Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Cancer Center Oncology Medical Group, Inc-East County

Specialist in La Mesa, CA · enumerated 2005 · authorized official Debbie Mason, Office Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1497737183

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Registry record

Entity type Organization (Type 2)

Legal business name Cancer Center Oncology Medical Group, Inc-East County

Other name <Unavail>

Practice address 5555 Grossmont Center Dr, La Mesa, CA, 91942

Phone (619) 644-3030

Fax (619) 644-3638

Enumeration date Nov 17, 2005

Last updated in NPPES Jan 29, 2019

Taxonomy & classification

174400000X Specialist Other Service Providers · License G26407 (CA) Primary

Authorized official

Name Debbie Mason

Title Office Manager

Phone (619) 644-3030

Other identifiers

Identifier	Type	State	Issuer
ZZZ40281Z	Other	CA	GROUP BLUE SHIELD
GR0057640	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Who is the authorized official for Cancer Center Oncology Medical Group, Inc-East County?

NPPES lists Debbie Mason (Office Manager) as the authorized official for this organization.

What is the NPI number for Cancer Center Oncology Medical Group, Inc-East County?

The NPI for Cancer Center Oncology Medical Group, Inc-East County is 1497737183, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-29.