NPPES file of Aug 9, 2026

Garrett Robert Desrosiers, PT, DPT

Physical Therapist · San Marcos, CA

Garrett Robert Desrosiers, PT, DPT is a physical therapist with a practice address in San Marcos, California, and NPI 1679921084, issued on May 26, 2016. Check the license (California PT291404, 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
1679921084
Name
Garrett Robert Desrosiers
Credential
PT, DPT
Primary taxonomy
Physical Therapist 225100000X
License number
PT291404 CA
Self-reported in NPPES; status is on the state search
Practice location
137 S Las Posas RD Ste 254, San Marcos, CA 92078
Phone
(508) 789-9776
Enumerated
May 26, 2016
Record last updated
Feb 11, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190222000889); 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 physical therapist records → All 22,531 in California → Look up another NPI →

Also registered at 137 S Las Posas RD Ste 254

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

  1. Frank Alvarez, PT, DPTPhysical Therapist1861140337
  2. Jenna Bergmark, DPTPhysical Therapist1376115774
  3. Kayleigh Desrosiers, PT, DPTPhysical Therapist1689039349
  4. Marija Viria Estanislao, PT, DPTPhysical Therapist1679290951
  5. Demetrius Henning, PT, DPTPhysical Therapist1942915863
  6. Kaitlin Hobbs, PTLA, DPTPhysical Therapist1649050097

Verify Garrett Robert Desrosiers 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 PT291404    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. Proresults Physical Therapy IncSan Marcos, CA

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

Garrett Robert Desrosiers among 22,531 physical therapist records in California

Garrett Robert Desrosiers, PT, DPT is one of 22,531 physical therapist records with a practice address in California. 32% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 52% of them.

  • NPI issued2016 · 52% of these records are older, 44% newer
  • In a Medicare fileYes · 32% of these records are
  • In the CMS Doctors and Clinicians fileYes · 34% of these records are
  • Graduated2015 · median 2017 among the 7,751 with a school on file
  • Record last updated2021 · 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 225100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

92 physical therapist records list a practice address in San Marcos

They are 92 of the 1,985 NPPES records with a practice address in San Marcos, and 22,531 physical therapist records in California.

All 22,531 in California → Every provider in San Marcos → Physical Therapist nationwide →

The 8 physical therapist records with the nearest ZIP codes

  1. Gwendolyn Alden, PTSan Marcos, CA 920781447583067
  2. Christopher Ambrose, M.P.T.San Marcos, CA 920781114977535
  3. James Bailey, DPTSan Marcos, CA 920781457621096
  4. David Baker, D.P.TSan Marcos, CA 920781831359132
  5. Robin Berthelet, PTSan Marcos, CA 920781275501843
  6. Ashley Garber, D.P.T.San Marcos, CA 920781760431753
  7. Elizabeth Hansen, D.P.T.San Marcos, CA 920781588856801
  8. Conan Lee, PTSan Marcos, CA 920781629096102

Common questions

What is Garrett Robert Desrosiers, PT, DPT's NPI number?

Garrett Robert Desrosiers, PT, DPT's National Provider Identifier (NPI) is 1679921084, issued on May 26, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Garrett Robert Desrosiers, PT, DPT located?

The NPPES record lists a practice address at 137 S Las Posas RD Ste 254, San Marcos, CA, 92078. Phone: (508) 789-9776. Providers update this record themselves, so call before visiting.

How can I verify Garrett Robert Desrosiers, PT, DPT's license?

NPPES lists California license number PT291404, 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.