ORANGE COUNTY HEMATOLOGY-ONCOLOGY MEDICAL GROUP PC
NPI 1730416298
Internal Medicine - Hematology & Oncology in Santa Ana, CA

Q: What is Orange County Hematology-Oncology Medical Group PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since November 04, 2009

1401 N TUSTIN AVE, 220, SANTA ANA, CA 92705(714) 953-6246 Get Directions Write a Review

NPPES record last updated: November 23, 2010. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Orange County Hematology-oncology Medical Group Pc NPPES

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

ORANGE COUNTY HEMATOLOGY-ONCOLOGY MEDICAL GROUP PC (NPI 1730416298) is a healthcare organization registered as a hematology & oncology in Santa Ana, California and active in the NPI registry since November 2009. The organization lists Herbert Duvivier, Owner, as its authorized official.

NPPES Registry Identity

NPI1730416298

Entity TypeOrganization

Primary Taxonomy207RH0003X

Legal Business NameORANGE COUNTY HEMATOLOGY-ONCOLOGY MEDICAL GROUP PC

Location Address1401 N TUSTIN AVE, 220Santa Ana, CA 92705-8644

Mailing Address1401 N Tustin Ave, Suite 220Santa Ana, CA 92705-8644 · (714) 953-6246

Phone(714) 953-6246

Organization SubpartNo

Authorized OfficialHerbert DuvivierOwner · (714) 953-6246

Enumeration DateNovember 4, 2009

Last NPPES UpdateNovember 23, 2010

✔ NPI 1730416298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in CA · G67229

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

1401 N TUSTIN AVE, Santa Ana, CA 92705

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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

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. DONALD ANDREW DINWOODIE M.D.

Specialist

1401 N TUSTIN AVE, SUITE 355
SANTA ANA, CA 92705

Orange County (714) 573-7060

DR. WILLIAM C GUARD D.D.S.

Dentist

1401 N TUSTIN AVE, #345
SANTA ANA, CA 92705

Orange County (714) 835-1015

NORMAN L CRAWFORD DDS

Dentist

1401 N TUSTIN AVE, STE 345
SANTA ANA, CA 92705

Orange County (714) 835-9455

MR. GREGORY BOGDAN KIRKOROWICZ MD

Physical Therapist (Neurology)

1401 N TUSTIN AVE, #140
SANTA ANA, CA 92705

Orange County (714) 543-2554

DR. TED LESLIE TANZER M.D.

Orthopaedic Surgery

1401 N TUSTIN AVE, STE.#355
SANTA ANA, CA 92705

Orange County (949) 903-1830

MRS. KATALIN J BASSETT MD

Psychiatry & Neurology (Psychiatry)

1401 N TUSTIN AVE, STE 120
SANTA ANA, CA 92705

Orange County (714) 550-0508

DR. SHERIDON HALE GROVES

Orthopaedic Surgery

1401 N TUSTIN AVE, #140
SANTA ANA, CA 92705

Orange County (714) 543-2554

HOOMAN RASTEGAR MD

Anesthesiology (Pain Medicine)

1401 N TUSTIN AVE, STE 140
SANTA ANA, CA 92705

Orange County (714) 543-2554

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 Orange County Hematology-Oncology Medical Group PC's NPI number?

The NPI number for Orange County Hematology-Oncology Medical Group PC is 1730416298. It was assigned to this organization in the NPPES registry on November 4, 2009.

Where is Orange County Hematology-Oncology Medical Group PC located?

Orange County Hematology-Oncology Medical Group PC is located at 1401 N Tustin Ave 220, Santa Ana, CA 92705. The listed phone number is (714) 953-6246.

What is Orange County Hematology-Oncology Medical Group PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for Orange County Hematology-Oncology Medical Group PC was last updated on November 23, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.