Doctor profile · Federal record

Dr. Michael Williams, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Olney, MD

  • NPI 1871577783
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
18101 Prince Philip Dr, Montgomery General Hospital
Olney, MD 208321514
(301) 774-8900
fax (301) 570-8574
Mailing address
1300 Piccard Dr, Ste 202
Rockville, MD 208504303

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
February 4, 2022
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Maryland #H0061316
Medicaid
MD #405143200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871577783. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$133
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ferring Pharmaceuticals Inc. 2 $133.22

By nature of payment

Food and Beverage
$133

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
380
Patients
361
Total drug cost
$3,770
Drug Type Claims Patients Total cost
Ibuprofen Generic 86 83 $652
Prednisone Generic 62 61 $529
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 48 48 $852
Methocarbamol Generic 47 47 $310
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 27 25 $318
Doxycycline Monohydrate Generic 26 26 $330
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 21 21 $178
Ondansetron Odt (Ondansetron) Brand 16 16 $135
Meloxicam Generic 13 11 $78
Cephalexin Generic 12 12 $131

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Williams's medical specialty?
Dr. Michael Williams practices Emergency Medicine Physician in Olney, MD.
Where does Dr. Michael Williams practice?
Dr. Michael Williams practices at 18101 Prince Philip Dr, Olney, MD 208321514. Office phone: 3017748900.
What is Dr. Michael Williams's NPI?
Dr. Michael Williams's National Provider Identifier (NPI) is 1871577783, issued by NPPES.
Does Dr. Michael Williams accept Medicare assignment?
Yes. Dr. Michael Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.