NPPES file of Aug 9, 2026

Yong-Kyoo Koh, M.D.

Anesthesiology Physician · Long Beach, CA

Yong-Kyoo Koh, M.D. is an anesthesiology physician with a practice address in Long Beach, California, and NPI 1447235932, issued on Dec 7, 2005. Check the license (California C50260, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1447235932
Name
Yong-Kyoo Koh
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
C50260 CA
Self-reported in NPPES; status is on the state search
Practice location
1720 Termino Ave, Long Beach, CA 90804
Phone
(562) 498-1000
Enumerated
Dec 7, 2005
Record last updated
Jun 29, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
00C502600 CA
Medicare enrollment
Enrolled (PECOS I20110623000165); 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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8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →

Also registered at 1720 Termino Ave

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

  1. Austin AguilarAdult Psychiatric/Mental Health Registered Nurse1457718876
  2. Marco Barrera Zuniga, RNRegistered Nurse1760158026
  3. Christine Bryan, RNAdult Psychiatric/Mental Health Registered Nurse1770940066
  4. Kathie Calloway, M.D.Emergency Medicine Physician1235166034
  5. Enrique Contreras, RNPsychiatric/Mental Health Registered Nurse1154787513
  6. James Dellorusso, M.D.Anesthesiology Physician1366425811

Verify Yong-Kyoo Koh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C50260    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Yong-Kyoo Koh among 7,571 anesthesiology physician records in California

Yong-Kyoo Koh, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileNo · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1973 · median 2006 among the 4,868 with a school on file
  • Record last updated2011 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,571 in California → Every provider in Long Beach → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. James Dellorusso, M.D.Long Beach, CA 908041366425811
  2. Andrew Kim, M.D.Long Beach, CA 908041982680914
  3. Stephen Kouri, M.D.Long Beach, CA 908041871577106
  4. Thomas Collopy, M.D.Lakewood, CA 908051275502262
  5. Leslie Lin, M.D.Lakewood, CA 908051053434795
  6. Kirankumar Vyas, M.D.Lakewood, CA 908051326091679
  7. Angeline Barnes, M.D.Long Beach, CA 908061366411217
  8. Thanh Cung, M.D.Long Beach, CA 908061255350336

Common questions

What is Yong-Kyoo Koh, M.D.'s NPI number?

Yong-Kyoo Koh, M.D.'s National Provider Identifier (NPI) is 1447235932, issued on Dec 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Yong-Kyoo Koh, M.D. located?

The NPPES record lists a practice address at 1720 Termino Ave, Long Beach, CA, 90804. Phone: (562) 498-1000. Providers update this record themselves, so call before visiting.

How can I verify Yong-Kyoo Koh, M.D.'s license?

NPPES lists California license number C50260, 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. 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.