Gwendolyn Alden, PT
Physical Therapist · San Marcos, CA
Gwendolyn Alden, PT is a physical therapist with a practice address in San Marcos, California, and NPI 1447583067, issued on Sep 15, 2009. Check the license (California PT35685, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwendolyn Alden
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- PT35685 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1482 LA Mirada Dr, San Marcos, CA 92078
- Phone
- (619) 373-6100
- Enumerated
- Sep 15, 2009
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160302000681); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 22,531 in California → Look up another NPI →
Also registered at 1482 LA Mirada Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alyssa Siljendahl, PTPhysical Therapist1154185726
- Mitchell Vandel-Holm, PT, DPT, ATC, CSCSPhysical Therapist1700432101
Verify Gwendolyn Alden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PT35685Check 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
- Healthwest Physical Therapy IncSan Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gwendolyn Alden among 22,531 physical therapist records in California
Gwendolyn Alden, PT 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 2009, is newer than 31% of them.
- NPI issued2009 · 31% of these records are older, 67% newer
- In a Medicare fileYes · 32% of these records are
- In the CMS Doctors and Clinicians fileYes · 34% of these records are
- Graduated1996 · 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
- Christopher Ambrose, M.P.T.San Marcos, CA 920781114977535
- James Bailey, DPTSan Marcos, CA 920781457621096
- David Baker, D.P.TSan Marcos, CA 920781831359132
- Robin Berthelet, PTSan Marcos, CA 920781275501843
- Ashley Garber, D.P.T.San Marcos, CA 920781760431753
- Elizabeth Hansen, D.P.T.San Marcos, CA 920781588856801
- Conan Lee, PTSan Marcos, CA 920781629096102
- Andrea McCuskey, PT, MS, OCSSan Marcos, CA 920781407008865
Common questions
What is Gwendolyn Alden, PT's NPI number?
Gwendolyn Alden, PT's National Provider Identifier (NPI) is 1447583067, issued on Sep 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gwendolyn Alden, PT located?
The NPPES record lists a practice address at 1482 LA Mirada Dr, San Marcos, CA, 92078. Phone: (619) 373-6100. Providers update this record themselves, so call before visiting.
How can I verify Gwendolyn Alden, PT's license?
NPPES lists California license number PT35685, 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.