Healthcare provider profile · identity verified

Carl Jacob Baker, MD

Family Practice · HASTINGS, MI · NPI 1609366491

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	607	169
Omeprazole	Omeprazole	497	118
Levothyroxine Sodium	Levothyroxine Sodium	436	113
Lisinopril	Lisinopril	346	102
Metoprolol Succinate	Metoprolol Succinate	302	81
Amlodipine Besylate	Amlodipine Besylate	271	86
Losartan Potassium	Losartan Potassium	263	73
Furosemide	Furosemide	191	63
Albuterol Sulfate Hfa	Albuterol Sulfate	183	60
Alprazolam	Alprazolam	167	35
Eliquis	Apixaban	164	33
Gabapentin	Gabapentin	161	61
Metformin Hcl Er	Metformin Hcl	159	50
Tamsulosin Hcl	Tamsulosin Hcl	150	49
Metformin Hcl	Metformin Hcl	149	46
Rosuvastatin Calcium	Rosuvastatin Calcium	147	39
Citalopram Hbr	Citalopram Hydrobromide	128	32
Hydrochlorothiazide	Hydrochlorothiazide	125	41
Trazodone Hcl	Trazodone Hcl	118	36
Sertraline Hcl	Sertraline Hcl	111	31
Clopidogrel	Clopidogrel Bisulfate	108	32
Montelukast Sodium	Montelukast Sodium	104	28
Olmesartan Medoxomil	Olmesartan Medoxomil	103	36
Lantus Solostar	Insulin Glargine,hum.Rec.Anlog	102	28
Pantoprazole Sodium	Pantoprazole Sodium	98	30
Cyclobenzaprine Hcl	Cyclobenzaprine Hcl	93	30
Carvedilol	Carvedilol	89	30
Trulicity	Dulaglutide	86	23
Trelegy Ellipta	Fluticasone/Umeclidin/Vilanter	83	14
Fluticasone Propionate	Fluticasone Propionate	81	33
Tizanidine Hcl	Tizanidine Hcl	80	27
Simvastatin	Simvastatin	77	27
Glipizide Er	Glipizide	74	27
Ropinirole Hcl	Ropinirole Hcl	74	16
Escitalopram Oxalate	Escitalopram Oxalate	69	19
Famotidine	Famotidine	68	20
Potassium Chloride	Potassium Chloride	68	23
Alendronate Sodium	Alendronate Sodium	66	25
Duloxetine Hcl	Duloxetine Hcl	66	20
Hydrocodone-Acetaminophen	Hydrocodone/Acetaminophen	65	18
Xarelto	Rivaroxaban	62	12
Farxiga	Dapagliflozin Propanediol	61	15
Oxybutynin Chloride Er	Oxybutynin Chloride	58	14
Venlafaxine Hcl Er	Venlafaxine Hcl	57	16
Allopurinol	Allopurinol	54	15
Jardiance	Empagliflozin	54	11
Lisinopril-Hydrochlorothiazide	Lisinopril/Hydrochlorothiazide	54	19
Metoprolol Tartrate	Metoprolol Tartrate	54	16
Pravastatin Sodium	Pravastatin Sodium	52	14
Clonazepam	Clonazepam	51	suppressed
Meloxicam	Meloxicam	50	18
Spironolactone	Spironolactone	48	18
Atenolol	Atenolol	44	13
Lorazepam	Lorazepam	44	suppressed
Ozempic	Semaglutide	42	14
Tramadol Hcl	Tramadol Hcl	42	12
Buspirone Hcl	Buspirone Hcl	39	suppressed
Fluoxetine Hcl	Fluoxetine Hcl	38	suppressed
Prednisone	Prednisone	38	29
Quetiapine Fumarate	Quetiapine Fumarate	38	suppressed
Ventolin Hfa	Albuterol Sulfate	38	12
Bupropion Xl	Bupropion Hcl	37	11
Oxycodone Hcl	Oxycodone Hcl	37	suppressed
Clonidine Hcl	Clonidine Hcl	36	suppressed
Topiramate	Topiramate	35	suppressed
Finasteride	Finasteride	31	suppressed
Pramipexole Dihydrochloride	Pramipexole Di-Hcl	31	suppressed
Triamcinolone Acetonide	Triamcinolone Acetonide	31	19
Triamterene-Hydrochlorothiazid	Triamterene/Hydrochlorothiazid	31	suppressed
Glimepiride	Glimepiride	30	suppressed
