Formoterol Fumarate20suppressed
RoflumilastRoflumilast19suppressed
Sertraline HclSertraline Hcl19suppressed
SimvastatinSimvastatin19suppressed
ValsartanValsartan19suppressed
Amlodipine-OlmesartanAmlodipine Bes/Olmesartan Med18suppressed
IbuprofenIbuprofen18suppressed
BumetanideBumetanide16suppressed
Incruse ElliptaUmeclidinium Bromide16suppressed
MyrbetriqMirabegron16suppressed
Sildenafil CitrateSildenafil Citrate16suppressed
Boostrix TdapDiphth,pertuss(Acell),tet Vac1515
Bupropion XlBupropion Hcl15suppressed
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen15suppressed
Metformin Hcl ErMetformin Hcl15suppressed
MirtazapineMirtazapine15suppressed
Trazodone HclTrazodone Hcl15suppressed
Tresiba Flextouch U-200Insulin Degludec15suppressed
TriumeqAbacavir/Dolutegravir/Lamivudi15suppressed
Amlodipine-ValsartanAmlodipine Besylate/Valsartan14suppressed
Buspirone HclBuspirone Hcl14suppressed
Fluoxetine HclFluoxetine Hcl14suppressed
ArexvyRsvpref3 Antigen/As01e/Pf1313
Azelastine HclAzelastine Hcl13suppressed
EpclusaSofosbuvir/Velpatasvir13suppressed
HavrixHepatitis A Virus Vaccine/Pf1313
PregabalinPregabalin13suppressed
Breztri AerosphereBudesonide/Glycopyr/Formoterol12suppressed
Clotrimazole-BetamethasoneClotrimazole/Betamethasone Dip12suppressed
KetoconazoleKetoconazole12suppressed
Estradiol ValerateEstradiol Valerate11suppressed
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide11suppressed
Novolog FlexpenInsulin Aspart11suppressed
PrednisonePrednisone11suppressed

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 $910.32 · 42 records Gilead Sciences, Inc. AIRSUPRA, APRETUDE, Biktarvy, CABENUVA, CAPVAXIVE, DELSTRIGO, DOVATO, Epclusa, GVOKE HYPOPEN, PIFELTRO, XYOSTED, Yeztugo 8
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