Healthcare provider profile · identity verified

James J. Buchanan, DO

Family Practice · SACRAMENTO, CA · NPI 1063564284

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	825	275
Amlodipine Besylate	Amlodipine Besylate	411	135
Levothyroxine Sodium	Levothyroxine Sodium	335	105
Losartan Potassium	Losartan Potassium	334	110
Lisinopril	Lisinopril	307	100
Fluticasone Propionate	Fluticasone Propionate	305	107
Simvastatin	Simvastatin	207	64
Famotidine	Famotidine	196	82
Metformin Hcl	Metformin Hcl	177	56
Allopurinol	Allopurinol	168	60
Tamsulosin Hcl	Tamsulosin Hcl	165	52
Albuterol Sulfate Hfa	Albuterol Sulfate	164	86
Pantoprazole Sodium	Pantoprazole Sodium	163	53
Metoprolol Tartrate	Metoprolol Tartrate	157	61
Gabapentin	Gabapentin	151	54
Glipizide	Glipizide	147	54
Metformin Hcl Er	Metformin Hcl	144	57
Hydrochlorothiazide	Hydrochlorothiazide	136	48
Furosemide	Furosemide	119	42
Metoprolol Succinate	Metoprolol Succinate	117	43
Atenolol	Atenolol	100	33
Ibuprofen	Ibuprofen	94	29
Hydralazine Hcl	Hydralazine Hcl	93	31
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	88	22
Alendronate Sodium	Alendronate Sodium	83	30
Alvesco	Ciclesonide	81	35
Omeprazole	Omeprazole	79	31
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	78	25
Trazodone Hcl	Trazodone Hcl	77	23
Terazosin Hcl	Terazosin Hcl	74	19
Baclofen	Baclofen	73	33
Finasteride	Finasteride	72	22
Glipizide Er	Glipizide	69	28
Azelastine Hcl	Azelastine Hcl	66	29
Tizanidine Hcl	Tizanidine Hcl	66	21
Hydrocortisone	Hydrocortisone	64	26
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	61	22
Meloxicam	Meloxicam	58	22
Triamcinolone Acetonide	Triamcinolone Acetonide	57	23
Potassium Chloride	Potassium Chloride	52	17
Cefadroxil	Cefadroxil	51	46
Montelukast Sodium	Montelukast Sodium	51	22
Sertraline Hcl	Sertraline Hcl	50	20
Wixela Inhub	Fluticasone Propion/Salmeterol	50	17
Carvedilol	Carvedilol	47	14
Humulin N	Insulin Nph Human Isophane	47	20
Jardiance	Empagliflozin	46	17
Clopidogrel	Clopidogrel Bisulfate	45	18
Pioglitazone Hcl	Pioglitazone Hcl	45	16
Rosuvastatin Calcium	Rosuvastatin Calcium	45	16
Amoxicillin-Clavulanate Potass	Amoxicillin/Potassium Clav	43	32
Spironolactone	Spironolactone	39	13
Acyclovir	Acyclovir	38	18
Colchicine	Colchicine	38	15
Ondansetron Hcl	Ondansetron Hcl	38	16
Veo Insulin Syringe	Syringe-Needle,insulin,0.5 Ml	38	14
Pradaxa	Dabigatran Etexilate Mesylate	37	14
Lactulose	Lactulose	36	20
Pravastatin Sodium	Pravastatin Sodium	36	15
Azithromycin	Azithromycin	35	28
Xarelto	Rivaroxaban	35	11
Nystatin	Nystatin	33	18
Zolpidem Tartrate	Zolpidem Tartrate	33	suppressed
Adacel Tdap	Diph,pertuss(Acell),tet Vac/Pf	32	31
Fenofibrate	Fenofibrate	32	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	32	11
Ketoconazole	Ketoconazole	31	15
Citalopram Hbr	Citalopram Hydrobromide	30	suppressed
Mirtazapine	Mirtazapine	30	suppressed
Lovastatin	Lovastatin	29	12
Naproxen	Naproxen	29	15
Spiriva Respimat	Tiotropium Bromide	29	17
Warfarin Sodium	Warfarin Sodium	29	suppressed
Breyna	Budesonide/Formoterol Fumarate	27	11
Ipratropium Bromide	Ipratropium Bromide	27	16
Tramadol Hcl	Tramadol Hcl	26	suppressed
Lorazepam	Lorazepam	24	suppressed
Memantine Hcl	Memantine Hcl	24	suppressed
Doxycycline Monohydrate	Doxycycline Monohydrate	23	suppressed
Escitalopram Oxalate	Escitalopram Oxalate	22	suppressed
Insulin Glargine-Yfgn	Insulin Glargine-Yfgn	22	suppressed
Venlafaxine Hcl Er	Venlafaxine Hcl	22	suppressed
Hydroxyzine Hcl	Hydroxyzine Hcl	21	suppressed
Clobetasol Propionate	Clobetasol Propionate	20	suppressed
Bupropion Xl	Bupropion Hcl	19	suppressed
Eliquis	Apixaban	19	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	19	suppressed
Sucralfate	Sucralfate	19	suppressed
Cephalexin	Cephalexin	18	15
Ezetimibe	Ezetimibe	16	suppressed
Alprazolam	Alprazolam	15	suppressed
Clindamycin Hcl	Clindamycin Hcl	15	14
Donepezil Hcl	Donepezil Hcl	15	suppressed
Duloxetine Hcl	Duloxetine Hcl	15	suppressed
Nitroglycerin	Nitroglycerin	15	suppressed
Stiolto Respimat	Tiotropium Br/Olodaterol Hcl	15	suppressed
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	15	suppressed
Bupropion Hcl	Bupropion Hcl	14	suppressed
Bupropion Hcl Sr	Bupropion Hcl	14	suppressed
Calcitonin-Salmon	Calcitonin,salmon,synthetic	14	suppressed
Lidocaine	Lidocaine	14	suppressed
Paxlovid	Nirmatrelvir/Ritonavir	14	14
Dicyclomine Hcl	Dicyclomine Hcl	13	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	13	suppressed
Fluocinonide	Fluocinonide	13	suppressed
Proctofoam-Hc	Hydrocortisone/Pramoxine	13	suppressed
Retin-A	Tretinoin	13	suppressed
Clindamycin Phosphate	Clindamycin Phosphate	12	suppressed
Clonidine Hcl	Clonidine Hcl	12	suppressed
Econazole Nitrate	Econazole Nitrate	12	suppressed
Meclizine Hcl	Meclizine Hcl	12	suppressed
Nortriptyline Hcl	Nortriptyline Hcl	12	suppressed
Oxycodone-Acetaminophen	Oxycodone Hcl/Acetaminophen	12	suppressed
Oxycontin	Oxycodone Hcl	12	suppressed
Propranolol Hcl	Propranolol Hcl	12	suppressed
Sulfasalazine	Sulfasalazine	12	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	12	suppressed
Benazepril Hcl	Benazepril Hcl	11	suppressed
Buspirone Hcl	Buspirone Hcl	11	suppressed
Ciprofloxacin Hcl	Ciprofloxacin Hcl	11	suppressed
Dulera	Mometasone/Formoterol	11	suppressed
Humalog Kwikpen U-100	Insulin Lispro	11	suppressed
Humulin R	Insulin Regular, Human	11	suppressed
Pregabalin	Pregabalin	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