Quick answers
- Which hospitals does Calvin Parker work at?
- Medicare's official clinician data lists Calvin Parker at 3 hospitals: Carroll Hospital Center, Northwest Hospital Center and Sinai Hospital of Baltimore. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Calvin Parker see patients?
- Medicare's clinician data lists 3 practice locations, including Baltimore, MD, Ellicott City, MD and Glen Burnie, MD. Call before your visit to confirm the address.
- What is Calvin Parker's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Calvin Parker accept Medicare assignment?
- Medicare's clinician data says Calvin Parker may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Calvin Parker?
- (410) 601-5539, as listed in official Medicare / NPI Registry data.
- What is Calvin Parker's NPI number?
- 1073654976. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Calvin Parker works
Medicare's Facility Affiliation Data lists Calvin Parker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carroll Hospital CenterWestminster, MD · Acute Care Hospital · CCN 210033
- Northwest Hospital CenterRandallstown, MD · Acute Care Hospital · CCN 210040
- Sinai Hospital of BaltimoreBaltimore, MD · Acute Care Hospital · CCN 210012
Practice locations
Addresses where Calvin Parker is enrolled with Medicare (CMS data updated 2026-10-02).
- 2401 E Belvedere AveBaltimore, MD 21215 (410) 601‑5539
- 4801 Dorsey Hall Dr, Suite 220Ellicott City, MD 21042 (410) 367‑9600
- 802 Landmark Dr, Suite 129Glen Burnie, MD 21061 (410) 863‑4899
Group practices
Medicare enrollment lists Calvin Parker as a member of these groups (CMS data updated 2026-10-02).
- Sinai Hospital of Baltimore, Inc380 clinicians in the group
- Lifebridge Community Gastroenterology LLC54 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Howard University College Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1073654976 |
| 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