Tammy Trang, PA
NPI 1225738826 · Physician Assistant · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Trang, PA is a Physician Assistant provider in Fountain Valley, CA (NPI 1225738826).
Provider details
- NPI number
- 1225738826
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA62449 (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
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
92 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 | 57 | $84 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 23 | $102 |
| Urinalysis, Manual Test81002 | 12 | $3 |
Typical Medicare-allowed amounts for these services range $3–$102 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 39 | 39 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 25 | 24 |
| Azithromycin | 25 | 25 |
| Amoxicillin | 15 | 15 |
| Prednisone | 15 | 15 |
| Doxycycline Hyclate | 14 | 13 |
| Mupirocin | 12 | 12 |
| Cyclobenzaprine Hcl | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-03
- Last updated
- 2025-02-21
- Certified
- 2025-02-21
Frequently asked questions
- What is Tammy Trang's NPI number?
- Tammy Trang's National Provider Identifier (NPI) is 1225738826, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Trang's specialty?
- Tammy Trang is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Trang located?
- Tammy Trang's practice location on file with NPPES is 11420 Warner Avenue, Fountain Valley, CA 92708.
- What is Tammy Trang's phone number?
- The practice phone number listed in the NPPES registry for Tammy Trang is (714) 549-1300.
- Does Tammy Trang accept Medicare?
- Tammy Trang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Trang's NPI active?
- Yes — Tammy Trang's NPI (1225738826) is active in the NPPES registry as of the last update on 2025-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.