NPPES file of Aug 9, 2026

Karel William Kooper, M.D.

Family Medicine Physician · Los Angeles, CA

Karel William Kooper, M.D. is a family medicine physician with a practice address in Los Angeles, California, and NPI 1306935564, issued on Oct 12, 2006. Check the license (California A71166, 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
1306935564
Name
Karel William Kooper
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A71166 CA
Self-reported in NPPES; status is on the state search
Practice location
849 W 34TH St, Los Angeles, CA 90089
Phone
(213) 740-4448
Enumerated
Oct 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 849 W 34TH St

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

  1. Donna Beard Gilchrist, NPWomen's Health Nurse Practitioner1861618944
  2. Michael Creamer, M.D.Physician Assistant1457560153
  3. Yasuko Furumoto, M.D.Dermatology Physician1326265315
  4. Emily Kumai, PA-CPhysician Assistant1437376175
  5. Kevin Kwak, M.D.Internal Medicine Physician1275759425
  6. William Leavitt, M.D.Pediatrics Physician1588774988

Verify Karel William Kooper in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A71166    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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Karel William Kooper among 17,133 family medicine physician records in California

Karel William Kooper, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

829 family medicine physician records list a practice address in Los Angeles

They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Katherine Joseph, MDLos Angeles, CA 900891689370322
  2. Isabel Rahbar, NPLos Angeles, CA 900891225664527
  3. Eginia Franco, M.D.Playa Vista, CA 900941467804930
  4. Thu Howell, M.DPlaya Vista, CA 900941124041256
  5. George Joseph, M.D.Playa Vista, CA 900941821152356
  6. Alia Matthews, MDPlaya Vista, CA 900941295788511
  7. Osayamen Omoruyi, M.D.Playa Vista, CA 900941467814582
  8. Prisha Patel, MDPlaya Vista, CA 900941528644978

Common questions

What is Karel William Kooper, M.D.'s NPI number?

Karel William Kooper, M.D.'s National Provider Identifier (NPI) is 1306935564, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karel William Kooper, M.D. located?

The NPPES record lists a practice address at 849 W 34TH St, Los Angeles, CA, 90089. Phone: (213) 740-4448. Providers update this record themselves, so call before visiting.

How can I verify Karel William Kooper, M.D.'s license?

NPPES lists California license number A71166, 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.