NPPES file of Aug 9, 2026

Howard D. Epstein, M.D.

Anatomic Pathology & Clinical Pathology Physician · Newport Beach, CA

Howard D. Epstein, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Newport Beach, California, and NPI 1003852674, issued on Jun 21, 2006. Check the license (California G067834, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003852674
Name
Howard D. Epstein
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
G067834 CA
Self-reported in NPPES; status is on the state search
Practice location
1 Hoag Drive, Newport Beach, CA 92658
Phone
(949) 764-5635
Enumerated
Jun 21, 2006
Record last updated
Oct 5, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(949) 764-8083
Medicaid ID
0G6783400 CA
Medicare enrollment
Enrolled (PECOS I20100716000028); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 1985
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 1 Hoag Drive

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

  1. Abhinandan Bharne, M.D.Pulmonary Disease Physician1235229311
  2. Benjamin Kim-Wakamatsu, MDEmergency Medicine Physician1457409476
  3. Margaret Morley, NPAdult Health Nurse Practitioner1992937049
  4. Janice Robinson, PTPhysical Therapist1174669154
  5. Denise Van Horn, M. D.Anatomic Pathology & Clinical Pathology Physician1699706242

Verify Howard D. Epstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G067834
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 79.4 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Jay P Diliberto MD IncHuntington Beach, CA
  2. Newport Harbor Pathology Medical Group IncNewport Beach, CA

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

Howard D. Epstein among 1,554 anatomic pathology & clinical pathology physician records in California

Howard D. Epstein, M.D. is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 57% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1985 · median 2003 among the 891 with a school on file
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Arell Shapiro, M.D.Newport Beach, CA 926581063448132
  2. Janet Stallman, MDNewport Beach, CA 926581245276476
  3. Denise Van Horn, M. D.Newport Beach, CA 926581699706242
  4. William Wolfson, MDNewport Beach, CA 926581891731295
  5. Renuka Agrawal, M.D.Aliso Viejo, CA 926561174733059
  6. George Csathy, M.D.Aliso Viejo, CA 926561740402841
  7. Jian-Feng WangAliso Viejo, CA 926561891929931
  8. David Braxton, M.D.Newport Beach, CA 926631982921292

Common questions

What is Howard D. Epstein, M.D.'s NPI number?

Howard D. Epstein, M.D.'s National Provider Identifier (NPI) is 1003852674, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Howard D. Epstein, M.D. located?

The NPPES record lists a practice address at 1 Hoag Drive, Newport Beach, CA, 92658. Phone: (949) 764-5635. Providers update this record themselves, so call before visiting.

How can I verify Howard D. Epstein, M.D.'s license?

NPPES lists California license number G067834, 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.

What is Howard D. Epstein, M.D.'s MIPS final score?

The 2023 MIPS final score is 79.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.