ALTA BATES SUMMIT MEDICAL CENTER - ALTA BATES CAMPUS
NPI 1639523004
General Acute Care Hospital in Berkeley, CA
About Alta Bates Summit Medical Center - Alta Bates Campus NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALTA BATES SUMMIT MEDICAL CENTER - ALTA BATES CAMPUS (NPI 1639523004) is a healthcare organization registered as a general acute care hospital in Berkeley, California and active in the NPI registry since April 2016. The organization lists John B. Gates, Cfo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 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)
Alta Bates Summit Medical Center - Alta Bates Campus is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
132Medicare enrollment records show 132 clinicians reassign Medicare billing to Alta Bates Summit Medical Center - Alta Bates Campus, which bills Medicare for the services they deliver. Of these, 4 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 15
Nearest to this location (20)
See all 132South San Francisco, CA 94080
Source: 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 Sutter Bay Hospitals's NPI number?
The NPI number for Sutter Bay Hospitals is 1639523004. It was assigned to this organization in the NPPES registry on April 21, 2016. The provider is doing business as Alta Bates Summit Medical Center - Alta Bates Campus.
Where is Sutter Bay Hospitals located?
Sutter Bay Hospitals is located at 2450 Ashby Avenue, Berkeley, CA 94705. The listed phone number is (510) 869-8837.
What is Sutter Bay Hospitals's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Sutter Bay Hospitals enrolled in Medicare?
Yes. Sutter Bay Hospitals is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sutter Bay Hospitals?
According to the CMS Revalidation Reassignment List (October 2026 release), 132 clinicians in 15 Medicare specialties reassign their Medicare billing to Sutter Bay Hospitals. 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 Nurse Practitioner (72), Obstetrics/Gynecology (12) and Certified Nurse Midwife (CNM) (11). Of these, 4 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 Sutter Bay Hospitals was last updated on April 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Alta Bates Summit Medical Center - Alta Bates Campus · NPI 1639523004
General Acute Care Hospital organization in Berkeley, California. Organization record, active in the CMS NPPES registry since April 21, 2016.
## Identity
- **NPI:** 1639523004 (Entity type: Organization)
- **Enumerated:** April 21, 2016
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Legal business name:** Sutter Bay Hospitals
- **Organization subpart:** No
- **Authorized official:** John Gates, CFO
## Practice location
- **Address:** 2450 ASHBY AVENUE, Berkeley, CA 94705-2067
- **Phone:** (510) 869-8837 · **Fax:** (510) 869-6811
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 132 clinicians in 15 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (72), Obstetrics/Gynecology (12), Certified Nurse Midwife (CNM) (11); 4 practice within 10 miles; [full list](https://npiprofile.com/npi/1639523004/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 15, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1639523004) · Data from the CMS NPPES public registry.