William Marshall Gabriel, D.P.T.
Physical Therapist · Costa Mesa, CA
William Marshall Gabriel, D.P.T. is a physical therapist with a practice address in Costa Mesa, California, and NPI 1396845988, issued on Sep 23, 2006. Check the license (California 29998, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William Marshall Gabriel
- Credential
- D.P.T.
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 29998 CA
Self-reported in NPPES; status is on the state search - Practice location
- 485 E 17TH St, Costa Mesa, CA 92627
- Phone
- (949) 722-7374
- Enumerated
- Sep 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050311000465); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 22,531 in California → Look up another NPI →
Also registered at 485 E 17TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsay StadlerPhysical Therapist1144778960
- Tao Sun, D.D.S.Dentist1922218510
Verify William Marshall Gabriel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 29998Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 83 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- California Therapy SolutionsCosta Mesa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Marshall Gabriel among 22,531 physical therapist records in California
William Marshall Gabriel, D.P.T. 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 84% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated2004 · median 2017 among the 7,751 with a school on file
- Record last updated2007 · 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).
128 physical therapist records list a practice address in Costa Mesa
They are 128 of the 4,286 NPPES records with a practice address in Costa Mesa, and 22,531 physical therapist records in California.
All 22,531 in California → Every provider in Costa Mesa → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Jessica Amling, P.T.Costa Mesa, CA 926271497984876
- Jason Anderson, PTCosta Mesa, CA 926271639319924
- Aaron Berger, PTCosta Mesa, CA 926271265767198
- Sarah Gilliland, DPTCosta Mesa, CA 926271972743219
- Jasmene Jarrett, MPTCosta Mesa, CA 926271205812203
- Chad Jarrett, PTCosta Mesa, CA 926271528044302
- Rachna Lalonde, MPTCosta Mesa, CA 926271881814176
- Suzanne Lewis, PTCosta Mesa, CA 926271477601722
Common questions
What is William Marshall Gabriel, D.P.T.'s NPI number?
William Marshall Gabriel, D.P.T.'s National Provider Identifier (NPI) is 1396845988, issued on Sep 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Marshall Gabriel, D.P.T. located?
The NPPES record lists a practice address at 485 E 17TH St, Costa Mesa, CA, 92627. Phone: (949) 722-7374. Providers update this record themselves, so call before visiting.
How can I verify William Marshall Gabriel, D.P.T.'s license?
NPPES lists California license number 29998, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is William Marshall Gabriel, D.P.T.'s MIPS final score?
The 2023 MIPS final score is 83 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.