Active NPI
Katya Ostrow, M.D.
- Obstetrics & Gynecology Physician
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- 304668
- Practice address
- 215 E 95TH St FRNT 1
New York, NY 10128-4077 - Phone
- (212) 996-8000
- Fax
- (212) 423-3904
- NPI assigned
- Jun 20, 2016
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 304668 | NY | Primary |
Addresses
Primary practice location
215 E 95TH St FRNT 1
New York, NY 10128-4077
Mailing address
55 Water St FL 2
New York, NY 10041-0010
Phone (646) 680-2888
Other practice location 1
21 E 22nd St Frnt 1
New York, NY 10010-5332
Phone (212) 460-7800
Other practice location 2
215 W 125th St Fl 2
New York, NY 10027-4426
Phone (212) 491-2400
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Obstetrics/Gynecology
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
21 E 22ND St
New York, NY 10010-5332
Phone (212) 460-7800
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 304668 | NY | MD | Licensed Practical Nurse |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Advantagecare Physicians PC | Current | Accepting new patients | |
| Rosh Maternal Fetal Medicine PLLC | Obstetrics & Gynecology | Current | Accepting new patients |
| Advantagecare Physicians PC | Current | Accepting new patients |
Locations
233 Nostrand Ave
Brooklyn, NY 11205
Phone (646) 680-1595
21 E 22nd St
New York, NY 10010
Phone (212) 460-7800
21 E 22nd St
Frnt 1
New York, NY 10010
Phone (212) 460-7800
215 W 125th St
Fl 2
New York, NY 10027
Phone (212) 491-2400
215 E 95th St
Frnt 1
New York, NY 10128
Phone (212) 996-8000
903 Lexington Ave
Frnt 1A
New York, NY 10065
55 Water St
Fl 2
New York, NY 10041
215 W 125th St
New York, NY 10027
Phone (212) 491-2400
110 E 40th St
New York, NY 10016
Phone (212) 434-4050
213 Madison Ave
Ste 1A
New York, NY 10016
215 E 95th St
New York, NY 10128
Phone (212) 423-3111
Networks
- Healthfirst Medicare Network H1722
- Healthfirst Medicare Network H9678
- Healthfirst Medicare Network H3359
- Healthfirst Medicare Network H5989
Interoperability endpoints
- https://api.platform.athenahealth.com/21664/brand/1/csg/1/fhir/r4
- kostrow67350@northwell.direct-ci.com
- https://epwebapps.acpny.com/FHIRproxy/ACPNY/api/FHIR/R4
- kostrow370431@nyumc.direct-ci.com
- kostrow51619@direct.acpny.com
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- General Practice Physician
- New York, NY
- NPI 1336578772
-
- Obstetrics & Gynecology Physician
- New York, NY
- NPI 1669708582
-
- Internal Medicine Physician
- Staten Island, NY
- NPI 1063954113
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- New York, NY
- NPI 1477616571
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1466380800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1759363200000",
"number": "1871943977",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "55 WATER ST FL 2",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100410010",
"telephone_number": "646-680-2888",
"fax_number": "516-542-5556"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "215 E 95TH ST FRNT 1",
"city": "NEW YORK",
"state": "NY",
"postal_code": "101284077",
"telephone_number": "212-996-8000",
"fax_number": "212-423-3904"
}
],
"practiceLocations": [
{
"address_1": "21 E 22nd St Frnt 1",
"address_purpose": "LOCATION",
"city": "New York",
"state": "NY",
"postal_code": "100105332",
"country_code": "US",
"telephone_number": "212-460-7800",
"fax_number": "212-460-7877",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "215 W 125th St Fl 2",
"address_purpose": "LOCATION",
"city": "New York",
"state": "NY",
"postal_code": "100274426",
"country_code": "US",
"telephone_number": "212-491-2400",
"fax_number": "212-491-2401",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "OSTROW",
"first_name": "KATYA",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2016-06-20",
"last_updated": "2025-10-02",
"certification_date": "2025-10-02",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "NY",
"license": "304668",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.