SEQUOIA RADIATION ONCOLOGY SERVICES, INC
NPI 1861091795
Internal Medicine in Visalia, CA

Q: What is Sequoia Radiation Oncology Services, Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since October 21, 2020

4945 W CYPRESS AVE STE A, VISALIA, CA 93277(559) 624-3100 Get Directions Write a Review

NPPES record last updated: March 10, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 10, 2021, Oct 21, 2020 (2 updates tracked since 2020).

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About Sequoia Radiation Oncology Services, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SEQUOIA RADIATION ONCOLOGY SERVICES, INC (NPI 1861091795) is a healthcare organization registered as an internal medicine in Visalia, California and active in the NPI registry since October 2020. The organization maintains a secondary practice location in Hanford and lists Tangel Chang, Ceo, as its authorized official.

NPPES Registry Identity

NPI1861091795

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameSEQUOIA RADIATION ONCOLOGY SERVICES, INC

Location Address4945 W CYPRESS AVE STE AVisalia, CA 93277-1592

Mailing Address2521 N Fontana StVisalia, CA 93291-8196

Phone(559) 624-3100

Organization SubpartNo

Authorized OfficialTangel ChangCeo · (626) 428-2356

Enumeration DateOctober 21, 2020

Last NPPES UpdateMarch 10, 20212 updates tracked since enumeration

NPPES CertifiedMarch 10, 2021

✔ NPI 1861091795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

4945 W CYPRESS AVE STE A, Visalia, CA 93277

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Secondary Practice Location 1

Location 11443 W 7th StHanford, CA 93230-4937 · Phone (559) 585-7115

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sequoia Radiation Oncology Services, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Sequoia Radiation Oncology Services, Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Danny Vazquez, MD

Radiation Oncology

NPI 1730747791

4945 W CYPRESS AVE STE A
Visalia, CA 93277

(559) 624-3100

✔ PECOS✔ Accepts MedicareSame address

David Ly, MD

Radiation Oncology

NPI 1477879864

4945 W CYPRESS AVE
Visalia, CA 93277

(559) 624-3100

✔ PECOS✔ Accepts MedicareSame address

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 Sequoia Radiation Oncology Services, Inc's NPI number?

The NPI number for Sequoia Radiation Oncology Services, Inc is 1861091795. It was assigned to this organization in the NPPES registry on October 21, 2020.

Where is Sequoia Radiation Oncology Services, Inc located?

Sequoia Radiation Oncology Services, Inc is located at 4945 W Cypress Ave Ste A, Visalia, CA 93277. The listed phone number is (559) 624-3100.

What is Sequoia Radiation Oncology Services, Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sequoia Radiation Oncology Services, Inc enrolled in Medicare?

Yes. Sequoia Radiation Oncology Services, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sequoia Radiation Oncology Services, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Radiation Oncology, reassign their Medicare billing to Sequoia Radiation Oncology Services, Inc. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Sequoia Radiation Oncology Services, Inc was last updated on March 10, 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.