Stephanie Serna, PA-C
NPI 1245759810 · Physician Assistant · Napa, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Serna, PA-C is a Physician Assistant provider in Napa, CA (NPI 1245759810).
Provider details
- NPI number
- 1245759810
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA54829 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
894 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 266 | $93 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 143 | $70 |
| X-Ray of Hip, 2-3 Views73502 | 114 | $53 |
| X-Ray of Knee, 3 Views73562 | 114 | $46 |
| X-Ray of Knee, 4 Or More Views73564 | 80 | $53 |
| Replacement of Knee Joint, Both Sides of Knee27447 | 44 | $196 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 198 | 119 |
| Tramadol Hcl | 118 | 89 |
| Celecoxib | 65 | 57 |
| Ondansetronbrand: Ondansetron Odt | 38 | 37 |
| Doxycycline Hyclate | 26 | 22 |
| Amoxicillin | 21 | 18 |
| Meloxicam | 19 | 17 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Additional practice locations (1)
- 1399 9th Ave Apt 1507San Diego, CA 92101-4700Phone: (520) 780-3939
Registry dates
- Enumerated
- 2017-09-14
- Last updated
- 2020-07-15
- Certified
- 2020-07-15
Frequently asked questions
- What is Stephanie Serna's NPI number?
- Stephanie Serna's National Provider Identifier (NPI) is 1245759810, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Serna's specialty?
- Stephanie Serna is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Serna located?
- Stephanie Serna's practice location on file with NPPES is 3273 Claremont Way Ste 100, Napa, CA 94558-3328.
- What is Stephanie Serna's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Serna is (707) 254-7117.
- Does Stephanie Serna accept Medicare?
- Stephanie Serna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Serna's NPI active?
- Yes — Stephanie Serna's NPI (1245759810) is active in the NPPES registry as of the last update on 2020-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.