Michael E. Bayer, MD
Neurology Physician · Encinitas, CA
Michael E. Bayer, MD is a neurology physician with a practice address in Encinitas, California, and NPI 1386974756, issued on Jan 7, 2010. Check the license (California G43540, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael E. Bayer
- Credential
- MD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- G43540 CA
Self-reported in NPPES; status is on the state search - Practice location
- 788 Neptune Ave, Encinitas, CA 92024
- Phone
- (760) 230-2448
- Enumerated
- Jan 7, 2010
- Record last updated
- Nov 19, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (760) 230-2449
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Verify Michael E. Bayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G43540Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average neurology physician in 2024
34 Medicare Part D claims, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
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 E. Bayer among 2,339 neurology physician records in California
Michael E. Bayer, MD is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 61% of them.
- NPI issued2010 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2010 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Encinitas → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Tresa McGranahan, M.D., PH.D.Encinitas, CA 920241639519010
- Kenneth Selzer, M.D.Encinitas, CA 920241528269271
- Kenneth Khoury, M.D.Escondido, CA 920251215969597
- William Samuel, M.D.Escondido, CA 920251396709382
- Adriana Sofia Perilla, M.D.El Cajon, CA 920201871911552
- Patrick Huott, M.D.Escondido, CA 920291366452781
- Chunyang Wang, MDEscondido, CA 920291386890770
- David Baker, DOCarlsbad, CA 920111316442296
Common questions
What is Michael E. Bayer, MD's NPI number?
Michael E. Bayer, MD's National Provider Identifier (NPI) is 1386974756, issued on Jan 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Michael E. Bayer, MD located?
The NPPES record lists a practice address at 788 Neptune Ave, Encinitas, CA, 92024. Phone: (760) 230-2448. Providers update this record themselves, so call before visiting.
How can I verify Michael E. Bayer, MD's license?
NPPES lists California license number G43540, 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 E. Bayer, MD prescribe under Medicare Part D?
In 2024, Michael E. Bayer, MD had 34 Medicare Part D claims; the average among neurology physician prescribers was 1,370. 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.