Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

OLIVIA CELINE MAIN MD
NPI 1225664352
Internal Medicine - Medical Oncology in San Diego, CA

Q: What is Olivia Main's NPI number?

The NPI number for Olivia Main is 1225664352. It was assigned to this individual provider in the NPPES registry on March 20, 2020.

Q: What is Olivia Main's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Olivia Main was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.

Active since March 20, 2020

200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 9, 2026, Mar 20, 2020 (2 updates tracked since 2020).

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About Olivia Celine Main Md NPPES

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

OLIVIA CELINE MAIN MD (NPI 1225664352) is an individual medical oncology provider in San Diego, California, licensed in California (209103) and active in the NPI registry since March 2020. She maintains 5 additional practice locations.

NPPES Registry Identity

NPI1225664352

Entity TypeIndividualFemale

Primary Taxonomy207RX0202X

Provider Legal NameOLIVIA CELINE MAINCredential: MD

Location Address200 W ARBOR DRSan Diego, CA 92103-9000

Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (800) 926-8273

Phone(800) 926-8273

Fax(888) 539-8781

Sole ProprietorNo

Enumeration DateMarch 20, 2020

Last NPPES UpdateJuly 9, 20262 updates tracked since enumeration

NPPES CertifiedJuly 9, 2026

✔ NPI 1225664352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in CA · 209103

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal MedicineTaxonomy 207R00000X · License 209103 (CA)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

200 W ARBOR DR, San Diego, CA 92103

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Secondary Practice Locations 5

Location 19400 Campus Point DrLA Jolla, CA 92093-1350 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 29300 Campus Point DrLA Jolla, CA 92037-1300 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 34250 1st AveSan Diego, CA 92103-2026 · Phone (800) 926-8273 · Fax (888) 539-8781

Location 4506 6th StBrooklyn, NY 11215-3609 · Phone (718) 780-3000

Location 53855 Health Sciences DrLA Jolla, CA 92093-1503 · Phone (800) 926-8273 · Fax (888) 539-8781

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RAMIN MOTARJEMI M.D.

Internal Medicine (Geriatric Medicine)