NPPES file of Aug 9, 2026

Derek Ludwig, PT, DPT

Physical Therapist · Lafayette, CA

Derek Ludwig, PT, DPT is a physical therapist with a practice address in Lafayette, California, and NPI 1942189576, issued on Aug 28, 2025. Check the license (California 308551, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942189576
Name
Derek Ludwig
Credential
PT, DPT
Primary taxonomy
Physical Therapist 225100000X
License number
308551 CA
Self-reported in NPPES; status is on the state search
Practice location
3658 Mt Diablo Blvd Ste 100, Lafayette, CA 94549
Phone
(925) 284-6150
Enumerated
Aug 28, 2025
Record last updated
Aug 28, 2025
Fax
(925) 284-6155
Medicare enrollment
Enrolled (PECOS I20250911002117); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3658 Mt Diablo Blvd Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jordan Bomba, PTPhysical Therapist1356050090
  2. Emily Hockenbery, PTPhysical Therapist1245115286
  3. Emma Marchant, PTPhysical Therapist1902670193
  4. Caitlyn Ortenberg, PTPhysical Therapist1467135046
  5. Aneta Raczynska, PTPhysical Therapist1396477907
  6. Shawn Rigdon, DPTPhysical Therapist1720745862

Verify Derek Ludwig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 308551
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Lafayette Physical Therapy IncLafayette, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Derek Ludwig among 22,531 physical therapist records in California

Derek Ludwig, PT, 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).

46 physical therapist records list a practice address in Lafayette

They are 46 of the 736 NPPES records with a practice address in Lafayette, and 22,531 physical therapist records in California.

The 8 physical therapist records with the nearest ZIP codes

  1. Josiah Anderson, DPTLafayette, CA 945491306885413
  2. Justin Daughtry, PTLafayette, CA 945491144373804
  3. Theodore Glattke, P.T.Lafayette, CA 945491033221551
  4. Carrie Haraburda, M.S.P.T.Lafayette, CA 945491881706810
  5. Stuart Harris, P.T.Lafayette, CA 945491841271061
  6. William Kievning, PHYSICAL THERAPISTLafayette, CA 945491134230378
  7. Steven MarcinkowskiLafayette, CA 945491225037625
  8. Eugene MedinaLafayette, CA 945491124130273

Common questions

What is Derek Ludwig, PT, DPT's NPI number?

Derek Ludwig, PT, DPT's National Provider Identifier (NPI) is 1942189576, issued on Aug 28, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Derek Ludwig, PT, DPT located?

The NPPES record lists a practice address at 3658 Mt Diablo Blvd Ste 100, Lafayette, CA, 94549. Phone: (925) 284-6150. Providers update this record themselves, so call before visiting.

How can I verify Derek Ludwig, PT, DPT's license?

NPPES lists California license number 308551, 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.