NPPES file of Aug 9, 2026

Jay Hoon Yoo, M.D.

Obstetrics & Gynecology Physician · Anaheim, CA

Jay Hoon Yoo, M.D. is an obstetrics & gynecology physician with a practice address in Anaheim, California, and NPI 1275623340, issued on Oct 13, 2006. Check the license (California A71785, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1275623340
Name
Jay Hoon Yoo
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A71785 CA
Self-reported in NPPES; status is on the state search
Practice location
408 S. Beach Blvd, Anaheim, CA 92804
Phone
(714) 821-8479
Enumerated
Oct 13, 2006
Record last updated
Oct 7, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(714) 821-8905
Medicare enrollment
Enrolled (PECOS I20191021000028); may accept Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1996
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jay Hoon Yoo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A71785
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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69% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

279 Medicare Part D claims for 107 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Jay Yoo279
  2. Specialty average165

Most prescribed

  1. Estradiol112 claims
  2. Terconazole43 claims
  3. Clotrimazole-Betamethasone37 claims
  4. Fluconazole17 claims
  5. Premarin13 claims
  6. Estradiol-Norethindrone Acetat11 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.

Jay Hoon Yoo among 5,088 obstetrics & gynecology physician records in California

Jay Hoon Yoo, M.D. 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 fileYes · 53% of these records are
  • Graduated1996 · median 2004 among the 2,700 with a school on file
  • Record last updated2011 · 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.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Amin Fawwaz, MDAnaheim, CA 928041134271380
  2. Sang Kim, MDAnaheim, CA 928041205885217
  3. Yung Tae Kim, MDAnaheim, CA 928041477695393
  4. George Ahad, MDAnaheim, CA 928051932421559
  5. Nilima Mamtora, MDAnaheim, CA 928051629019286
  6. Justin Chuang, MDAnaheim, CA 928021811065691
  7. Morgan Mandigo, MDAnaheim, CA 928021316334600
  8. Amanda Michael, M.D.Anaheim, CA 928061437470788

Common questions

What is Jay Hoon Yoo, M.D.'s NPI number?

Jay Hoon Yoo, M.D.'s National Provider Identifier (NPI) is 1275623340, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jay Hoon Yoo, M.D. located?

The NPPES record lists a practice address at 408 S. Beach Blvd, Anaheim, CA, 92804. Phone: (714) 821-8479. Providers update this record themselves, so call before visiting.

How can I verify Jay Hoon Yoo, M.D.'s license?

NPPES lists California license number A71785, 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 Jay Hoon Yoo, M.D. prescribe under Medicare Part D?

In 2024, Jay Hoon Yoo, M.D. had 279 Medicare Part D claims for 107 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.