Leslie Merken, P.T.
Orthopedic Physical Therapist · Walnut Creek, CA
Leslie Merken, P.T. is an orthopedic physical therapist with a practice address in Walnut Creek, California, and NPI 1700985215, issued on Sep 21, 2006. Check the license (California PT18456, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Leslie Merken
- Credential
- P.T.
- Primary taxonomy
- Orthopedic Physical Therapist 2251X0800X
- License number
- PT18456 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2405 Shadelands Dr, Walnut Creek, CA 94598
- Phone
- (925) 939-8585
- Enumerated
- Sep 21, 2006
- Record last updated
- Jan 14, 2022
- Fax
- (925) 933-2709
- Medicare enrollment
- Enrolled (PECOS I20040427001726); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopedic physical therapist records → All 1,641 in California → Look up another NPI →
Also registered at 2405 Shadelands Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Divya Anand, PHYSICAL THERAPISTPhysical Therapist1801989272
- David Arakawa, P.T.Orthopedic Physical Therapist1114955820
- Kevin Byrne, PASurgical Physician Assistant1306499272
- Michael Cadette, PA-CPhysician Assistant1689075236
- Leo Calafi, MDOrthopaedic Surgery Physician1720079072
- Michael Chang, D.O.Pain Medicine (Physical Medicine & Rehabilitation) Physician1205934262
Verify Leslie Merken in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PT18456Check 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
- Permanente Medical Group IncMartinez, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Leslie Merken among 1,641 orthopedic physical therapist records in California
Leslie Merken, P.T. is one of 1,641 orthopedic physical therapist records with a practice address in California. 42% 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, 82% newer
- In a Medicare fileYes · 42% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated1992 · median 2013 among the 703 with a school on file
- Record last updated2022 · 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 2251X0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopedic Physical Therapist providers in California
There are 1,641 orthopedic physical therapist records in California.
All 1,641 in California → Every provider in Walnut Creek → Orthopedic Physical Therapist nationwide →
The 8 orthopedic physical therapist records with the nearest ZIP codes
- David Arakawa, P.T.Walnut Creek, CA 945981114955820
- Toral Desai, P.T.Walnut Creek, CA 945981235361445
- Bronwyn Fevaleaki, P.T.Walnut Creek, CA 945981922379940
- Terri Halstenrud, P.T.Walnut Creek, CA 945981306874417
- Christa Hattich, P.T.Walnut Creek, CA 945981669417275
- Julie Knadle, P.T.Walnut Creek, CA 945981407892961
- Joyce Richardson, P.T.Walnut Creek, CA 945981649208414
- Legson Sayo, R.P.T.Walnut Creek, CA 945981417167610
Common questions
What is Leslie Merken, P.T.'s NPI number?
Leslie Merken, P.T.'s National Provider Identifier (NPI) is 1700985215, issued on Sep 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leslie Merken, P.T. located?
The NPPES record lists a practice address at 2405 Shadelands Dr, Walnut Creek, CA, 94598. Phone: (925) 939-8585. Providers update this record themselves, so call before visiting.
How can I verify Leslie Merken, P.T.'s license?
NPPES lists California license number PT18456, 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.