Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Paul S Gerstenfeld, MS, OTR/L, CHT

Individual provider Orthotic Fitter · NPI 1639269277

Paul S Gerstenfeld, MS, OTR/L, CHT is registered under Occupational Therapist in Private Practice in Santa Monica, California. Qualified in 2001, 25 years ago. Practices with Hands on OT, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Licensed in
CA
In the registry since
2006
Specialties on file
5
What do these letters mean?
MS — Master of Science
A graduate science degree.
OTR/L — Occupational Therapist, Registered and Licensed
An occupational therapist who is both nationally registered and state licensed.
CHT — Certified Hand Therapist
An occupational or physical therapist with advanced certification in hand and upper-limb rehabilitation.

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Practice location Address checks out

147 Bay St Unit 21
Santa Monica, CA 90405-1076 Not confirmed with CMS for 14 years — call before visiting
Phone: (310) 396-8565
Fax: (310) 396-0052
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hand Occupational Therapist (primary) Taxonomy 225XH1200X
Orthotic Fitter Taxonomy 225000000X
Occupational Therapist Taxonomy 225X00000X · Licence OT4713 (CA)
Ergonomics Occupational Therapist Taxonomy 225XE1200X
Neurorehabilitation Occupational Therapist Taxonomy 225XN1300X

Record details

NPI number1639269277
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , OTR/L , CHT
Sole proprietorNo
NPI enumeratedOctober 13, 2006
Last updated in NPPESMarch 7, 2012

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOCCUPATIONAL THERAPIST IN PRIVATE PRACTICE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Hands On Ot — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients116
Services billed 5,073 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Hands on OT

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Santa Monica