Quick answers
- Does Shahin Oveisi accept Medicare assignment?
- Yes. Medicare's clinician data says Shahin Oveisi 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 Shahin Oveisi see?
- In 2024, CMS data shows 74 Original Medicare patients and 90 services for Shahin Oveisi. This counts Original Medicare only and measures volume, not quality.
- What is Shahin Oveisi's NPI number?
- 1649397787. 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 Shahin Oveisi, 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 | 74 |
|---|---|
| Services billed to Medicare | 90 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)39 services
- Critical care, first 30-74 minutes (99291)28 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)13 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%
- Heart failure66%
- Chronic kidney disease62%
- Stroke or mini-stroke55%
Hospitals where Shahin Oveisi works
Medicare's Facility Affiliation Data lists Shahin Oveisi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210016
- George Washington University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 090001
- Holy Cross HospitalSilver Spring, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 210004
- Luminis Health Anne Arundel Medical Center, IncAnnapolis, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210023
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090011
Practice locations
Addresses where Shahin Oveisi is enrolled with Medicare (CMS data updated October 2, 2026).
- 22 S Athol Ave, Futurecare IrvingtonBaltimore, MD 21229 (410) 947‑3052
- 223 7th St NEWashington, DC 20002 (202) 546‑5700
- 610 Dutchmans LnEaston, MD 21601 (410) 822‑4000
- 9106 Pine View LnClinton, MD 20735 (301) 865‑2930
Group practices
Medicare enrollment lists Shahin Oveisi as a member of this group (CMS data updated October 2, 2026).
- M Medical Group Inc106 clinicians in the group
Specialties
- Hospitalistprimary
- Family Practicealso
Other hospitalists in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Other clinicians in M Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649397787 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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