ERYNN ANNE BEESON MD
NPI 1932739877
Internal Medicine - Hospice and Palliative Medicine in Mill Valley, CA
About Erynn Anne Beeson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERYNN ANNE BEESON MD (NPI 1932739877) is an individual hospice and palliative medicine provider in Mill Valley, California, licensed in California (A202684) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Oregon Health Sciences University School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Erynn Anne Beeson Md 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 Erynn Beeson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 213 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 339 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Erynn Beeson's NPI number?
The NPI number for Erynn Beeson is 1932739877. It was assigned to this individual provider in the NPPES registry on January 20, 2020.
Where is Erynn Beeson located?
Erynn Beeson practices at 23 Reed Blvd Ste 120, Mill Valley, CA 94941. The listed phone number is (415) 795-7000.
What is Erynn Beeson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.
Is Erynn Beeson enrolled in Medicare?
Yes. Erynn Beeson 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 Erynn Beeson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erynn Beeson reassigns Medicare benefits to 2 organizations: Pacific Inpatient Medical Group (San Francisco, CA) and Regents Univ Of California Ucsf (San Francisco, 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 Erynn Beeson'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 Erynn Beeson was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.
# Erynn Anne Beeson, MD · NPI 1932739877
Hospice and Palliative Medicine physician in Mill Valley, California. Individual provider, active in the CMS NPPES registry since January 20, 2020.
## Identity
- **NPI:** 1932739877 (Entity type: Individual)
- **Enumerated:** January 20, 2020
- **Primary specialty:** Internal Medicine - Hospice and Palliative Medicine · taxonomy 207RH0002X
- **State license:** A202684 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 23 REED BLVD STE 120, Mill Valley, CA 94941-2370
- **Phone:** (415) 795-7000 · **Fax:** (628) 240-2154
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Pacific Inpatient Medical Group (NPI 1447447248, San Francisco, CA); Regents Univ Of California Ucsf (NPI 1124439807, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** September 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1932739877) · Data from the CMS NPPES public registry.