Mehmet Sayiner, M.D.
NPI 1003265422 · Internal Medicine Physician · Cumberland, MD
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mehmet Sayiner, M.D. is a Internal Medicine Physician provider in Cumberland, MD (NPI 1003265422).
Provider details
- NPI number
- 1003265422
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0116028975 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,185 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 494 | $122 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 327 | $82 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 171 | $119 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 120 | $178 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 73 | $53 |
Typical Medicare-allowed amounts for these services range $53–$178 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 3300 Gallows RdInova Fairfax Medical Campus, Dept. of Medicine, Npt-2Falls Church, VA 22042-3307Phone: (703) 776-7780
Registry dates
- Enumerated
- 2016-06-07
- Last updated
- 2020-11-11
- Certified
- 2020-11-11
Frequently asked questions
- What is Mehmet Sayiner's NPI number?
- Mehmet Sayiner's National Provider Identifier (NPI) is 1003265422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mehmet Sayiner's specialty?
- Mehmet Sayiner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mehmet Sayiner located?
- Mehmet Sayiner's practice location on file with NPPES is 12500 Willowbrook Rd, Cumberland, MD 21502-6393.
- What is Mehmet Sayiner's phone number?
- The practice phone number listed in the NPPES registry for Mehmet Sayiner is (240) 964-7000.
- Does Mehmet Sayiner accept Medicare?
- Mehmet Sayiner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mehmet Sayiner's NPI active?
- Yes — Mehmet Sayiner's NPI (1003265422) is active in the NPPES registry as of the last update on 2020-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.