Quick answers
- Does Mehrdad Mostaan accept Medicare assignment?
- Yes. Medicare's clinician data says Mehrdad Mostaan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Mehrdad Mostaan see?
- In 2024, CMS data shows 107 Original Medicare patients and 1,467 services for Mehrdad Mostaan. This counts Original Medicare only and measures volume, not quality.
- What is Mehrdad Mostaan's NPI number?
- 1477542306. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mehrdad Mostaan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 107 |
|---|---|
| Services billed to Medicare | 1,467 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)863 services
- Insertion of needle into vein for collection of blood sample (36415)105 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)90 services
- Nuclear medicine studies of heart muscle at rest and with stress and spect (78452)73 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician (93015)73 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Diabetes75%
- Stroke or mini-stroke75%
- Ischemic heart disease58%
- Arthritis34%
Practice locations
Addresses where Mehrdad Mostaan is enrolled with Medicare (CMS data updated October 2, 2026).
- 7525 Greenway Ctr Dr, Suite T3Greenbelt, MD 20770 (301) 983‑8237
Specialties
Other internal medicine doctors in Greenbelt
Clinicians with the same Medicare primary specialty in Greenbelt, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Maryland School Of Medicine |
| Graduation year | 1978 (48 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477542306 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians