Spencer K. Isa, DPT
Physical Therapist · Thousand Oaks, CA
Spencer K. Isa, DPT is a physical therapist with a practice address in Thousand Oaks, California, and NPI 1063382216, issued on Nov 11, 2025. Check the license (California PT309156, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Spencer K. Isa
- Credential
- DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT309156 CA
Self-reported in NPPES; status is on the state search - Practice location
- 550 Saint Charles Dr Ste 100, Thousand Oaks, CA 91360
- Phone
- (805) 777-1023
- Enumerated
- Nov 11, 2025
- Record last updated
- Nov 11, 2025
- Fax
- (888) 506-7977
- Medicare enrollment
- Enrolled (PECOS I20260209000844); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 22,531 in California → Look up another NPI →
Also registered at 550 Saint Charles Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica 'Autumn' Kramer, DPTPhysical Therapist1003786260
- Ashley Miller, DPTPhysical Therapist1326542861
- Russell Nakajima, OTR/LHand Occupational Therapist1063298164
Verify Spencer K. Isa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PT309156Check 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
- Telesis Physical Therapy IncThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Spencer K. Isa among 22,531 physical therapist records in California
Spencer K. Isa, 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 2025, is newer than 92% of them.
- NPI issued2025 · 92% of these records are older, 3% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated2025 · median 2017 among the 7,751 with a school on file
- Record last updated2025 · 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).
107 physical therapist records list a practice address in Thousand Oaks
They are 107 of the 2,434 NPPES records with a practice address in Thousand Oaks, and 22,531 physical therapist records in California.
All 22,531 in California → Every provider in Thousand Oaks → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Rebecca Anders, MPTThousand Oaks, CA 913601811037534
- Nadine Bartley, RPTThousand Oaks, CA 913601306880620
- Bernard Budnik, P.T.Thousand Oaks, CA 913601174549885
- Jeffrey Cooper, RPTThousand Oaks, CA 913601750317517
- Patrick Cotter, MA, MPT, DPTThousand Oaks, CA 913601417097130
- Derrick Isa, MPT, DPTThousand Oaks, CA 913601669512372
- James Johnson, P.T.Thousand Oaks, CA 913601154341899
- Melinda Klein, M.P.T.Thousand Oaks, CA 913601962425959
Common questions
What is Spencer K. Isa, DPT's NPI number?
Spencer K. Isa, DPT's National Provider Identifier (NPI) is 1063382216, issued on Nov 11, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Spencer K. Isa, DPT located?
The NPPES record lists a practice address at 550 Saint Charles Dr Ste 100, Thousand Oaks, CA, 91360. Phone: (805) 777-1023. Providers update this record themselves, so call before visiting.
How can I verify Spencer K. Isa, DPT's license?
NPPES lists California license number PT309156, 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.