Healthcare provider profile · identity verified

Stephen S Buchanan, MD

Family Practice · FRAMINGHAM, MA · NPI 1104815398

Profile state: partd only 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

We did not find matching Open Payments records for this doctor in 2025.

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

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

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.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

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.

There is no payer-company set available for this comparison.

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

Brand	Generic	Claims	Beneficiaries
Atorvastatin Calcium	Atorvastatin Calcium	448	133
Lisinopril	Lisinopril	218	64
Omeprazole	Omeprazole	218	60
Levothyroxine Sodium	Levothyroxine Sodium	172	42
Amlodipine Besylate	Amlodipine Besylate	128	41
Losartan Potassium	Losartan Potassium	128	40
Metoprolol Succinate	Metoprolol Succinate	115	37
Simvastatin	Simvastatin	111	31
Alprazolam	Alprazolam	93	15
Oxycodone Hcl	Oxycodone Hcl	91	suppressed
Tamsulosin Hcl	Tamsulosin Hcl	85	22
Gabapentin	Gabapentin	82	21
Furosemide	Furosemide	78	24
Fluticasone Propionate	Fluticasone Propionate	71	31
Lorazepam	Lorazepam	70	16
Metformin Hcl Er	Metformin Hcl	68	20
Allopurinol	Allopurinol	66	16
Warfarin Sodium	Warfarin Sodium	62	suppressed
Rosuvastatin Calcium	Rosuvastatin Calcium	57	16
Azithromycin	Azithromycin	53	42
Hydrochlorothiazide	Hydrochlorothiazide	52	17
Metformin Hcl	Metformin Hcl	52	17
Tramadol Hcl	Tramadol Hcl	51	12
Clonazepam	Clonazepam	48	suppressed
Eliquis	Apixaban	47	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	47	11
Albuterol Sulfate Hfa	Albuterol Sulfate	46	16
Atenolol	Atenolol	46	11
Pantoprazole Sodium	Pantoprazole Sodium	46	12
Triamcinolone Acetonide	Triamcinolone Acetonide	46	27
Citalopram Hbr	Citalopram Hydrobromide	42	suppressed
Glimepiride	Glimepiride	42	12
Fluoxetine Hcl	Fluoxetine Hcl	40	suppressed
Sertraline Hcl	Sertraline Hcl	38	13
Cephalexin	Cephalexin	32	26
Doxycycline Monohydrate	Doxycycline Monohydrate	31	24
Prednisone	Prednisone	30	15
Meclizine Hcl	Meclizine Hcl	29	suppressed
Donepezil Hcl	Donepezil Hcl	28	suppressed
Ketoconazole	Ketoconazole	28	15
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	25	suppressed
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	25	suppressed
Trulicity	Dulaglutide	24	suppressed
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	23	suppressed
Pravastatin Sodium	Pravastatin Sodium	23	suppressed
Jardiance	Empagliflozin	22	suppressed
Bupropion Hcl Sr	Bupropion Hcl	20	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	20	suppressed
Metoprolol Tartrate	Metoprolol Tartrate	20	suppressed
Myrbetriq	Mirabegron	20	suppressed
Acetaminophen-Codeine	Acetaminophen With Codeine	18	suppressed
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	18	13
Diazepam	Diazepam	18	suppressed
Meloxicam	Meloxicam	18	suppressed
Pregabalin	Pregabalin	18	suppressed
Sulfamethoxazole-Trimethoprim	Sulfamethoxazole/Trimethoprim	18	14
Amitriptyline Hcl	Amitriptyline Hcl	17	suppressed
Ezetimibe	Ezetimibe	17	suppressed
Carbidopa-Levodopa	Carbidopa/Levodopa	16	suppressed
Carvedilol	Carvedilol	16	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	16	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	16	suppressed
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	16	suppressed
Trospium Chloride	Trospium Chloride	16	suppressed
Metronidazole	Metronidazole	15	suppressed
Nystatin	Nystatin	15	suppressed
Synthroid	Levothyroxine Sodium	15	suppressed
Diclofenac Sodium	Diclofenac Sodium	14	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Trazodone Hcl	Trazodone Hcl	14	suppressed
Finasteride	Finasteride	13	suppressed
Potassium Chloride	Potassium Chloride	13	suppressed
Qvar Redihaler	Beclomethasone Dipropionate	13	suppressed
Spironolactone	Spironolactone	13	suppressed
Cefpodoxime Proxetil	Cefpodoxime Proxetil	12	11
Oxycontin	Oxycodone Hcl	12	suppressed
Tizanidine Hcl	Tizanidine Hcl	12	suppressed
Tradjenta	Linagliptin	12	suppressed
Valacyclovir	Valacyclovir Hcl	12	suppressed
Clopidogrel	Clopidogrel Bisulfate	11	suppressed
Methylphenidate Er	Methylphenidate Hcl	11	suppressed
Piroxicam	Piroxicam	11	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	11	suppressed

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.

Year	General Payments	Main payer	Explicit products	Company overlaps	Part D coverage
2025	—	—	—	—	—
2024	—	—	—	—	Complete

Questions to ask

Questions you could discuss with your doctor

Are there reasonable alternatives I should understand when we discuss treatment options?
How should I interpret the industry-payment records shown here in the context of my care?

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

Sources and limitations

How to read this page

Payment and Medicare prescribing data can cover different years; every comparison shows both years explicitly.
Part D does not represent a doctor’s entire practice; it excludes many patients and is subject to CMS public-release thresholds.
Company–drug relationships must have an auditable source, a precise relationship type, and a valid evidence period. Unresolved mappings are not published.
Generic drug claims are not attributed to a specific manufacturer without manufacturer-level evidence.
When a source extract is incomplete, missing rows are never treated as proof of no payments or no prescriptions.

Loaded source releases

Dataset	Year	Publication	Source
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