Quick answers
- Which hospitals does Mark Manguerra work at?
- Medicare's official clinician data lists Mark Manguerra at 2 hospitals: MedStar Saint Mary's Hospital and MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Manguerra see patients?
- Medicare's clinician data lists 4 practice locations, including Hollywood, MD, Leonardtown, MD and Charlotte Hall, MD. Call before your visit to confirm the address.
- What is Mark Manguerra's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
- Does Mark Manguerra accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Manguerra 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 Mark Manguerra?
- (301) 373-7900, as listed in official Medicare / NPI Registry data.
- What is Mark Manguerra's NPI number?
- 1598012759. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Manguerra works
Medicare's Facility Affiliation Data lists Mark Manguerra at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Saint Mary's HospitalLeonardtown, MD · Acute Care Hospital · CCN 210028
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
Practice locations
Addresses where Mark Manguerra is enrolled with Medicare (CMS data updated 2026-10-02).
- 24035 Three Notch RdHollywood, MD 20636 (301) 373‑7900
- 25500 Point Lookout RdLeonardtown, MD 20650 (240) 434‑4088
- 29955 Three Notch Rd, 100 Mmg at Charlotte HallCharlotte Hall, MD 20622 (301) 290‑5300
- PO Box, Suite 640Hollywood, MD 20636
Group practices
Medicare enrollment lists Mark Manguerra as a member of these groups (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
- MedStar Medical Group - Southern Maryland LLC245 clinicians in the group
Specialties
- Internal Medicineprimary
- Infectious Diseasealso
Other internal medicine doctors in Hollywood
Clinicians with the same Medicare primary specialty in Hollywood, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598012759 |
| 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