KATHRYN FAY (MD) – Obstetrics & Gynecology Physician, NPI 1033509740
Obstetrics & Gynecology Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
4,008 OBSTETRICS/GYNECOLOGY in CA
Provider Addresses for KATHRYN FAY (MD)
2356 SUTTER ST
SAN FRANCISCO, CA 941153006
Phone: (415) 353-3400
Type: Location
30 N 1900 E RM 2A200
SALT LAKE CITY, UT 841322209
Phone: (801) 581-7647
Type: Mailing
75 Francis St
Boston, MA 021156110
Phone: (617) 732-5500
Type: Location
75 FRANCIS ST
BOSTON, MA 021156110
Phone: (617) 732-5500
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-11-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20211021002564 | I | Obstetrics/Gynecology | MA | TBD |
| I20251101000395 | I | Obstetrics/Gynecology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 94115)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O P H T H A L M O L O G Y | CA | |
| - | CA | |
| - | CA | |
| Physician Assistant | CA | |
| - | ID | |
| Orthopedic Surgery | CA | |
| - | CA | |
| Internal Medicine, Cardiovascular Disease (Cardiology) | MA | |
| O P H T H A L M O L O G Y | CA | |
| - | CA |
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