BASS MEDICAL GROUP
NPI 1174253405
Obstetrics & Gynecology in Walnut Creek, CA
About Bass Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BASS MEDICAL GROUP (NPI 1174253405) is a healthcare organization registered as an obstetrics & gynecology in Walnut Creek, California and active in the NPI registry since June 2022. The organization lists Gregory A Rhodes, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 5
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)
Bass Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
345Medicare enrollment records show 345 clinicians reassign Medicare billing to Bass Medical Group, which bills Medicare for the services they deliver. Of these, 43 practice at this address and 144 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 40
Nearest to this location (20)
See all 345Source: 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 Bass Medical Group's NPI number?
The NPI number for Bass Medical Group is 1174253405. It was assigned to this organization in the NPPES registry on June 10, 2022.
Where is Bass Medical Group located?
Bass Medical Group is located at 2637 Shadelands Dr, Walnut Creek, CA 94598. The listed phone number is (925) 378-4512.
What is Bass Medical Group's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Bass Medical Group enrolled in Medicare?
Yes. Bass Medical Group is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Bass Medical Group?
According to the CMS Revalidation Reassignment List (October 2026 release), 345 clinicians in 40 Medicare specialties reassign their Medicare billing to Bass Medical Group. 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 (53), Otolaryngology (43) and Orthopedic Surgery (20). Of these, 43 practice at this address and 144 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 Bass Medical Group was last updated on June 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Bass Medical Group · NPI 1174253405
Obstetrics & Gynecology organization in Walnut Creek, California. Organization record, active in the CMS NPPES registry since June 10, 2022.
## Identity
- **NPI:** 1174253405 (Entity type: Organization)
- **Enumerated:** June 10, 2022
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Organization subpart:** No
- **Authorized official:** Gregory Rhodes, PRESIDENT
## Practice location
- **Address:** 2637 SHADELANDS DR, Walnut Creek, CA 94598-2512
- **Phone:** (925) 378-4512
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 345 clinicians in 40 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (53), Otolaryngology (43), Orthopedic Surgery (20); 43 practice at this address and 144 within 10 miles; [full list](https://npiprofile.com/npi/1174253405/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1174253405) · Data from the CMS NPPES public registry.