NPPES file of Aug 9, 2026

Joshua Isaac Segal, M.D.

Anatomic Pathology & Clinical Pathology Physician · Thousand Oaks, CA

Joshua Isaac Segal, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Thousand Oaks, California, and NPI 1144665951, issued on May 7, 2013. Check the license (California A131910, 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
1144665951
Name
Joshua Isaac Segal
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
A131910 CA
Self-reported in NPPES; status is on the state search
Practice location
351 Rolling Oaks Dr, Thousand Oaks, CA 91361
Phone
(805) 373-8582
Enumerated
May 7, 2013
Record last updated
Jun 26, 2024
Medicare enrollment
Enrolled (PECOS I20190702002536); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 2013
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 351 Rolling Oaks Dr

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

  1. Eric Broxham, M.D.Anatomic Pathology & Clinical Pathology Physician1124262506
  2. Benica Eyvazzadeh, O.D.Optometrist1225070600
  3. Edward Henjyoji, MDPlastic and Reconstructive Surgery Physician1790855120
  4. Cuauhtemoc Magana, MDAnatomic Pathology & Clinical Pathology Physician1982996294
  5. Brian Slywka, M.D.Plastic Surgery Physician1407903354
  6. William Stivelman, M.D.Ophthalmology Physician1114963824

Verify Joshua Isaac Segal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A131910    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): 92.8 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 score92.8
  2. Costout of 100 · 30%76.8
  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 one group practice

  1. Glover, Kelty And Schultheis MdsThousand Oaks, CA

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

Anatomic Pathology & Clinical Pathology Physician providers in California

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

All 1,554 in California → Every provider in Thousand Oaks →

Other anatomic pathology & clinical pathology physician records in California

  1. Sophie Aalaei, M.D.San Diego, CA1558454207
  2. Abdul Majeed Abid, MBBS, MDClovis, CA1578055414
  3. Ronnie Abraham, MDSan Luis Obispo, CA1124254933
  4. Joline Abrahams, M.D.Palm Springs, CA1679567366
  5. Guillermo Acero, MDOjai, CA1629144373
  6. Dennis Adams, M.D.Stanford, CA1053726182
  7. Alaa Afify, M.D.Sacramento, CA1245212950
  8. Ali Afsari, M.D.Orange, CA1275064362
  9. Mukesh AgarwalColton, CA1154901056
  10. Maryam Aghighi, MDSanta Rosa, CA1073074977

Common questions

What is Joshua Isaac Segal, M.D.'s NPI number?

Joshua Isaac Segal, M.D.'s National Provider Identifier (NPI) is 1144665951, issued on May 7, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Joshua Isaac Segal, M.D. located?

The NPPES record lists a practice address at 351 Rolling Oaks Dr, Thousand Oaks, CA, 91361. Phone: (805) 373-8582. Providers update this record themselves, so call before visiting.

How can I verify Joshua Isaac Segal, M.D.'s license?

NPPES lists California license number A131910, 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 Joshua Isaac Segal, M.D.'s MIPS final score?

The 2023 MIPS final score is 92.8 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.

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.