STEPHANIE SERNA (PA-C) – Physician Assistant, NPI 1245759810
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 SERNA (PA-C)
1399 9th Ave Apt 1507
San Diego, CA 921014700
Phone: (520) 780-3939
Type: Location
3273, Claremont Way, Northwood Shopping Center, Union, Napa, Napa County, California, 94558, United States
STE 100
NAPA, CA 945583328
Phone: (707) 254-7117
Fax: (707) 265-6435
Type: Mailing
Claremont Way, Northwood Shopping Center, Union, Napa, Napa County, California, 94558, United States
NAPA, CA 945583328
Phone: (707) 254-7117
Fax: (707) 265-6435
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: 2018-01-15
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 |
|---|---|---|---|---|
| I20180115000745 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J7329 | Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg | 2,147 | 30 | $0 |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 720 | 124 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 265 | 234 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 246 | 148 | $0 |
| 73502 | X-ray of hip, 2-3 views | 116 | 99 | $0 |
Insurance plans in this area (ZIP 92101)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Internal Medicine | CA |
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