AMSURG MARIN ANESTHESIA LP
NPI 1972929925
Anesthesiology in Greenbrae, CA
About Amsurg Marin Anesthesia Lp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMSURG MARIN ANESTHESIA LP (NPI 1972929925) is a healthcare organization registered as an anesthesiology in Greenbrae, California and active in the NPI registry since March 2014. The organization lists Phillip Clendenin, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Amsurg Marin Anesthesia Lp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
37Medicare enrollment records show 37 clinicians reassign Medicare billing to Amsurg Marin Anesthesia LP, which bills Medicare for the services they deliver. Of these, 5 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 2
Nearest to this location (20)
See all 37Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Amsurg Marin Anesthesia LP's NPI number?
The NPI number for Amsurg Marin Anesthesia LP is 1972929925. It was assigned to this organization in the NPPES registry on March 14, 2014.
Where is Amsurg Marin Anesthesia LP located?
Amsurg Marin Anesthesia LP is located at 1100 South Elisco Drive Suite 3, Greenbrae, CA 94904. The listed phone number is (415) 464-0606.
What is Amsurg Marin Anesthesia LP's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Amsurg Marin Anesthesia LP enrolled in Medicare?
Yes. Amsurg Marin Anesthesia LP is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Amsurg Marin Anesthesia LP?
According to the CMS Revalidation Reassignment List (October 2026 release), 37 clinicians in 2 Medicare specialties reassign their Medicare billing to Amsurg Marin Anesthesia LP. A 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 the clinician's services. The largest specialties are Certified Registered Nurse Anesthetist (CRNA) (36) and Anesthesiology (1). Of these, 5 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Amsurg Marin Anesthesia LP was last updated on September 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Amsurg Marin Anesthesia Lp · NPI 1972929925
Anesthesiology organization in Greenbrae, California. Organization record, active in the CMS NPPES registry since March 14, 2014.
## Identity
- **NPI:** 1972929925 (Entity type: Organization)
- **Enumerated:** March 14, 2014
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **Organization subpart:** No
- **Authorized official:** Phillip Clendenin, PRESIDENT
## Practice location
- **Address:** 1100 SOUTH ELISCO DRIVE, SUITE 3, Greenbrae, CA 94904-2017
- **Phone:** (415) 464-0606 · **Fax:** (415) 646-0644
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 37 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Certified Registered Nurse Anesthetist (CRNA) (36), Anesthesiology (1); 5 practice within 10 miles; [full list](https://npiprofile.com/npi/1972929925/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1972929925) · Data from the CMS NPPES public registry.