Doctor profile · Federal record

Dr. Mehmet Sayiner, M.D.

Internal Medicine Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Cumberland, MD

  • NPI 1003265422
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
12500 Willowbrook RD
Cumberland, MD 215026393
(240) 964-7000
Additional location
3300 Gallows RD, Inova Fairfax Medical Campus, Dept. of Medicine, Npt-2
Falls Church, VA 220423307
(703) 776-7780
Mailing address
10966 Thompsons Creek Cir
Fairfax Station, VA 220391061

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
November 11, 2020
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Maryland #D86926 · Virginia #0116028975

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003265422. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,216
Distinct HCPCS
5
Medicare allowed
$136,265
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 422 188 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 394 184 $119
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 198 191 $172
99239 Hospital discharge day management, more than 30 minutes 181 176 $115
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 21 11 $50

In context: peer comparison

Among 8 peers in this city , average services per provider: 171. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
15
Patients
15
Total drug cost
$152
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 15 15 $152

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mehmet Sayiner's medical specialty?
Dr. Mehmet Sayiner practices Internal Medicine Physician in Cumberland, MD.
Where does Dr. Mehmet Sayiner practice?
Dr. Mehmet Sayiner practices at 12500 Willowbrook RD, Cumberland, MD 215026393. Office phone: 2409647000.
What is Dr. Mehmet Sayiner's NPI?
Dr. Mehmet Sayiner's National Provider Identifier (NPI) is 1003265422, issued by NPPES.
Does Dr. Mehmet Sayiner accept Medicare assignment?
Yes. Dr. Mehmet Sayiner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mehmet Sayiner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.