NPPES file of Aug 9, 2026

Thomas James Colivas, P.A.

Physician Assistant · San Fernando, CA

Thomas James Colivas, P.A. is a physician assistant with a practice address in San Fernando, California, and NPI 1598966079, issued on May 30, 2007. Check the license (California PA113333, as entered in NPPES) with the California board that licenses this profession; 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
1598966079
Name
Thomas James Colivas
Credential
P.A.
Primary taxonomy
Physician Assistant 363A00000X
License number
PA113333 CA
Self-reported in NPPES; status is on the state search
Practice location
211 S Maclay Ave, San Fernando, CA 91340
Phone
(818) 700-1250
Enumerated
May 30, 2007
Record last updated
Mar 7, 2023
Medicare enrollment
Enrolled (PECOS I20100518000080); accepts Medicare assignment
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 211 S Maclay Ave

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

  1. Peter Nelson, PAPhysical Therapist1700096880
  2. Anthony Taylor, P.A.Physician Assistant1205030533
  3. Jose Trujillo, P.A.Physician Assistant1962604611
  4. Munir Uwaydah, MDPediatric Orthopaedic Surgery Physician1770793853

Verify Thomas James Colivas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA113333
    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
Find 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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25% more Medicare Part D claims than the average physician assistant in 2024

1,041 Medicare Part D claims for 230 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 38 claims were for opioids.

  1. Thomas Colivas1,041
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium49 claims
  2. Levothyroxine Sodium46 claims
  3. Gabapentin43 claims
  4. Amlodipine Besylate38 claims
  5. Losartan Potassium31 claims
  6. Rosuvastatin Calcium31 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.

Bills Medicare through one group practice

  1. Shingletown Medical CenterShingletown, CA

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

Thomas James Colivas among 14,451 physician assistant records in California

Thomas James Colivas, P.A. is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.

  • NPI issued2007 · 13% of these records are older, 78% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1982 · median 2018 among the 7,214 with a school on file
  • Record last updated2023 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 physician assistant records list a practice address in San Fernando

They are 11 of the 684 NPPES records with a practice address in San Fernando, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Fatemeh AnariSan Fernando, CA 913401194471508
  2. Stephanie CamposSan Fernando, CA 913401386354108
  3. Veronica Chicco, PASan Fernando, CA 913401285367458
  4. Shalini Desai, PASan Fernando, CA 913401093449589
  5. Ernie HernandezSan Fernando, CA 913401306471560
  6. Ana Pena, P.A.San Fernando, CA 913401013285154
  7. Sarah Schwartz, PA-CSan Fernando, CA 913401841608288
  8. Alejandro Tamayo, PA-CSan Fernando, CA 913401346692027

Common questions

What is Thomas James Colivas, P.A.'s NPI number?

Thomas James Colivas, P.A.'s National Provider Identifier (NPI) is 1598966079, issued on May 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas James Colivas, P.A. located?

The NPPES record lists a practice address at 211 S Maclay Ave, San Fernando, CA, 91340. Phone: (818) 700-1250. Providers update this record themselves, so call before visiting.

How can I verify Thomas James Colivas, P.A.'s license?

NPPES lists California license number PA113333, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Thomas James Colivas, P.A. prescribe under Medicare Part D?

In 2024, Thomas James Colivas, P.A. had 1,041 Medicare Part D claims for 230 beneficiaries; the average among physician assistant prescribers was 830. 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.