Robert D. Winkler, PTA
Physical Therapy Assistant · Stanford, CA
Robert D. Winkler, PTA is a physical therapy assistant with a practice address in Stanford, California, and NPI 1689888190, issued on May 10, 2007. Check the license (California AT 1809, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Robert D. Winkler
- Credential
- PTA
- Primary taxonomy
- Physical Therapy Assistant 225200000X
- License number
- AT 1809 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-6701
- Enumerated
- May 10, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physical therapy assistant records → All 3,554 in California → Look up another NPI →
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Verify Robert D. Winkler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license AT 1809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Robert D. Winkler among 3,554 physical therapy assistant records in California
Robert D. Winkler, PTA is one of 3,554 physical therapy assistant records with a practice address in California. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 4% of them.
- NPI issued2007 · 4% of these records are older, 91% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Therapy Assistant providers in California
There are 3,554 physical therapy assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,554 in California → Every provider in Stanford → Physical Therapy Assistant nationwide →
The 8 physical therapy assistant records with the nearest ZIP codes
- Niloofar MehdipourStanford, CA 943051952177628
- Judy Sorey, PTAStanford, CA 943051407069800
- Marichelle TomasStanford, CA 943051770794547
- Helena Walden, PTAStanford, CA 943051255515854
- Jason AndersonPalo Alto, CA 943041376071290
- Vivian AuPalo Alto, CA 943041023393303
- Marie DraxtonPalo Alto, CA 943061659481380
- Emerald Tracy EusebioPalo Alto, CA 943061598324808
Common questions
What is Robert D. Winkler, PTA's NPI number?
Robert D. Winkler, PTA's National Provider Identifier (NPI) is 1689888190, issued on May 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert D. Winkler, PTA located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-6701. Providers update this record themselves, so call before visiting.
How can I verify Robert D. Winkler, PTA's license?
NPPES lists California license number AT 1809, 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. 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.