Doctor profile · Federal record

Dr. Amitosh Singh

Internal Medicine Physician (CMS: Hospitalist) · Gaithersburg, MD

  • NPI 1831779677
  • Accepts Medicare
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
655 Watkins Mill RD Fl 5
Gaithersburg, MD 208793301
(240) 632-4021
Mailing address
655 Watkins Mill RD
Gaithersburg, MD 208793301

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Profile last updated
May 1, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D097747

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831779677. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 1 $20.23

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
245
Patients
42
Total drug cost
$2,958
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 73 30 $1,031
Losartan Potassium Generic 31 12 $330
Amlodipine Besylate Generic 26 0 $273
Lisinopril Generic 24 0 $240
Metformin Hcl Generic 22 0 $251
Alendronate Sodium Generic 19 0 $196
Tamsulosin Hcl Generic 16 0 $289
Hydrochlorothiazide Generic 12 0 $122
Furosemide Generic 11 0 $125
Rosuvastatin Calcium Generic 11 0 $102

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Amitosh Singh's medical specialty?
Dr. Amitosh Singh practices Internal Medicine Physician in Gaithersburg, MD.
Where does Dr. Amitosh Singh practice?
Dr. Amitosh Singh practices at 655 Watkins Mill RD Fl 5, Gaithersburg, MD 208793301. Office phone: 2406324021.
What is Dr. Amitosh Singh's NPI?
Dr. Amitosh Singh's National Provider Identifier (NPI) is 1831779677, issued by NPPES.
Does Dr. Amitosh Singh accept Medicare assignment?
Yes. Dr. Amitosh Singh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.