Quick answers
- Which hospitals does Ashar Mahmood work at?
- Medicare's official clinician data lists Ashar Mahmood at 3 hospitals: Calverthealth Medical Center, UPMC Hanover and UPMC Pinnacle Hospitals. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ashar Mahmood see patients?
- Medicare's clinician data lists 3 practice locations, including Prince Frederick, MD, Hanover, PA and Bel Air, MD. Call before your visit to confirm the address.
- What is Ashar Mahmood's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Ashar Mahmood accept Medicare assignment?
- Yes. Medicare's clinician data says Ashar Mahmood accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Ashar Mahmood?
- (410) 535-4000, as listed in official Medicare / NPI Registry data.
- What is Ashar Mahmood's NPI number?
- 1528527413. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ashar Mahmood works
Medicare's Facility Affiliation Data lists Ashar Mahmood at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Calverthealth Medical CenterPrince Frederick, MD · Acute Care Hospital · CCN 210039
- UPMC HanoverHanover, PA · Acute Care Hospital · CCN 390233
- UPMC Pinnacle HospitalsHarrisburg, PA · Acute Care Hospital · CCN 390067
Practice locations
Addresses where Ashar Mahmood is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Hospital RdPrince Frederick, MD 20678 (410) 535‑4000
- 300 Highland AveHanover, PA 17331 (717) 316‑3711
- 500 Upper Chesapeake DrBel Air, MD 21014 (443) 643‑1000
Group practices
Medicare enrollment lists Ashar Mahmood as a member of these groups (CMS data updated 2026-10-02).
- Pinnacle Health Hospitalist Services LLC177 clinicians in the group
- Adfinitas Health at Upper Chesapeake LLC78 clinicians in the group
- Mdics at Calvert LLC25 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Prince Frederick
Clinicians with the same Medicare primary specialty in Prince Frederick, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528527413 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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