Allison Byrne, D.O.
NPI 1437461233 · Family Medicine Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Byrne, D.O. is a Family Medicine Physician provider in Whittier, CA (NPI 1437461233).
Provider details
- NPI number
- 1437461233
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A11850 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 104 | 40 |
| Losartan Potassium | 98 | 34 |
| Levothyroxine Sodium | 91 | 30 |
| Amlodipine Besylate | 67 | 28 |
| Lisinopril | 62 | 24 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 53 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$37 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
Registry dates
- Enumerated
- 2010-07-08
- Last updated
- 2021-12-15
Frequently asked questions
- What is Allison Byrne's NPI number?
- Allison Byrne's National Provider Identifier (NPI) is 1437461233, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Byrne's specialty?
- Allison Byrne is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Byrne located?
- Allison Byrne's practice location on file with NPPES is 12522 Lambert Rd, Whittier, CA 90606-2758.
- What is Allison Byrne's phone number?
- The practice phone number listed in the NPPES registry for Allison Byrne is (562) 789-5420.
- Does Allison Byrne accept Medicare?
- Allison Byrne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Byrne's NPI active?
- Yes — Allison Byrne's NPI (1437461233) 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.