Cynthia Lynn Mayer, DO
Nuclear Medicine Physician · Torrance, CA
Cynthia Lynn Mayer, DO is a nuclear medicine physician with a practice address in Torrance, California, and NPI 1689824849, issued on Sep 24, 2008. Check the license (California 204 7301, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cynthia Lynn Mayer
- Credential
- DO
- Primary taxonomy
- Nuclear Medicine Physician 207U00000X
- License number
- 204 7301 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4101 Torrance Blvd, Torrance, CA 90503
- Phone
- (310) 303-5764
- Enumerated
- Sep 24, 2008
- Record last updated
- Sep 24, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (310) 303-5520
- Medicare enrollment
- Enrolled (PECOS I20240715002773); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nuclear medicine physician records → All 150 in California → Look up another NPI →
Also registered at 4101 Torrance Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janette Aceituno, AGPCNPNurse Practitioner1366335341
- Caroline Altergott, MDEmergency Medicine Physician1902841901
- Kellie AmanoPharmacist1558070458
- Shama Ambe, M.DNeonatal-Perinatal Medicine Physician1780881763
- Henry Amberg, M.D.Anesthesiology Physician1336167048
- Anne Arafat, PHARM. D.Geriatric Pharmacist1730304452
Verify Cynthia Lynn Mayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 204 7301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Queens North Hawaii Community HospitalKamuela, HI
- Queens University Medical GroupHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia Lynn Mayer among 150 nuclear medicine physician records in California
Cynthia Lynn Mayer, DO is one of 150 nuclear medicine physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 72% of them.
- NPI issued2008 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1996 · median 1999 among the 72 with a school on file
- Record last updated2008 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207U00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nuclear Medicine Physician providers in California
There are 150 nuclear medicine physician records in California.
All 150 in California → Every provider in Torrance → Nuclear Medicine Physician nationwide →
The 8 nuclear medicine physician records with the nearest ZIP codes
- Lalitha Ramanna, MDTorrance, CA 905031396727889
- George Edwards, M.D.Santa Monica, CA 904041538125489
- Ali Salavati, M.D., M.P.H.Santa Monica, CA 904041669868857
- Edwin Glass, M.D.Santa Monica, CA 904031629012612
- Stephen Meisel, M.D.Santa Monica, CA 904031578675021
- Don Cho, MDNorwalk, CA 906501922036870
- Nelson Arnstein, MDBellflower, CA 907061629145529
- Seyed Ali Khonsary, M.D.South Gate, CA 902801003024464
Common questions
What is Cynthia Lynn Mayer, DO's NPI number?
Cynthia Lynn Mayer, DO's National Provider Identifier (NPI) is 1689824849, issued on Sep 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Lynn Mayer, DO located?
The NPPES record lists a practice address at 4101 Torrance Blvd, Torrance, CA, 90503. Phone: (310) 303-5764. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Lynn Mayer, DO's license?
NPPES lists California license number 204 7301, 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.
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.