MIKE MARSH OTR/L, CHT
NPI 1437120938
Occupational Therapist - Hand in San Leandro, CA
About Mike Marsh Otr/l, Cht NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIKE MARSH OTR/L, CHT (NPI 1437120938) is an individual hand provider in San Leandro, California, licensed in California (OT 2257) and active in the NPI registry since February 2006. He is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mike Marsh Otr/l, Cht is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Mike Marsh reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Leandro, CA 94578
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN LEANDRO, CA 94578
SAN LEANDRO, CA 94578
SAN LEANDRO, CA 94578
SAN LEANDRO, CA 94578
SAN LEANDRO, CA 94578
SAN LEANDRO, CA 94578
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mike Marsh's NPI number?
The NPI number for Mike Marsh is 1437120938. It was assigned to this individual provider in the NPPES registry on February 1, 2006.
Where is Mike Marsh located?
Mike Marsh practices at 13690 E 14th St Suite# 200, San Leandro, CA 94578. The listed phone number is (510) 895-5511.
What is Mike Marsh's specialty?
The primary specialty registered for this NPI is Occupational Therapist, specializing in Hand, with taxonomy code 225XH1200X.
Is Mike Marsh enrolled in Medicare?
Yes. Mike Marsh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mike Marsh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mike Marsh reassigns Medicare benefits to 2 organizations: East Bay Hand Medical Center, Inc (San Leandro, CA) and (CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mike Marsh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mike Marsh was last updated on May 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mike Marsh, OTR/L, CHT · NPI 1437120938
Hand provider in San Leandro, California. Individual provider, active in the CMS NPPES registry since February 1, 2006.
## Identity
- **NPI:** 1437120938 (Entity type: Individual)
- **Enumerated:** February 1, 2006
- **Primary specialty:** Occupational Therapist - Hand · taxonomy 225XH1200X
- **State license:** OT 2257 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 13690 E 14TH ST, SUITE# 200, San Leandro, CA 94578-2582
- **Phone:** (510) 895-5511 · **Fax:** (510) 895-5513
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): East Bay Hand Medical Center, Inc (NPI 1003305236, San Leandro, CA); (CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** May 7, 2008
- **Other identifiers:** Other ZZZ31100Z (CA); Medicare UPIN Q26577 (CA); Other ZZZ04670Z (CA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1437120938) · Data from the CMS NPPES public registry.