Ajit Singh
Internal Medicine Physician · Baltimore, MD
Ajit Singh is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1205413887, issued on Mar 28, 2021. Check the license (Maryland D0104074, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Ajit Singh
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D0104074 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Orleans St, Baltimore, MD 21287
- Phone
- (410) 955-5000
- Enumerated
- Mar 28, 2021
- Record last updated
- Jun 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20250618003412); may accept Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 1800 Orleans St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Luis Acosta, MDStudent in an Organized Health Care Education/Training Program1922859537
- Nihmotallahi Adebayo, MDStudent in an Organized Health Care Education/Training Program1033058334
Verify Ajit Singh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0104074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
176 Medicare Part D claims for 56 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate21 claims
- Atorvastatin Calcium20 claims
- Fluticasone Propionate14 claims
- Eliquis12 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: $29.49
1 payment: food and beverage; the largest payer was La Jolla Pharmaceutical Company. 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 3 group practices
- Clinical Care Associates OF The University OF Pennsylvania Health.Philadelphia, PA
- Johns Hopkins UniversityBaltimore, MD
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ajit Singh among 3,904 internal medicine physician records in Maryland
Ajit Singh is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2003 among the 2,445 with a school on file
- Record last updated2025 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Eric Bass, M.D.Baltimore, MD 212871346205416
- Christie Basseth, M.D.Baltimore, MD 212871972568426
- Mary Catherine Beach, M.D.Baltimore, MD 212871598720922
- Valeriani Bead, M.D.Baltimore, MD 212871396700720
- Gail Berkenblit, M.D.Baltimore, MD 212871841256781
Common questions
What is Ajit Singh's NPI number?
Ajit Singh's National Provider Identifier (NPI) is 1205413887, issued on Mar 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ajit Singh located?
The NPPES record lists a practice address at 1800 Orleans St, Baltimore, MD, 21287. Phone: (410) 955-5000. Providers update this record themselves, so call before visiting.
How can I verify Ajit Singh's license?
NPPES lists Maryland license number D0104074, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ajit Singh prescribe under Medicare Part D?
In 2024, Ajit Singh had 176 Medicare Part D claims for 56 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.