Northern California Radiation Therapists & Oncologists Medical Group I
NPI 1720069891 · Radiation Oncology Physician · San Francisco, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Northern California Radiation Therapists & Oncologists Medical Group I is a Radiation Oncology Physician organization in San Francisco, CA (NPI 1720069891).
Provider details
- NPI number
- 1720069891
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- John Lee, Medical Director(209) 342-2300
- License
- 102829 (CA)
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
- 2005-11-07
- Last updated
- 2024-09-13
- Certified
- 2024-09-13
Frequently asked questions
- What is Northern California Radiation Therapists & Oncologists Medical Group I's NPI number?
- Northern California Radiation Therapists & Oncologists Medical Group I's National Provider Identifier (NPI) is 1720069891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Northern California Radiation Therapists & Oncologists Medical Group I?
- Northern California Radiation Therapists & Oncologists Medical Group I is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Northern California Radiation Therapists & Oncologists Medical Group I located?
- Northern California Radiation Therapists & Oncologists Medical Group I's practice location on file with NPPES is 2333 Buchanan St, San Francisco, CA 94115-1925.
- What is Northern California Radiation Therapists & Oncologists Medical Group I's phone number?
- The practice phone number listed in the NPPES registry for Northern California Radiation Therapists & Oncologists Medical Group I is (209) 342-2300.
- Does Northern California Radiation Therapists & Oncologists Medical Group I accept Medicare?
- Northern California Radiation Therapists & Oncologists Medical Group I is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Northern California Radiation Therapists & Oncologists Medical Group I?
- The authorized official listed on Northern California Radiation Therapists & Oncologists Medical Group I's NPPES record is John Lee, Medical Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Northern California Radiation Therapists & Oncologists Medical Group I's NPI active?
- Yes — Northern California Radiation Therapists & Oncologists Medical Group I's NPI (1720069891) is active in the NPPES registry as of the last update on 2024-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.