Joana Joy Tamayo, M.D.
Specialist · Glendale, CA
Joana Joy Tamayo, M.D. is a specialist with a practice address in Glendale, California, and NPI 1235106188, issued on Feb 28, 2006. Check the license (California A79900, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joana Joy Tamayo
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A79900 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1808 Verdugo Blvd, Glendale, CA 91208
- Phone
- (818) 952-5322
- Enumerated
- Feb 28, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (818) 952-7993
- Medicaid ID
- 0A7990000 CA
- Medicare enrollment
- Enrolled (PECOS I20051007000553); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 1808 Verdugo Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Chin, D.D.S.Pediatric Dentistry1831505288
- Douglas Ebbink, OPTICIANOptician1750582326
Verify Joana Joy Tamayo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A79900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $63.96
2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joana Joy Tamayo among 5,749 specialist records in California
Joana Joy Tamayo, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2001 · median 1989 among the 1,075 with a school on file
- Record last updated2026 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Glendale → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Alan Green, M.D., F.A.A.A.I.Glendale, CA 912081609907732
- Steven Hartford, M.D.Glendale, CA 912081215904099
- Kathryn Iwata, M.D.Glendale, CA 912081235106196
- Stanton Joe, M.D.Glendale, CA 912081255494159
- Leslie Korostoff, MDGlendale, CA 912081417096959
- Kerri Parks, M.D.Glendale, CA 912081104893775
- Janet Schori, M.D.Glendale, CA 912081326015272
- Paul Toffel, M.D.Glendale, CA 912081790741064
Common questions
What is Joana Joy Tamayo, M.D.'s NPI number?
Joana Joy Tamayo, M.D.'s National Provider Identifier (NPI) is 1235106188, issued on Feb 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joana Joy Tamayo, M.D. located?
The NPPES record lists a practice address at 1808 Verdugo Blvd, Glendale, CA, 91208. Phone: (818) 952-5322. Providers update this record themselves, so call before visiting.
How can I verify Joana Joy Tamayo, M.D.'s license?
NPPES lists California license number A79900, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.