STEPHANIE HSIEH – Physician Assistant, NPI 1720868045
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for STEPHANIE HSIEH
1601 2nd St Ste 108
San Rafael, CA 949012701
Phone: (415) 454-9444
Type: Location
1016 Outer Rd
San Diego, CA 921541351
Phone: (619) 429-3733
Type: Location
PO BOX 1196
GUALALA, CA 954451196
Phone:
Type: Mailing
38001 OLD STAGE RD
GUALALA, CA 954458543
Phone: (707) 412-3176
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 9 Open Payments records for all available years, with a total value of $851.
Total Amount is formed as General ($851) + Research ($0) + Ownership ($0) = $851.
Last reported payment date: 2024-07-11 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($220).
Total Amount
$851
General + Research + Ownership
Payments
9
Total payment records
General Amount
$851
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $220 |
| Edwards Lifesciences Corporation | $168 |
| Lundbeck LLC | $125 |
| AstraZeneca Pharmaceuticals LP | $116 |
| Neurelis, Inc. | $102 |
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: 2024-09-16
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 |
|---|---|---|---|---|
| I20240916002350 | I | Physician Assistant | 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 94901)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| Family Practice | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Family Practice, Hospitalist | CA | |
| - | CA | |
| - | CA | |
| Clinical Psychologist | CA | |
| Family Practice | CA |
Reviews
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