Quick answers
- Where does Karen Duncan see patients?
- Medicare's clinician data lists 7 practice locations, including New York, NY. Call before your visit to confirm the address.
- What is Karen Duncan's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Karen Duncan accept Medicare assignment?
- Yes. Medicare's clinician data says Karen Duncan 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 Karen Duncan?
- (212) 263-9700, as listed in official Medicare / NPI Registry data.
- What is Karen Duncan's NPI number?
- 1356577977. 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 Karen Duncan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 159 E 53rd StNew York, NY 10022 (646) 754‑3300
- 355 W 52nd StNew York, NY 10019 (646) 778‑5555
- 355 W 52nd St, Fl 7lNew York, NY 10019 (212) 598‑6697
- 530 1st AveNew York, NY 10016 (212) 263‑7300
Group practices
Medicare enrollment lists Karen Duncan as a member of this group (CMS data updated 2026-10-02).
- New York University6,134 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 | University Of South Florida College Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356577977 |
| 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