Megan Byrne, MD
NPI 1538643903 · Internal Medicine Physician · Redwood City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Byrne, MD is a Internal Medicine Physician provider in Redwood City, CA (NPI 1538643903).
Provider details
- NPI number
- 1538643903
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A180588 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 87 | 39 |
| Amlodipine Besylate | 58 | 23 |
| Levothyroxine Sodium | 55 | 15 |
| Metformin Hcl | 53 | 24 |
| Gabapentin | 47 | 13 |
| Dulaglutidebrand: Trulicity | 42 | — |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-09-20
- Last updated
- 2024-06-12
- Certified
- 2024-06-12
Frequently asked questions
- What is Megan Byrne's NPI number?
- Megan Byrne's National Provider Identifier (NPI) is 1538643903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Byrne's specialty?
- Megan Byrne is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Byrne located?
- Megan Byrne's practice location on file with NPPES is 2710 Middlefield Rd, Redwood City, CA 94063-3404.
- What is Megan Byrne's phone number?
- The practice phone number listed in the NPPES registry for Megan Byrne is (650) 578-7141.
- Does Megan Byrne accept Medicare?
- Megan Byrne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Byrne's NPI active?
- Yes — Megan Byrne's NPI (1538643903) is active in the NPPES registry as of the last update on 2024-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.