Dr John A Hayward, MD - Medicare Internal Medicine in Chico, CA

Dr John A Hayward, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Chico, California. His current practice location is 265 Cohasset Rd, Suite 150, Chico, California. You can reach out to his office (for appointments etc.) via phone at (530) 899-9000.

Dr John A Hayward is licensed to practice in California (license number G061995) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1376539411.

Contact Information

Dr John A Hayward, MD
265 Cohasset Rd, Suite 150,
Chico, CA 95926-2273
(530) 899-9000
(530) 895-8928



Physician's Profile

Full NameDr John A Hayward
GenderMale
SpecialityInternal Medicine - Hematology & Oncology
Location265 Cohasset Rd, Chico, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1376539411
  • Provider Enumeration Date: 09/23/2005
  • Last Update Date: 05/19/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 7113984949
  • Enrollment ID: I20050624000764

Medical Identifiers

Medical identifiers for Dr John A Hayward such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376539411NPI-NPPES
00G619951MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology G061995 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr John A Hayward allows following entities to bill medicare on his behalf.
Entity NameAlameda Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740332931
PECOS PAC ID: 3779494521
Enrollment ID: O20031110000764

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Entity NameCity & County Of San Francisco
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1982737524
PECOS PAC ID: 1658280748
Enrollment ID: O20050309000770

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› Verified 7 days ago

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr John A Hayward is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr John A Hayward, MD
740 Serrano Ct,
Chico, CA 95928-8415

Ph: (530) 899-9000
Dr John A Hayward, MD
265 Cohasset Rd, Suite 150,
Chico, CA 95926-2273

Ph: (530) 899-9000

News Archive

Low vitamin D levels may increase death in African American and Caucasian older adults

Low levels of vitamin D and high levels of parathyroid hormone are associated with increased mortality in African American and Caucasian older adults, according to a new study accepted for publication in The Endocrine Society's Journal of Clinical Endocrinology and Metabolism (JCEM).

With repeal still on the table, health debate detente expected to be temporary

Although GOP interest in turning back the health law remains strong, lawmakers' face the challenge of tempering some of their rhetoric in the wake of the Tucson shootings. Meanwhile, people on both sides of the aisle say this "timeout" is likely to be only temporary.

UPM researchers study stability of arsenic species in edible marine algae

Researchers at UPM have studied the stability of diverse arsenic species found in edible marine algae and have established the best conditions for their storage and preservation.

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What happens when municipalities in the Copenhagen area experience a COVID-19 flare-up? Would closing the schools have any effect, or would a better choice be directing the parents to work from home? Due to the COVID-19 pandemic, authorities worldwide have several times implemented steps to keep the pandemic in check.

Read more News

› Verified 7 days ago


Internal Medicine Doctors in Chico, CA

Eric A Ford, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 10 Governors Ln, Chico, CA 95926
Phone: 530-894-8800    Fax: 530-894-8929
Dr. Arthur J Brinckerhoff, M.D.
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 277 Cohasset Rd, Chico, CA 95926
Phone: 530-872-6650    
Brian Thomas Courtney, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1531 Esplanade, Chico, CA 95926
Phone: 530-896-7455    Fax: 530-896-1730
Rubens Barros Costa Filho, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 265 Cohasset Rd, Chico, CA 95926
Phone: 530-332-4700    
Dr. Leena Singh, MD, PHD
Hematology & Oncology
Medicare: May Accept Medicare Assignments
Practice Location: 1488 East Ave, Suite 130, Chico, CA 95926
Phone: 530-342-1310    
Alyssa Milliron, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 680 Cohasset Rd, Chico, CA 95926
Phone: 530-342-4395    Fax: 530-894-2325
Dr. Sam Mazj, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 265 Cohasset Rd, Suite 170, Chico, CA 95926
Phone: 530-893-2323    Fax: 530-894-0935

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