NPPES file of Aug 9, 2026

Isaac Trout Tullis, PA

Physician Assistant · Modesto, CA

Isaac Trout Tullis, PA is a physician assistant with a practice address in Modesto, California, and NPI 1326903824, issued on Dec 17, 2025. Check the license (California PA67721, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326903824
Name
Isaac Trout Tullis
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA67721 CA
Self-reported in NPPES; status is on the state search
Practice location
1409 E Briggsmore Ave, Modesto, CA 95355
Phone
(209) 544-6088
Enumerated
Dec 17, 2025
Record last updated
Jun 29, 2026
Medicare enrollment
Enrolled (PECOS I20260508002972); 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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8 nearest physician assistant records → All 14,451 in California → Look up another NPI →

Also registered at 1409 E Briggsmore Ave

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

  1. Rodolfo Agbunag, MDSurgery Physician1316995111
  2. Robert Altman, MDObstetrics & Gynecology Physician1447200860
  3. Shawna Avery, OTCOther Technician1477613883
  4. James Balmanno, OTCOther Technician1912074568
  5. Sean Betesh, DPMPodiatrist1982023842
  6. David Boone, PA-CMedical Physician Assistant1861895278

Verify Isaac Trout Tullis 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 PA67721    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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Bills Medicare through one group practice

  1. Sutter Valley Medical FoundationModesto, CA

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

Isaac Trout Tullis among 14,451 physician assistant records in California

Isaac Trout Tullis, PA 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 2025, is newer than 93% of them.

  • NPI issued2025 · 93% of these records are older, 3% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2025 · median 2018 among the 7,214 with a school on file
  • Record last updated2026 · 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).

122 physician assistant records list a practice address in Modesto

They are 122 of the 9,262 NPPES records with a practice address in Modesto, and 14,451 physician assistant records in California.

All 14,451 in California → Every provider in Modesto → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Kevin Bixel, PAModesto, CA 953551063403376
  2. John Cercado, PAModesto, CA 953551497940407
  3. Stephen Fall, PA-CModesto, CA 953551760594154
  4. Jason Gonzalez, PA-CModesto, CA 953551447317201
  5. Shelley Lung, PAModesto, CA 953551790818557
  6. Mark Madsen, PAModesto, CA 953551407805757
  7. Monica Marple, P.A.-CModesto, CA 953551265531297
  8. Meridith McCurdy-Yeoman, PACModesto, CA 953551821110586

Common questions

What is Isaac Trout Tullis, PA's NPI number?

Isaac Trout Tullis, PA's National Provider Identifier (NPI) is 1326903824, issued on Dec 17, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Isaac Trout Tullis, PA located?

The NPPES record lists a practice address at 1409 E Briggsmore Ave, Modesto, CA, 95355. Phone: (209) 544-6088. Providers update this record themselves, so call before visiting.

How can I verify Isaac Trout Tullis, PA's license?

NPPES lists California license number PA67721, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.

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.