Quick answers
- Which hospitals does Michelle Ma work at?
- Medicare's official clinician data lists Michelle Ma at 2 hospitals: Johns Hopkins Bayview Medical Center and The Johns Hopkins Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michelle Ma see patients?
- Medicare's clinician data lists 7 practice locations, including Odenton, MD, Lutherville, MD and Baltimore, MD. Call before your visit to confirm the address.
- What is Michelle Ma's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Michelle Ma accept Medicare assignment?
- Medicare's clinician data says Michelle Ma may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Michelle Ma offer telehealth?
- Medicare's clinician data says Michelle Ma offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michelle Ma?
- (410) 874-1520, as listed in official Medicare / NPI Registry data.
- What is Michelle Ma's NPI number?
- 1457796153. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michelle Ma works
Medicare's Facility Affiliation Data lists Michelle Ma at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Johns Hopkins Bayview Medical CenterBaltimore, MD · Acute Care Hospital · CCN 210029
- The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · CCN 210009
Practice locations
Addresses where Michelle Ma is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1106 Annapolis Rd, Suite 310Odenton, MD 21113 (410) 874‑1520
- 2360 W Joppa Rd, Joppa ConcourseLutherville, MD 21093
- 4940 Eastern AveBaltimore, MD 21224
- 4940 Eastern Ave, Bayview Medical CenterBaltimore, MD 21224 (410) 550‑0100
- 5601 Lloch Raven BlvdBaltimore, MD 21239 (443) 444‑4714
Group practices
Medicare enrollment lists Michelle Ma as a member of these groups (CMS data updated 2026-10-02).
- Johns Hopkins University2,909 clinicians in the group
- Johns Hopkins University713 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457796153 |
| 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