Megan Marie Byrne, MD
Internal Medicine Physician · Redwood City, CA
Megan Marie Byrne, MD is an internal medicine physician with a practice address in Redwood City, California, and NPI 1538643903, issued on Sep 20, 2018. Check the license (California A180588, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Megan Marie Byrne
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A180588 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2710 Middlefield RD, Redwood City, CA 94063
- Phone
- (650) 578-7141
- Enumerated
- Sep 20, 2018
- Record last updated
- Jun 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20240115001007); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2710 Middlefield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jeanette Aviles, MDInternal Medicine Physician1184772576
- Vanessa Breen, NPFamily Nurse Practitioner1497190763
- Erika Choy, DOPediatrics Physician1972965788
- Mary Loretta Davila, R.D. IBCLCRegistered Dietitian1417309170
Verify Megan Marie Byrne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A180588Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,045 Medicare Part D claims for 121 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium87 claims
- Amlodipine Besylate58 claims
- Levothyroxine Sodium55 claims
- Metformin Hcl53 claims
- Gabapentin47 claims
- Trulicity42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- County OF San MateoRedwood City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Megan Marie Byrne among 17,696 internal medicine physician records in California
Megan Marie Byrne, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
85 internal medicine physician records list a practice address in Redwood City
They are 85 of the 2,795 NPPES records with a practice address in Redwood City, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Redwood City → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sona Aggarwal, MDRedwood City, CA 940631417065228
- Wilma Arguelles-Gaviola, MDRedwood City, CA 940631740368398
- Srinivasa Ashokkumar, M.DRedwood City, CA 940631134126329
- Henry Brodkin, MDRedwood City, CA 940631770661324
- Betty Ho, MDRedwood City, CA 940631922186568
- Khorshed Madan, M.D.Redwood City, CA 940631366464356
- Alison Pachynski, MD MPHRedwood City, CA 940631013090810
- Marie President, M.DRedwood City, CA 940631083621379
Common questions
What is Megan Marie Byrne, MD's NPI number?
Megan Marie Byrne, MD's National Provider Identifier (NPI) is 1538643903, issued on Sep 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Megan Marie Byrne, MD located?
The NPPES record lists a practice address at 2710 Middlefield RD, Redwood City, CA, 94063. Phone: (650) 578-7141. Providers update this record themselves, so call before visiting.
How can I verify Megan Marie Byrne, MD's license?
NPPES lists California license number A180588, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Megan Marie Byrne, MD prescribe under Medicare Part D?
In 2024, Megan Marie Byrne, MD had 1,045 Medicare Part D claims for 121 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.