JOSEPHINE BA NGUYEN (M.D.) – Gynecology Physician, NPI 1487185583
Gynecology Physician
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Profile Insights
NPPES metrics only — not quality of care.
4,008 OBSTETRICS/GYNECOLOGY in CA
Provider Addresses for JOSEPHINE BA NGUYEN (M.D.)
710 LAWRENCE EXPY DEPT 386
SANTA CLARA, CA 950515173
Phone:
Type: Mailing
106 Gift Gallery, 700, Lawrence Expressway, Santa Clara, Santa Clara County, California, 95014-0721, United States
SANTA CLARA, CA 950515173
Phone:
Type: Mailing
2650 RIDGE AVE # 1223
EVANSTON, IL 602011700
Phone: (847) 982-3175
Fax: (847) 982-3394
Type: Mailing
133 E BRUSH HILL RD STE 308
ELMHURST, IL 601265662
Phone: (331) 221-9006
Fax: (331) 221-2734
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: 2026-03-09
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 |
|---|---|---|---|---|
| I20210820002384 | I | Obstetrics/Gynecology | CA | TBD |
| I20260309001623 | I | Obstetrics/Gynecology | IL | 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 95051)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | DC | |
| Colorectal Surgery (Proctology), General Surgery | LA | |
| - | CA | |
| N E U R O S U R G E R Y | MA | |
| Internal Medicine | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine | CA | |
| Emergency Medicine | CA | |
| - | MA | |
| Emergency Medicine | CA |
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