Quick answers
- Which hospitals does Tina Ha-Johnson work at?
- Medicare's official clinician data lists Tina Ha-Johnson at 1 hospital: Mercy Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tina Ha-Johnson see patients?
- Medicare's clinician data lists 2 practice locations, including Baltimore, MD and Parkville, MD. Call before your visit to confirm the address.
- What is Tina Ha-Johnson's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Tina Ha-Johnson accept Medicare assignment?
- Yes. Medicare's clinician data says Tina Ha-Johnson 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 Tina Ha-Johnson?
- (410) 659-2800, as listed in official Medicare / NPI Registry data.
- What is Tina Ha-Johnson's NPI number?
- 1881408656. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tina Ha-Johnson works
Medicare's Facility Affiliation Data lists Tina Ha-Johnson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Medical Center IncBaltimore, MD · Acute Care Hospital · CCN 210008
Practice locations
Addresses where Tina Ha-Johnson is enrolled with Medicare (CMS data updated 2026-10-02).
- 301 Saint Paul StBaltimore, MD 21202 (410) 659‑2800
- 8901 Clement AveParkville, MD 21234 (443) 589‑7521
Group practices
Medicare enrollment lists Tina Ha-Johnson as a member of these groups (CMS data updated 2026-10-02).
- St Paul Place Specialists, Inc.336 clinicians in the group
- Alliance Specialty Partners LLC7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881408656 |
| 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