NORTH COUNTY ONCOLOGY MEDICAL CLINIC INC
NPI 1457486433
Internal Medicine - Hematology & Oncology in Oceanside, CA

Q: What is North County Oncology Medical Clinic Inc's specialty?

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

Active since February 22, 2007

3617 VISTA WAY, OCEANSIDE, CA 92056(760) 758-5770(760) 721-8597 Get Directions Write a Review

NPPES record last updated: March 17, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About North County Oncology Medical Clinic Inc NPPES

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

NORTH COUNTY ONCOLOGY MEDICAL CLINIC INC (NPI 1457486433) is a healthcare organization registered as a hematology & oncology in Oceanside, California and active in the NPI registry since February 2007. The organization lists Warren Steven Paroly, President, as its authorized official.

NPPES Registry Identity

NPI1457486433

Entity TypeOrganization

Primary Taxonomy207RH0003X

Legal Business NameNORTH COUNTY ONCOLOGY MEDICAL CLINIC INC

Location Address3617 VISTA WAYOceanside, CA 92056-4522

Mailing Address3617 Vista WayOceanside, CA 92056-4522 · (760) 758-5770 · Fax (760) 721-8597

Phone(760) 758-5770

Fax(760) 721-8597

Organization SubpartNo

Authorized OfficialWarren Steven ParolyPresident · (760) 758-5770

Enumeration DateFebruary 22, 2007

Last NPPES UpdateMarch 17, 2011

✔ NPI 1457486433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

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.

3617 VISTA WAY, Oceanside, CA 92056

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Other Identifiers 2

Medicaid0R0010500CA

Medicare ID-Type UnspecifiedW2855CA

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

North County Oncology Medical Clinic Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to North County Oncology Medical Clinic Inc, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Catherine Quinn, M.D.

Medical Oncology

NPI 1427403641

3617 VISTA WAY
Oceanside, CA 92056

(760) 758-5770

✔ PECOS✔ Accepts MedicareSame address

Nayyar Siddique, MD

Hematology/Oncology

NPI 1497890610

3617 VISTA WAY
Oceanside, CA 92056

(760) 758-5770

✔ PECOS✔ Accepts MedicareSame address

Himani Singh, MD

Hematology/Oncology

NPI 1558546192

3617 VISTA WAY
Oceanside, CA 92056

(760) 758-5770

✔ PECOS✔ Accepts MedicareSame address

Warren Paroly, MD

Hematology/Oncology

NPI 1306981527

3925 WARING RD STE C
Oceanside, CA 92056

(760) 758-5770

✔ PECOS✔ Accepts Medicare1.3 mi

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 North County Oncology Medical Clinic Inc's NPI number?

The NPI number for North County Oncology Medical Clinic Inc is 1457486433. It was assigned to this organization in the NPPES registry on February 22, 2007.

Where is North County Oncology Medical Clinic Inc located?

North County Oncology Medical Clinic Inc is located at 3617 Vista Way, Oceanside, CA 92056. The listed phone number is (760) 758-5770.

What is North County Oncology Medical Clinic Inc's specialty?

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

Is North County Oncology Medical Clinic Inc enrolled in Medicare?

Yes. North County Oncology Medical Clinic Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through North County Oncology Medical Clinic Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to North County Oncology Medical Clinic 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. The largest specialties are Hematology/Oncology (3) and Medical Oncology (1). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does North County Oncology Medical Clinic Inc accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arkansas Health & Wellness and 31 other insurers list North County Oncology Medical Clinic Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for North County Oncology Medical Clinic Inc was last updated on March 17, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.