COLIN CHARLES ERIC WOMER
NPI 1306351812
Social Worker in San Francisco, CA
About Colin Charles Eric Womer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
COLIN CHARLES ERIC WOMER (NPI 1306351812) is an individual social worker in San Francisco, California, licensed in California (ASW89885) and active in the NPI registry since December 2017. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Colin Charles Eric Womer 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 Reassignment
Medicare enrollment records show Colin Womer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94111
- Reassigned Medicare billing, California enrollment
- 291 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94111
SAN FRANCISCO, CA 94111
SAN FRANCISCO, CA 94111
SAN FRANCISCO, CA 94111
SAN FRANCISCO, CA 94111
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 Colin Womer's NPI number?
The NPI number for Colin Womer is 1306351812. It was assigned to this individual provider in the NPPES registry on December 6, 2017.
Where is Colin Womer located?
Colin Womer practices at 1 Embarcadero Ctr Ste 1900, San Francisco, CA 94111. The listed phone number is (888) 663-6331.
What is Colin Womer's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Colin Womer enrolled in Medicare?
Yes. Colin Womer 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 organization bills Medicare for Colin Womer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Colin Womer reassigns Medicare benefits to One Medical Group, Inc. (San Francisco, CA). The 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 Colin Womer'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 Colin Womer was last updated on December 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Colin Charles Eric Womer · NPI 1306351812
Social Worker provider in San Francisco, California. Individual provider, active in the CMS NPPES registry since December 6, 2017.
## Identity
- **NPI:** 1306351812 (Entity type: Individual)
- **Enumerated:** December 6, 2017
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **State license:** ASW89885 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 EMBARCADERO CTR STE 1900, San Francisco, CA 94111-3723
- **Phone:** (888) 663-6331
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** One Medical Group, Inc. (NPI 1467781641, San Francisco, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** December 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1306351812) · Data from the CMS NPPES public registry.