Bay Area Radiologists, a Medical Group
NPI 1942254198 · Diagnostic Radiology Physician · San Francisco, CA
Bay Area Radiologists, a Medical Group is a Diagnostic Radiology Physician organization in San Francisco, CA (NPI 1942254198).
Provider details
- NPI number
- 1942254198
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Frank Mainzer, President(415) 750-5770
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-20
- Last updated
- 2008-02-22
Frequently asked questions
- What is Bay Area Radiologists, a Medical Group's NPI number?
- Bay Area Radiologists, a Medical Group's National Provider Identifier (NPI) is 1942254198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Bay Area Radiologists, a Medical Group?
- Bay Area Radiologists, a Medical Group is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Bay Area Radiologists, a Medical Group located?
- Bay Area Radiologists, a Medical Group's practice location on file with NPPES is 900 Hyde St, San Francisco, CA 94109-4806.
- What is Bay Area Radiologists, a Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Bay Area Radiologists, a Medical Group is (415) 353-6390.
- Who is the authorized official for Bay Area Radiologists, a Medical Group?
- The authorized official listed on Bay Area Radiologists, a Medical Group's NPPES record is Frank Mainzer, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Bay Area Radiologists, a Medical Group's NPI active?
- Yes — Bay Area Radiologists, a Medical Group's NPI (1942254198) is active in the NPPES registry as of the last update on 2008-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.