Ajit Singh Thakur, MD
Internal Medicine Physician · Detroit, MI
Ajit Singh Thakur, MD is an internal medicine physician with a practice address in Detroit, Michigan, and NPI 1487009551, issued on Apr 26, 2016. Check the license on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Ajit Singh Thakur
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD2018-0915 NM
Self-reported in NPPES; status is on the state search - Practice location
- 4201 St. Antoine St, Detroit, MI 48201
- Phone
- (313) 993-0034
- Enumerated
- Apr 26, 2016
- Record last updated
- Dec 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (313) 966-0880
- Medicare enrollment
- Enrolled (PECOS I20191004001743); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 4201 St. Antoine St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ajit Singh Thakur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
611 Medicare Part D claims for 162 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Amlodipine Besylate32 claims
- Pantoprazole Sodium28 claims
- Gabapentin27 claims
- Potassium Chloride23 claims
- Amoxicillin-Clavulanate Potass22 claims
- Lisinopril22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $17.35
1 payment: food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hospitalist Medicine Physicians OF Texas PLLCRio Rancho, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ajit Singh Thakur among 5,735 internal medicine physician records in Michigan
Ajit Singh Thakur, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 69% of them.
- NPI issued2016 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2006 among the 3,564 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
617 internal medicine physician records list a practice address in Detroit
They are 617 of the 19,832 NPPES records with a practice address in Detroit, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Detroit → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Radha Paruchuri, MDDetroit, MI 482011013985480
- Neeraja Ramachandra, M.D.Detroit, MI 482011841252822
Common questions
What is Ajit Singh Thakur, MD's NPI number?
Ajit Singh Thakur, MD's National Provider Identifier (NPI) is 1487009551, issued on Apr 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ajit Singh Thakur, MD located?
The NPPES record lists a practice address at 4201 St. Antoine St, Detroit, MI, 48201. Phone: (313) 993-0034. Providers update this record themselves, so call before visiting.
How can I verify Ajit Singh Thakur, MD's license?
Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ajit Singh Thakur, MD prescribe under Medicare Part D?
In 2024, Ajit Singh Thakur, MD had 611 Medicare Part D claims for 162 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.