NPPES file of Aug 9, 2026

Thomas J. Clark, D.O.

Neurology Physician · Santa Barbara, CA

Thomas J. Clark, D.O. is a neurology physician with a practice address in Santa Barbara, California, and NPI 1437190576, issued on Jun 9, 2006. Check the license (California 20A8621, 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
1437190576
Name
Thomas J. Clark
Credential
D.O.
Primary taxonomy
Neurology Physician 2084N0400X
License number
20A8621 CA
Self-reported in NPPES; status is on the state search
Practice location
2403 Castillo St, Santa Barbara, CA 93105
Phone
(805) 823-6688
Enumerated
Jun 9, 2006
Record last updated
Jan 21, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(805) 617-1743
Medicare enrollment
Enrolled (PECOS I20211012000252); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 1991
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 2403 Castillo St

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

  1. Thomas Aguirre, M.D.Gastroenterology Physician1285772004
  2. Richard Belkin, MDPulmonary Disease Physician1659380178
  3. Rachel Catevenis, PA-CPhysician Assistant1225583735
  4. Tamir Keshen, MDPediatric Surgery Physician1831115054
  5. William Kincannon, M.D.Specialist1255373874
  6. Brent Kovacs, MDGastroenterology Physician1730296542

Verify Thomas J. Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8621
    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): 79.5 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 score67.2
  2. Costout of 100 · 30%55.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  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. Hackensack Meridian Health Medical Group - Specialty Care PCRed Bank, NJ

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

Thomas J. Clark among 2,339 neurology physician records in California

Thomas J. Clark, D.O. is one of 2,339 neurology 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, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1991 · median 2006 among the 1,628 with a school on file
  • Record last updated2015 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Linda Chen, MDSanta Barbara, CA 931051629105069
  2. Charles Curatalo, M.D.Santa Barbara, CA 931051851345508
  3. Karen Dasilva, MDSanta Barbara, CA 931051831366046
  4. Philip Delio, M.D.Santa Barbara, CA 931051255358156
  5. David Frecker, M.D.Santa Barbara, CA 931051194745067
  6. Paul Gertler, M.D.Santa Barbara, CA 931051710095229
  7. Robert Harbaugh, M.D.Santa Barbara, CA 931051871513747
  8. Kevin Kapadia, M.D.Santa Barbara, CA 931051255565875

Common questions

What is Thomas J. Clark, D.O.'s NPI number?

Thomas J. Clark, D.O.'s National Provider Identifier (NPI) is 1437190576, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas J. Clark, D.O. located?

The NPPES record lists a practice address at 2403 Castillo St, Santa Barbara, CA, 93105. Phone: (805) 823-6688. Providers update this record themselves, so call before visiting.

How can I verify Thomas J. Clark, D.O.'s license?

NPPES lists California license number 20A8621, 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 Thomas J. Clark, D.O.'s MIPS final score?

The 2023 MIPS final score is 79.5 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.