Quick answers
- Which hospitals does Michael C. Slack work at?
- Medicare's official clinician data lists Michael C. Slack at 2 hospitals: MedStar Washington Hospital Center and University of Maryland Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael C. Slack see patients?
- Medicare's clinician data lists 2 practice locations, including Washington, DC and Baltimore, MD. Call before your visit to confirm the address.
- What is Michael C. Slack's specialty?
- Medicare lists Pediatric Medicine as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Michael C. Slack accept Medicare assignment?
- Yes. Medicare's clinician data says Michael C. Slack 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 Michael C. Slack?
- (202) 877-7000, as listed in official Medicare / NPI Registry data.
- What is Michael C. Slack's NPI number?
- 1588758940. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael C. Slack works
Medicare's Facility Affiliation Data lists Michael C. Slack at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
- University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210002
Practice locations
Addresses where Michael C. Slack is enrolled with Medicare (CMS data updated 2026-10-02).
- 110 Irving St NWWashington, DC 20010 (202) 877‑7000
- 22 S Green StBaltimore, MD 21201 (410) 706‑5181
Group practices
Medicare enrollment lists Michael C. Slack as a member of these groups (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
- MedStar Heart Institute LLC301 clinicians in the group
- University of Maryland Pediatric Associates, PA55 clinicians in the group
Specialties
Find other Pediatric Medicine doctors in District of Columbia →
Other pediatricians in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Uniformed Services Uhs Fe Hebert School Of Med |
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1588758940 |
| 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