Sequoia Radiation Oncology Services, Inc
NPI 1861091795 · Internal Medicine Physician · Visalia, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sequoia Radiation Oncology Services, Inc is a Internal Medicine Physician organization in Visalia, CA (NPI 1861091795).
Provider details
- NPI number
- 1861091795
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tangel Chang, Ceo(626) 428-2356
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
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1443 W 7th StHanford, CA 93230-4937Phone: (559) 585-7115
Registry dates
- Enumerated
- 2020-10-21
- Last updated
- 2021-03-10
- Certified
- 2021-03-10
Frequently asked questions
- What is Sequoia Radiation Oncology Services, Inc's NPI number?
- Sequoia Radiation Oncology Services, Inc's National Provider Identifier (NPI) is 1861091795, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sequoia Radiation Oncology Services, Inc?
- Sequoia Radiation Oncology Services, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sequoia Radiation Oncology Services, Inc located?
- Sequoia Radiation Oncology Services, Inc's practice location on file with NPPES is 4945 W Cypress Ave Ste a, Visalia, CA 93277-1592.
- What is Sequoia Radiation Oncology Services, Inc's phone number?
- The practice phone number listed in the NPPES registry for Sequoia Radiation Oncology Services, Inc is (559) 624-3100.
- Does Sequoia Radiation Oncology Services, Inc accept Medicare?
- Sequoia Radiation Oncology Services, Inc 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 Sequoia Radiation Oncology Services, Inc?
- The authorized official listed on Sequoia Radiation Oncology Services, Inc's NPPES record is Tangel Chang, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sequoia Radiation Oncology Services, Inc's NPI active?
- Yes — Sequoia Radiation Oncology Services, Inc's NPI (1861091795) is active in the NPPES registry as of the last update on 2021-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.