Active NPI
Katherine Williams, PA-C
- Physician Assistant
- New York, NY
National Provider Identifier
1922795699
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- 035816
- Practice address
- 161 Fort Washington Ave FL 11
New York, NY 10032-3729 - Phone
- (212) 305-0114
- NPI assigned
- Apr 21, 2023
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | 035816 | NY | Primary |
| Surgical Physician Assistant | 363AS0400X | 9258 | MA |
Addresses
Primary practice location
161 Fort Washington Ave FL 11
New York, NY 10032-3729
Mailing address
960 Massachusetts Avenue
FL 2
Boston, MA 02118-2690
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 110199336A | Medicaid | MA | |
| 3141060 | Medicaid | NH |
Other names 1
- Katherine Taylor Williams
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MA, NY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2022
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
161 Fort Washington Ave
New York, NY 10032-3729
Phone (212) 305-8559
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 9258 | MA | MD | General Practice Dentistry |
| 035816 | NY | MD | Physician Assistant |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Boston Medical Center Corporation | Current | Accepting new patients |
Locations
960 Massachusetts Ave
Ste 2
Boston, MA 02118
Interoperability endpoints
- kwilliams236330@direct.bmc.masshiway.net
Organizations & group practices 2
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.
-
- Surgery Physician
- New York, NY
- NPI 1508266347
-
- General Acute Care Hospital
- Boston, MA
- NPI 1346218294
Hospital & facility affiliations 8
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Boston, MA
- NPI 1164177028
-
- Community Health Clinic/Center
- South Boston, MA
- NPI 1225228679
Hospital
-
- General Acute Care Hospital
- Boston, MA
- NPI 1346218294
-
- Community Health Clinic/Center
- Roslindale, MA
- NPI 1386718823
Hospital
-
- Community Health Clinic/Center
- Dorchester, MA
- NPI 1780874677
Hospital
-
- Community Health Clinic/Center
- East Boston, MA
- NPI 1861683518
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1682035200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787875200000",
"number": "1922795699",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "960 MASSACHUSETTS AVENUE",
"address_2": "FL 2",
"city": "BOSTON",
"state": "MA",
"postal_code": "021182690"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "161 FORT WASHINGTON AVE FL 11",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100323729",
"telephone_number": "212-305-0114"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIAMS",
"first_name": "KATHERINE",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-04-21",
"last_updated": "2026-08-28",
"certification_date": "2026-08-28",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "NY",
"license": "035816",
"primary": true
},
{
"code": "363AS0400X",
"taxonomy_group": "",
"desc": "Physician Assistant, Surgical",
"state": "MA",
"license": "9258",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "110199336A",
"state": "MA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3141060",
"state": "NH"
}
],
"endpoints": [],
"other_names": [
{
"first_name": "KATHERINE",
"last_name": "WILLIAMS",
"middle_name": "TAYLOR",
"code": "5",
"type": "Other Name"
}
]
}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 Aug 28, 2026; 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.