NPPES file of Aug 9, 2026

Kathy Kook-Hee Joo, M.D.

Endocrinology, Diabetes & Metabolism Physician · Temecula, CA

Kathy Kook-Hee Joo, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Temecula, California, and NPI 1457318347, issued on Apr 26, 2006. Check the license (California A 79206, 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
1457318347
Name
Kathy Kook-Hee Joo
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A 79206 CA
Self-reported in NPPES; status is on the state search
Practice location
29645 Rancho California RD, Temecula, CA 92591
Phone
(951) 308-1325
Enumerated
Apr 26, 2006
Record last updated
Jun 20, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040616001402); accepts Medicare assignment
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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Also registered at 29645 Rancho California RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Azim Azhand, M.DSpecialist1548362064
  2. Randy Buchmiller, DDS,M.S.Orthodontics and Dentofacial Orthopedics Dentistry1235316951
  3. Paul Dimeglio, OTR/L, HTCOccupational Therapist1013054584
  4. Dwight Eckard, D.D.S.General Practice Dentistry1346348398
  5. Guillermina Garza, LCSWClinical Social Worker1174990386
  6. Timothy Hougen, PH.D.Clinical Psychologist1912045477

Verify Kathy Kook-Hee Joo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A 79206    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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17% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,192 Medicare Part D claims for 274 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Kathy Joo2,192
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium233 claims
  2. Jardiance212 claims
  3. Metformin Hcl197 claims
  4. Rosuvastatin Calcium137 claims
  5. Ozempic110 claims
  6. Lantus Solostar79 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.

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

All 1,131 in California → Every provider in Temecula →

Other endocrinology, diabetes & metabolism physician records in California

  1. Evan Abel, MDSanta Monica, CA1619067238
  2. Anita Abraham, M.D.Stockton, CA1558380337
  3. Sallie Adams, M.D.Roseville, CA1255342085
  4. Helen Adelberg, M.D.Encino, CA1093935447
  5. Yewande Adepoju, DOOroville, CA1467892984
  6. David Aftergood, MDBeverly Hills, CA1639259328
  7. Nidhi Agarwal, MDTorrance, CA1518387125
  8. Bahar Aghighi, MDSanta Cruz, CA1770562134
  9. Tyler Aguinaldo, MDBurlingame, CA1306811906
  10. Susan Ahern, D.O.Ventura, CA1508156597

Common questions

What is Kathy Kook-Hee Joo, M.D.'s NPI number?

Kathy Kook-Hee Joo, M.D.'s National Provider Identifier (NPI) is 1457318347, issued on Apr 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathy Kook-Hee Joo, M.D. located?

The NPPES record lists a practice address at 29645 Rancho California RD, Temecula, CA, 92591. Phone: (951) 308-1325. Providers update this record themselves, so call before visiting.

How can I verify Kathy Kook-Hee Joo, M.D.'s license?

NPPES lists California license number A 79206, 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 Kathy Kook-Hee Joo, M.D. prescribe under Medicare Part D?

In 2024, Kathy Kook-Hee Joo, M.D. had 2,192 Medicare Part D claims for 274 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.