Heather Oshiro, P.A.-C
NPI 1487023222 · Physician Assistant · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Oshiro, P.A.-C is a Physician Assistant provider in Fountain Valley, CA (NPI 1487023222).
Provider details
- NPI number
- 1487023222
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.-C
- Sex
- Female
- Sole proprietor
- No
- License
- 52823 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
408 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 275 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $118 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 19 | $119 |
| X-Ray of Chest, 2 Views71046 | 17 | $27 |
| Urinalysis, Manual Test81002 | 17 | $3 |
| X-Ray of Knee, 4 Or More Views73564 | 15 | $42 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 56 | 52 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 56 | 54 |
| Atorvastatin Calcium | 56 | 25 |
| Methylprednisolone | 53 | 48 |
| Losartan Potassium | 51 | 22 |
| Levothyroxine Sodium | 51 | 23 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 955 W Imperial Hwy Ste 110Brea, CA 92821-3814Phone: (714) 578-6826
Registry dates
- Enumerated
- 2015-09-23
- Last updated
- 2021-12-15
- Certified
- 2021-12-15
Frequently asked questions
- What is Heather Oshiro's NPI number?
- Heather Oshiro's National Provider Identifier (NPI) is 1487023222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Oshiro's specialty?
- Heather Oshiro is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Heather Oshiro located?
- Heather Oshiro's practice location on file with NPPES is 9940 Talbert Ave, Fountain Valley, CA 92708-5153.
- What is Heather Oshiro's phone number?
- The practice phone number listed in the NPPES registry for Heather Oshiro is (714) 545-8700.
- Does Heather Oshiro accept Medicare?
- Heather Oshiro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Oshiro's NPI active?
- Yes — Heather Oshiro's NPI (1487023222) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.