Quick answers
- Which hospitals does John P. Hakim work at?
- Medicare's official clinician data lists John P. Hakim at 2 hospitals: Calverthealth Medical Center and MedStar Southern Maryland Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John P. Hakim see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC and Clinton, MD. Call before your visit to confirm the address.
- What is John P. Hakim's specialty?
- Medicare lists Cardiovascular Disease (Cardiology) as the primary specialty, and also Internal Medicine and Nuclear Medicine.
- Does John P. Hakim accept Medicare assignment?
- Yes. Medicare's clinician data says John P. Hakim 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.
- Does John P. Hakim offer telehealth?
- Medicare's clinician data says John P. Hakim offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John P. Hakim?
- (202) 399-4505, as listed in official Medicare / NPI Registry data.
- What is John P. Hakim's NPI number?
- 1730137688. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John P. Hakim works
Medicare's Facility Affiliation Data lists John P. Hakim 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
- MedStar Southern Maryland Hospital CenterClinton, MD · Acute Care Hospital · CCN 210062
Practice locations
Addresses where John P. Hakim is enrolled with Medicare (CMS data updated 2026-10-02).
- 5000 Nannie Helen Burroughs Ave NEWashington, DC 20019 (202) 399‑4505
- 7700 Old Branch AveClinton, MD 20735 (301) 856‑5444
Group practices
Medicare enrollment lists John P. Hakim as a member of this group (CMS data updated 2026-10-02).
- M Management Group LLC24 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in District of Columbia →
Other cardiologists in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1730137688 |
| 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