NPPES file of Aug 9, 2026

Amitosh Singh

Internal Medicine Physician · Gaithersburg, MD

Amitosh Singh is an internal medicine physician with a practice address in Gaithersburg, Maryland, and NPI 1831779677, issued on Apr 14, 2021. Check the license (Maryland D097747, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831779677
Name
Amitosh Singh
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D097747 MD
Self-reported in NPPES; status is on the state search
Practice location
655 Watkins Mill RD FL 5, Gaithersburg, MD 20879
Phone
(240) 632-4021
Enumerated
Apr 14, 2021
Record last updated
May 1, 2024
Medicare enrollment
Enrolled (PECOS I20210714001677); accepts Medicare assignment
Medical or professional school
Wayne State University School Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Amitosh Singh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D097747
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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87% fewer Medicare Part D claims than the average internal medicine physician in 2024

412 Medicare Part D claims for 122 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Amitosh Singh412
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium47 claims
  2. Losartan Potassium23 claims
  3. Amlodipine Besylate21 claims
  4. Tamsulosin Hcl19 claims
  5. Furosemide16 claims
  6. Eliquis11 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: $20.23

1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). 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.

  1. Amitosh Singh$20.23
  2. Specialty average$1,303.06

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

  1. Johns Hopkins Community Physicians, IncLaurel, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Amitosh Singh among 3,904 internal medicine physician records in Maryland

Amitosh 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 updated2024 · 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).

67 internal medicine physician records list a practice address in Gaithersburg

They are 67 of the 2,580 NPPES records with a practice address in Gaithersburg, and 3,904 internal medicine physician records in Maryland.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Julie Chen, M.D.Gaithersburg, MD 208791629048467
  2. Jose De Leon Carpio, MDGaithersburg, MD 208791275682320
  3. Lingling Gao, D.O.Gaithersburg, MD 208791285959932
  4. Jean Hou, MDGaithersburg, MD 208791750442273
  5. Shailini Jain, MDGaithersburg, MD 208791588711022
  6. Supriya Janakiraman, M.D., M.P.H.Gaithersburg, MD 208791114361672
  7. Poonam Maru, DO, FACPGaithersburg, MD 208791780974329
  8. Joseph McClain, M.D.Gaithersburg, MD 208791194968297

Common questions

What is Amitosh Singh's NPI number?

Amitosh Singh's National Provider Identifier (NPI) is 1831779677, issued on Apr 14, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Amitosh Singh located?

The NPPES record lists a practice address at 655 Watkins Mill RD FL 5, Gaithersburg, MD, 20879. Phone: (240) 632-4021. Providers update this record themselves, so call before visiting.

How can I verify Amitosh Singh's license?

NPPES lists Maryland license number D097747, 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 Amitosh Singh prescribe under Medicare Part D?

In 2024, Amitosh Singh had 412 Medicare Part D claims for 122 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.