NPPES file of Aug 9, 2026

Paul T. Ishimine, MD

Pediatric Emergency Medicine (Emergency Medicine) Physician · La Jolla, CA

Paul T. Ishimine, MD is a pediatric emergency medicine (emergency medicine) physician with a practice address in La Jolla, California, and NPI 1437184421, issued on Jul 11, 2006. Check the license (California A79142, 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
1437184421
Name
Paul T. Ishimine
Credential
MD
Primary taxonomy
Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X
License number
A79142 CA
Self-reported in NPPES; status is on the state search
Practice location
9300 Campus Point Drive, La Jolla, CA 92037
Phone
(858) 657-7000
Enumerated
Jul 11, 2006
Record last updated
Sep 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
00A791420 CA
Medicare enrollment
Enrolled (PECOS I20070801000866); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1995
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 9300 Campus Point Drive

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

  1. Theodore Chan, MDEmergency Medicine Physician1477596856
  2. Richard Clark, MDEmergency Medicine Physician1477596773
  3. Linda Dean, PHARMDPharmacist1346880937
  4. Ian Grover, MDEmergency Medicine Physician1073556304
  5. Kama Guluma, M.D.Emergency Medicine Physician1871526640
  6. Marc Hare, MDEmergency Medicine Physician1467482877

Verify Paul T. Ishimine in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A79142
    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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65% fewer Medicare Part D claims than the average pediatric emergency medicine (emergency medicine) physician in 2024

31 Medicare Part D claims for 27 beneficiaries, against an average of 89 among the 103 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Paul Ishimine31
  2. Specialty average89

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.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Paul T. Ishimine among 78 pediatric emergency medicine (emergency medicine) physician records in California

Paul T. Ishimine, MD is one of 78 pediatric emergency medicine (emergency medicine) physician records with a practice address in California. 47% 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, 74% newer
  • In a Medicare fileYes · 47% of these records are
  • In the CMS Doctors and Clinicians fileYes · 31% of these records are
  • Graduated1995 · median 2010 among the 24 with a school on file
  • Record last updated2020 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PP0204X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Emergency Medicine (Emergency Medicine) Physician providers in California

There are 78 pediatric emergency medicine (emergency medicine) physician records in California.

The 8 pediatric emergency medicine (emergency medicine) physician records with the nearest ZIP codes

  1. Casey Buitenhuys, MDEscondido, CA 920291578761409
  2. Kevin Buckley, MDSan Diego, CA 921231568566008
  3. Keri Carstairs, M.D.San Diego, CA 921231194871749
  4. Ariel Cohen, D.O.San Diego, CA 921231326306481
  5. Michele McDaniel, MDSan Diego, CA 921231366761959
  6. Matthew Murray, M.D.San Diego, CA 921231215103023
  7. Lauren Van Woy, DOSan Diego, CA 921231568959161
  8. Wesley Yim, MDSan Diego, CA 921231457988537

Common questions

What is Paul T. Ishimine, MD's NPI number?

Paul T. Ishimine, MD's National Provider Identifier (NPI) is 1437184421, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Paul T. Ishimine, MD located?

The NPPES record lists a practice address at 9300 Campus Point Drive, La Jolla, CA, 92037. Phone: (858) 657-7000. Providers update this record themselves, so call before visiting.

How can I verify Paul T. Ishimine, MD's license?

NPPES lists California license number A79142, 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 Paul T. Ishimine, MD prescribe under Medicare Part D?

In 2024, Paul T. Ishimine, MD had 31 Medicare Part D claims for 27 beneficiaries; the average among pediatric emergency medicine (emergency medicine) physician prescribers was 89. 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.