Quick answers
- Where does Martha C. Harrison see patients?
- Medicare's clinician data lists 2 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Martha C. Harrison's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Martha C. Harrison accept Medicare assignment?
- Yes. Medicare's clinician data says Martha C. Harrison 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 Martha C. Harrison?
- (212) 241-2232, as listed in official Medicare / NPI Registry data.
- What is Martha C. Harrison's NPI number?
- 1598261729. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Martha C. Harrison is enrolled with Medicare (CMS data updated 2026-10-02).
- 5 E 98th St 2nd Fl, Ob/gyn Dept of Mount SinaiNew York, NY 10029 (212) 241‑2232
- 5 E 98th St-14th Flr, Ob/gyn DepartmentNew York, NY 10029 (212) 241‑2232
Group practices
Medicare enrollment lists Martha C. Harrison as a member of this group (CMS data updated 2026-10-02).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598261729 |
| 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
- 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