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DR. JOANA JOY TAMAYO M.D.
NPI 1235106188
Specialist in Glendale, CA

Active since February 28, 2006PECOS EnrolledAccepts Medicare Assignment
1808 VERDUGO BLVD, SUITE 208, GLENDALE, CA 91208(818) 952-5322(818) 952-7993 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joana Joy Tamayo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOANA JOY TAMAYO M.D. (NPI 1235106188) is an individual specialist in Glendale, California, licensed in California (A79900) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2001).

NPPES Registry Identity

NPI1235106188
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameDR. JOANA JOY TAMAYOCredential: M.D.
Location Address1808 VERDUGO BLVD, SUITE 208Glendale, CA 91208-1477
Mailing Address1808 Verdugo Blvd, Suite 208Glendale, CA 91208-1477 · (818) 952-5322 · Fax (818) 952-7993
Phone(818) 952-5322
Fax(818) 952-7993
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2001
Enumeration DateFebruary 28, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1235106188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A79900
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1808 VERDUGO BLVD, Glendale, CA 91208
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Other Identifiers 1

Medicaid0A7990000CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joana Joy Tamayo M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6709801806
PECOS Enrollment IDI20051007000553
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Joana Tamayo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Valley Medical Foundation
284 mi
Multi-Specialty
600 COFFEE RD
Modesto, CA 95355
  • Reassigned Medicare billing, California enrollment
  • 3,056 clinicians in this Medicare group
NPI 1669846986 (209) 524-1211
Obhg California, P.C.
2,035 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Obhg California PC
  • 711 clinicians in this Medicare group
NPI 1215258892 (800) 967-2289

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ELLIE BLOOMFIELD M.D.
Internal Medicine
1808 VERDUGO BLVD, SUITE 403
GLENDALE, CA 91208
Los Angeles County (818) 790-7098
DR. VINH TAN TRAN MD, PHD
Ophthalmology
1808 VERDUGO BLVD, SUITE 206
GLENDALE, CA 91208
Los Angeles County (818) 790-7611
MICHAEL S. CANN, M.D., INC.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
1808 VERDUGO BLVD, SUITE 112
GLENDALE, CA 91208
Los Angeles County (818) 949-7380
USC SCHOOL OF PHARMACY
Pharmacy (Community/Retail Pharmacy)
1808 VERDUGO BLVD, STE 111
GLENDALE, CA 91208
Los Angeles County (818) 952-2223
DR. KERRI SHANE PARKS M.D.
Specialist
1808 VERDUGO BLVD, SUITE 208
GLENDALE, CA 91208
Los Angeles County (818) 952-5322
DR. STEPHANIE MARTA RADE D.O.
Internal Medicine
1808 VERDUGO BLVD, STE 403
GLENDALE, CA 91208
Los Angeles County (818) 790-7098
ALICE YUN,M.D.,INC
Specialist
1808 VERDUGO BLVD, SUITE 404
GLENDALE, CA 91208
Los Angeles County (818) 952-6300
MICHAEL STERLING CANN M.D.
Orthopaedic Surgery
1808 VERDUGO BLVD, 112
GLENDALE, CA 91208
Los Angeles County (818) 949-7380

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joana Tamayo's NPI number?

The NPI number for Joana Tamayo is 1235106188. It was assigned to this individual provider in the NPPES registry on February 28, 2006.

Where is Joana Tamayo located?

Joana Tamayo practices at 1808 Verdugo Blvd Suite 208, Glendale, CA 91208. The listed phone number is (818) 952-5322.

What is Joana Tamayo's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Joana Tamayo enrolled in Medicare?

Yes. Joana Tamayo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Joana Tamayo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joana Tamayo reassigns Medicare benefits to 2 organizations: Sutter Valley Medical Foundation (Modesto, CA) and Obhg California, P.C. (Greenville, SC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joana Tamayo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joana Tamayo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.