SAMUEL E ADAMS MD
NPI 1497785034
Hospitalist in Greenbrae, CA
About Samuel E Adams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL E ADAMS MD (NPI 1497785034) is an individual hospitalist provider in Greenbrae, California, licensed in California (A92958) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2001).
NPPES Registry Identity
Specialties & Licenses 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
Samuel E Adams 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 Samuel Adams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenbrae, CA 94904
- Reassigned Medicare billing, California enrollment
- 962 clinicians in this Medicare group
Greenbrae, CA 94904
- Reassigned Medicare billing, California enrollment
- 82 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
GREENBRAE, CA 94904
GREENBRAE, CA 94904
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 Samuel Adams's NPI number?
The NPI number for Samuel Adams is 1497785034. It was assigned to this individual provider in the NPPES registry on July 3, 2006.
Where is Samuel Adams located?
Samuel Adams practices at 250 Bon Air Rd, Greenbrae, CA 94904. The listed phone number is (415) 925-4000.
What is Samuel Adams's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Samuel Adams enrolled in Medicare?
Yes. Samuel Adams 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 Samuel Adams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Adams reassigns Medicare benefits to 2 organizations: Galen Inpatient Physicians PC (Greenbrae, CA) and Marin Hospitalist Medical Group, Inc. (Greenbrae, 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 Samuel Adams'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 Samuel Adams was last updated on April 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Samuel E Adams, MD · NPI 1497785034
Hospitalist physician in Greenbrae, California. Individual provider, active in the CMS NPPES registry since July 3, 2006.
## Identity
- **NPI:** 1497785034 (Entity type: Individual)
- **Enumerated:** July 3, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A92958 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 BON AIR RD, Greenbrae, CA 94904-1702
- **Phone:** (415) 925-4000
## 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): Galen Inpatient Physicians PC (NPI 1841037850, Greenbrae, CA); Marin Hospitalist Medical Group, Inc. (NPI 1023041753, Greenbrae, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2001
## Record status
- **NPPES last updated:** April 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1497785034) · Data from the CMS NPPES public registry.