DR. JOHN A HAYWARD MD
NPI 1376539411
Internal Medicine - Hematology & Oncology in Chico, CA
About Dr. John A Hayward Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN A HAYWARD MD (NPI 1376539411) is an individual hematology & oncology provider in Chico, California, licensed in California (G061995) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John A Hayward Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show John Hayward reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oakland, CA 94602
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
San Francisco, CA 94133
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95926 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHICO, CA 95926
CHICO, CA 95926
CHICO, CA 95926
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 John Hayward's NPI number?
The NPI number for John Hayward is 1376539411. It was assigned to this individual provider in the NPPES registry on September 23, 2005.
Where is John Hayward located?
John Hayward practices at 265 Cohasset Rd Suite 150, Chico, CA 95926. The listed phone number is (530) 899-9000.
What is John Hayward's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is John Hayward enrolled in Medicare?
Yes. John Hayward is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Hayward's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Hayward reassigns Medicare benefits to 2 organizations: Alameda Health System (Oakland, CA) and City & County Of San Francisco (San Francisco, CA). Each 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 John Hayward's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Hayward was last updated on May 19, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. John A Hayward, MD · NPI 1376539411
Hematology & Oncology physician in Chico, California. Individual provider, active in the CMS NPPES registry since September 23, 2005.
## Identity
- **NPI:** 1376539411 (Entity type: Individual)
- **Enumerated:** September 23, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** G061995 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 265 COHASSET RD, SUITE 150, Chico, CA 95926-2273
- **Phone:** (530) 899-9000 · **Fax:** (530) 895-8928
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Alameda Health System (NPI 1740332931, Oakland, CA); City & County Of San Francisco (NPI 1023579356, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 19, 2010
- **Other identifiers:** Medicare UPIN F43711 (CA); Medicare ID-Type Unspecified 00G619950 (CA); Medicaid 00G619951 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1376539411) · Data from the CMS NPPES public registry.