J. Gray O'Brien, MSPT
Physical Therapist · Santa Monica, CA
J. Gray O'Brien, MSPT is a physical therapist with a practice address in Santa Monica, California, and NPI 1336246750, issued on Sep 20, 2006. Check the license (California PT25009, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- J. Gray O'Brien
- Credential
- MSPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT25009 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Wilshire BL., Santa Monica, CA 90403
- Phone
- (310) 828-6454
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 828-2001
- Medicare enrollment
- Enrolled (PECOS I20090317000302); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 22,531 in California → Look up another NPI →
Also registered at 2121 Wilshire BL.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ricardo Lopez, RPTPhysical Therapist1598862922
Verify J. Gray O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PT25009Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University Foot And Ankle Institute A Podiatric Surgical CenterSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
J. Gray O'Brien among 22,531 physical therapist records in California
J. Gray O'Brien, MSPT 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
- Graduated1995 · 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).
191 physical therapist records list a practice address in Santa Monica
They are 191 of the 5,151 NPPES records with a practice address in Santa Monica, and 22,531 physical therapist records in California.
All 22,531 in California → Every provider in Santa Monica → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Bernadette Currier, PT DPT NCSSanta Monica, CA 904031942253562
- Celia Demayo, MPTSanta Monica, CA 904031871546044
- Kim Finklestein, MPTSanta Monica, CA 904031760407357
- Julie Guthrie, PT DPTSanta Monica, CA 904031902859143
- Rebecca Kern, PT DPT OCSSanta Monica, CA 904031508819285
- Sue Klein, PTSanta Monica, CA 904031356394506
- Irene Lacaillade, DPTSanta Monica, CA 904031134289259
- Ricardo Lopez, RPTSanta Monica, CA 904031598862922
Common questions
What is J. Gray O'Brien, MSPT's NPI number?
J. Gray O'Brien, MSPT's National Provider Identifier (NPI) is 1336246750, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is J. Gray O'Brien, MSPT located?
The NPPES record lists a practice address at 2121 Wilshire BL., Santa Monica, CA, 90403. Phone: (310) 828-6454. Providers update this record themselves, so call before visiting.
How can I verify J. Gray O'Brien, MSPT's license?
NPPES lists California license number PT25009, 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.
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.