MONTEREY BAY ONCOLOGY A MEDICAL CORPORATION
NPI 1972542959
Internal Medicine - Hematology & Oncology in Monterey, CA
About Monterey Bay Oncology A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONTEREY BAY ONCOLOGY A MEDICAL CORPORATION (NPI 1972542959), doing business as Pacific Cancer Care, is a healthcare organization registered as a hematology & oncology in Monterey, California and active in the NPI registry since June 2006. The organization maintains 3 additional practice locations and lists Nicole Lynn Billingsley, Chief Executive Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 3
Other Identifiers 2
Group Practice 1
Accepted 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)
Monterey Bay Oncology A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
37Medicare enrollment records show 37 clinicians reassign Medicare billing to Monterey Bay Oncology A Medical Corporation, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 15 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 8
Nearest to this location (20)
See all 37Monterey, CA 93940
Monterey, CA 93940
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 Monterey Bay Oncology A Medical Corporation's NPI number?
The NPI number for Monterey Bay Oncology A Medical Corporation is 1972542959. It was assigned to this organization in the NPPES registry on June 6, 2006. The provider is doing business as Pacific Cancer Care.
Where is Monterey Bay Oncology A Medical Corporation located?
Monterey Bay Oncology A Medical Corporation is located at 5 Harris Ct, Bldg T, Ste. 201, Monterey, CA 93940. The listed phone number is (831) 375-4105.
What is Monterey Bay Oncology A Medical Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Monterey Bay Oncology A Medical Corporation enrolled in Medicare?
Yes. Monterey Bay Oncology A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Monterey Bay Oncology A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 37 clinicians in 8 Medicare specialties reassign their Medicare billing to Monterey Bay Oncology A Medical Corporation. 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 Nurse Practitioner (12), Hematology/Oncology (10) and Diagnostic Radiology (4). Of these, 4 practice at this address and 15 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Monterey Bay Oncology A Medical Corporation 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 36 other insurers list Monterey Bay Oncology A Medical Corporation 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 Monterey Bay Oncology A Medical Corporation was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 52 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.
# Monterey Bay Oncology A Medical Corporation · NPI 1972542959
Hematology & Oncology organization in Monterey, California. Organization record, active in the CMS NPPES registry since June 6, 2006.
## Identity
- **NPI:** 1972542959 (Entity type: Organization)
- **Enumerated:** June 6, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Also known as:** Pacific Cancer Care (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Nicole Billingsley, CHIEF EXECUTIVE OFFICER
## Practice location
- **Address:** 5 HARRIS CT, BLDG T, STE. 201, Monterey, CA 93940
- **Phone:** (831) 375-4105 · **Fax:** (831) 372-5722
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 37 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (12), Hematology/Oncology (10), Diagnostic Radiology (4); 4 practice at this address and 15 within 10 miles; [full list](https://npiprofile.com/npi/1972542959/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 17, 2026
- **Other identifiers:** Other ZZZ52494Z (CA); Medicaid GR0080140 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1972542959) · Data from the CMS NPPES public registry.