ALEXANDRA ELIZABETH FLESSEL (MD) – Obstetrics & Gynecology Physician, NPI 1003493701
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,007 OBSTETRICS/GYNECOLOGY in CA
Provider Addresses for ALEXANDRA ELIZABETH FLESSEL (MD)
136 N San Mateo Dr Ste 101
San Mateo, CA 944012779
Phone: (650) 344-1114
Type: Location
5333 McAuley Dr Rm 2110
Ypsilanti, MI 481971097
Phone: (734) 712-3967
Type: Location
5333 MCAULEY DR RM 2108
YPSILANTI, MI 481971096
Phone:
Type: Mailing
5333 MCAULEY DR RM 2110
YPSILANTI, MI 481971097
Phone: (734) 712-3967
Type: Location
136 N SAN MATEO DR STE 101
SAN MATEO, CA 944012779
Phone: (650) 344-1114
Type: Mailing
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: 2025-08-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20250825002122 | 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 94401)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | MA | |
| Physician Assistant | VA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Family Practice | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | DC | |
| Physician Assistant | PA | |
| Hospitalist, Family Practice | CA |
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