Ibuprofen	Ibuprofen	30	14
Aripiprazole	Aripiprazole	29	suppressed
Fluticasone-Salmeterol	Fluticasone Propion/Salmeterol	29	11
Hydroxyzine Hcl	Hydroxyzine Hcl	29	12
Amitriptyline Hcl	Amitriptyline Hcl	28	suppressed
Chlorthalidone	Chlorthalidone	27	11
Lansoprazole	Lansoprazole	27	suppressed
Pioglitazone Hcl	Pioglitazone Hcl	27	11
Losartan-Hydrochlorothiazide	Losartan/Hydrochlorothiazide	25	suppressed
Pregabalin	Pregabalin	25	suppressed
Estradiol	Estradiol	24	suppressed
Ezetimibe	Ezetimibe	24	suppressed
Levetiracetam	Levetiracetam	24	suppressed
Lovastatin	Lovastatin	24	suppressed
Diltiazem 24hr Er (Cd)	Diltiazem Hcl	23	suppressed
Hydralazine Hcl	Hydralazine Hcl	23	suppressed
Myrbetriq	Mirabegron	23	suppressed
Nystatin	Nystatin	22	13
Ondansetron Hcl	Ondansetron Hcl	22	suppressed
Dicyclomine Hcl	Dicyclomine Hcl	21	suppressed
Valacyclovir	Valacyclovir Hcl	21	11
Januvia	Sitagliptin Phosphate	20	suppressed
Morphine Sulfate Er	Morphine Sulfate	20	suppressed
Sildenafil Citrate	Sildenafil Citrate	20	suppressed
Nifedipine Er	Nifedipine	19	suppressed
Prazosin Hcl	Prazosin Hcl	19	suppressed
Sumatriptan Succinate	Sumatriptan Succinate	19	suppressed
Celecoxib	Celecoxib	18	suppressed
Diclofenac Sodium	Diclofenac Sodium	18	suppressed
Divalproex Sodium	Divalproex Sodium	18	suppressed
Donepezil Hcl	Donepezil Hcl	18	suppressed
Fentanyl	Fentanyl	18	suppressed
Mirtazapine	Mirtazapine	18	11
Acetaminophen-Codeine	Acetaminophen With Codeine	17	suppressed
Diazepam	Diazepam	17	suppressed
Dutasteride	Dutasteride	17	suppressed
Isosorbide Mononitrate Er	Isosorbide Mononitrate	17	suppressed
Methocarbamol	Methocarbamol	17	suppressed
Promethazine Hcl	Promethazine Hcl	17	suppressed
Symbicort	Budesonide/Formoterol Fumarate	17	suppressed
Ondansetron Odt	Ondansetron	16	11
Terazosin Hcl	Terazosin Hcl	16	suppressed
Zolpidem Tartrate	Zolpidem Tartrate	16	suppressed
Combivent Respimat	Ipratropium/Albuterol Sulfate	15	suppressed
Gemfibrozil	Gemfibrozil	15	suppressed
Ultra-Fine Mini Pen Needle	Pen Needle, Diabetic	15	suppressed
Baclofen	Baclofen	14	suppressed
Budesonide-Formoterol Fumarate	Budesonide/Formoterol Fumarate	14	suppressed
Doxazosin Mesylate	Doxazosin Mesylate	14	suppressed
Glipizide	Glipizide	14	suppressed
Incruse Ellipta	Umeclidinium Bromide	14	suppressed
Invokana	Canagliflozin	14	suppressed
Mounjaro	Tirzepatide	14	suppressed
Paroxetine Hcl	Paroxetine Hcl	14	suppressed
Methotrexate	Methotrexate Sodium	13	suppressed
Advair Hfa	Fluticasone Propion/Salmeterol	12	suppressed
Dextroamphetamine-Amphetamine	Dextroamphetamine/Amphetamine	12	suppressed
Enalapril Maleate	Enalapril Maleate	12	suppressed
Naproxen	Naproxen	12	suppressed
Ramipril	Ramipril	12	suppressed
Wixela Inhub	Fluticasone Propion/Salmeterol	12	suppressed
Colchicine	Colchicine	11	suppressed
Doxepin Hcl	Doxepin Hcl	11	suppressed
Lamotrigine	Lamotrigine	11	suppressed
Meclizine Hcl	Meclizine Hcl	11	suppressed
Synthroid	Levothyroxine Sodium	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