Michael Joseph McGlynn, MD
Obstetrics & Gynecology Physician · Castro Valley, CA
Michael Joseph McGlynn, MD is an obstetrics & gynecology physician with a practice address in Castro Valley, California, and NPI 1730255332, issued on Nov 27, 2006. Check the license (California A040361, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Joseph McGlynn
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A040361 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20032 Lake Chabot RD, Castro Valley, CA 94546
- Phone
- (510) 538-8681
- Enumerated
- Nov 27, 2006
- Record last updated
- Feb 26, 2025
- Medicaid ID
- OOA403610 CA
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Michael Joseph McGlynn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A040361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
116 Medicare Part D claims for 30 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol28 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.
Michael Joseph McGlynn among 5,088 obstetrics & gynecology physician records in California
Michael Joseph McGlynn, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Castro Valley → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Ana BermudezCastro Valley, CA 945461679079065
- Kalaokalani Chandler, M.D.Castro Valley, CA 945461164459947
- Murray Gould, M.D.Castro Valley, CA 945461619985025
- Garima Loharuka, D.O.Castro Valley, CA 945461972897478
- Radhika Madhavan, MDCastro Valley, CA 945461457513053
- Baotram Nguyen, M.D.Castro Valley, CA 945461255607727
- Samuel Santoro, DOCastro Valley, CA 945461013023795
- Anna Maria Sapugay, MDCastro Valley, CA 945461972514966
Common questions
What is Michael Joseph McGlynn, MD's NPI number?
Michael Joseph McGlynn, MD's National Provider Identifier (NPI) is 1730255332, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Joseph McGlynn, MD located?
The NPPES record lists a practice address at 20032 Lake Chabot RD, Castro Valley, CA, 94546. Phone: (510) 538-8681. Providers update this record themselves, so call before visiting.
How can I verify Michael Joseph McGlynn, MD's license?
NPPES lists California license number A040361, 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 Michael Joseph McGlynn, MD prescribe under Medicare Part D?
In 2024, Michael Joseph McGlynn, MD had 116 Medicare Part D claims for 30 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.