NPPES file of Aug 9, 2026

Kathy Cooper, D.O.

Emergency Medicine Physician · San Diego, CA

Kathy Cooper, D.O. is an emergency medicine physician with a practice address in San Diego, California, and NPI 1891802716, issued on Aug 24, 2006. Check the license (California 20A13823, 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
1891802716
Name
Kathy Cooper
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
20A13823 CA
238647 NY
Q1380 TX
Self-reported in NPPES; status is on the state search
Practice location
4647 Zion Ave, San Diego, CA 92120
Phone
(619) 528-5000
Enumerated
Aug 24, 2006
Record last updated
Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
02812164 NY
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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Also registered at 4647 Zion Ave

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

  1. Samy Abdou, MDNeurological Surgery Physician1215085006
  2. Samvel Abelyan, PHARMDPharmacist1306629928
  3. Ali Aboutaleb, MDFamily Medicine Physician1821261405
  4. Patricia Achilly, CNMAdvanced Practice Midwife1932257847
  5. Linda Adams, PAPhysician Assistant1427174689
  6. Mette-Margrethe Adkisson, M.D.Emergency Medicine Physician1528288081

Verify Kathy Cooper in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A13823
    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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22% fewer Medicare Part D claims than the average emergency medicine physician in 2024

177 Medicare Part D claims for 122 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 38 claims were for opioids.

  1. Kathy Cooper177
  2. Specialty average226

Most prescribed

  1. Oxycodone Hcl20 claims
  2. Hydrocodone-Acetaminophen18 claims
  3. Cefadroxil12 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.

Kathy Cooper among 7,751 emergency medicine physician records in California

Kathy Cooper, D.O. is one of 7,751 emergency 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. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Peter Berkman, M.D.San Diego, CA 921201851305478
  2. William Durkin, M.D.San Diego, CA 921201174514582
  3. James Foster, M.D.San Diego, CA 921201699781955
  4. David Frant, MDSan Diego, CA 921201174690028
  5. Steven Kohler, MDSan Diego, CA 921201942377858
  6. James Larson, M.D.San Diego, CA 921201972519189
  7. Minh Le, MDSan Diego, CA 921201609829142
  8. Keri London, M.D.San Diego, CA 921201073527313

Common questions

What is Kathy Cooper, D.O.'s NPI number?

Kathy Cooper, D.O.'s National Provider Identifier (NPI) is 1891802716, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kathy Cooper, D.O. located?

The NPPES record lists a practice address at 4647 Zion Ave, San Diego, CA, 92120. Phone: (619) 528-5000. Providers update this record themselves, so call before visiting.

How can I verify Kathy Cooper, D.O.'s license?

NPPES lists California license number 20A13823, 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 Cooper, D.O. prescribe under Medicare Part D?

In 2024, Kathy Cooper, D.O. had 177 Medicare Part D claims for 122 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.