Kathryn Loraine Doubleday, DPT
Physical Therapist · Ojai, CA
Kathryn Loraine Doubleday, DPT is a physical therapist with a practice address in Ojai, California, and NPI 1457440323, issued on Oct 11, 2006. Check the license (California PT 21163, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Loraine Doubleday
- Credential
- DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT 21163 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11420 N Ventura Ave, Ojai, CA 93023
- Phone
- (805) 649-8849
- Enumerated
- Oct 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (805) 649-8840
- Medicare enrollment
- Enrolled (PECOS I20150121002373); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 22,531 in California → Look up another NPI →
Also registered at 11420 N Ventura Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jan Key, SLPSpeech-Language Pathologist1710056767
Verify Kathryn Loraine Doubleday in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PT 21163Check 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Ojai Physical Therapy Specialists IncOjai, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Loraine Doubleday among 22,531 physical therapist records in California
Kathryn Loraine Doubleday, 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 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).
9 physical therapist records list a practice address in Ojai
They are 9 of the 271 NPPES records with a practice address in Ojai, and 22,531 physical therapist records in California.
All 22,531 in California → Every provider in Ojai → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Anna Kotula, DPTOjai, CA 930231902868516
- Carol Leandro, PTOjai, CA 930231467475020
- Kayla McMullenOjai, CA 930231437867835
- Brian Murphy, DPTOjai, CA 930231275793762
- Jason Saltis, PTOjai, CA 930231669652392
- Joanna Schindel, PTOjai, CA 930231053334706
- Daniel Swanner, MA, PTOjai, CA 930231952354409
- Kaitlin Walters, DPTOjai, CA 930231154843852
Common questions
What is Kathryn Loraine Doubleday, DPT's NPI number?
Kathryn Loraine Doubleday, DPT's National Provider Identifier (NPI) is 1457440323, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Loraine Doubleday, DPT located?
The NPPES record lists a practice address at 11420 N Ventura Ave, Ojai, CA, 93023. Phone: (805) 649-8849. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Loraine Doubleday, DPT's license?
NPPES lists California license number PT 21163, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
What is Kathryn Loraine Doubleday, DPT's MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.