Dr. John A. Hayward
Last updated: May 19, 2010

Dr. John A. Hayward

  • Gender: Male
  • Experience: 35 years
  • Graduated from: University Of Southern California Keck School Of Medicine
  • Graduation year: 1986
  • Sole propriator: Yes
  • NPI: 1376539411

Dr. John A. Hayward MD

Hematology and Oncology Specialist

He is located at 265 Cohasset Road Suite 150 in Chico, CA 95926. Can help patients with the following: Chest Pain, Migraine, Neutropenia, Pernicious Anemia, Polycythemia, Sickle Cell Anemia. His National Provider Identifier (NPI) number is 1376539411. Appointment can be made via the phone number (530) 899-9000. He is affiliated with 2 practices and 1 hospitals.

Conditions treated

Dr. John A. Hayward, being an hematology and oncology specialist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John A. Hayward.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Beta Thalassemia
  • Bladder Control
  • Bone Cancer
  • Cancer
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Deep Vein Thrombosis (DVT)
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hemophilia
  • Hiatal Hernia
  • High Blood Pressure
  • Hodgkin's Disease
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Idiopathic Thrombocytopenic Purpura (ITP)
  • Influenza
  • Inguinal Hernia
  • Leukemia
  • Migraine
  • Multiple Myeloma
  • Nausea and Vomiting
  • Neutropenia
  • Non-Hodgkin's Lymphoma (NHL)
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Pernicious Anemia
  • Polycythemia
  • Prescription Refill
  • Pulmonary Embolism (PE)
  • Sickle Cell Anemia
  • Thalassemia
  • Thrombocytopenia
  • Urethritis
  • Urinary Tract Infection (UTI)

Medicare Enrollment

Dr. John A. Hayward is enrolled to bill Medicare as a Practitioner - Internal Medicine (also registered under: Practitioner - Hematology/oncology) .

Medicare practice location(s) (city/state/zip only, as reported to Medicare):

  • SAN FRANCISCO, CA, 94117-1421

Bills through: Alameda Health System

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

Abiomed $95
Baxalta $90

Other

Food and Beverage $187

Studies

UNIVERSITY OF SOUTHERN CALIFORNIA KECK SCHOOL OF MEDICINE

Graduated in 1986

Additional Specialities

  • Internist

Affiliated practices

Hayward Wellness Center
664 Southland Mall
Hayward, 94545 CA
(510) 266-1700
Chico Hematology Oncology
265 Cohasset Road
Chico, 95926 CA
(530) 893-2323

Affiliated hospitals

LAGUNA HONDA HOSPITAL & REHABILITATION CENTER
375 LAGUNA HONDA BLVD
SAN FRANCISCO, 94116 CA
(415) 759-2300

Looking for more Hematology and Oncology Specialists?

There are 6 other hematology and oncology specialists in this region.

Dr. William Earle Bonis
  • Gender: Male
  • Address: 265 Cohasset Road Chico, 95926, CA
Dr. Nicole Lemieux Whitlatch
  • Gender: Female
  • Address: 1720 Esplanade Chico, 95926, CA
Dr. Prathima Prodduturi
  • Gender: Female
  • Address: 11720 Education Street Suite 1 Auburn, 95602, CA
Dr. Mandy Deann Robertson
  • Gender: Female
  • Address: 700 Lilly Road Northeast Olympia, 98506, WA
Dr. Sam Mazj
  • Gender: Male
  • Address: Suite 170 265 Cohasset Road Chico, 95926, CA
Dr. Robert Randolph
  • Gender: Male
  • Address: 19917 7th Avenue Northeast Suite 100 Poulsbo, 98370, WA

Questions & Answers

What conditions does Dr. John A. Hayward treat?

Dr. John A. Hayward provides treatment for Chest Pain, Migraine, Neutropenia, Pernicious Anemia, Polycythemia, Sickle Cell Anemia. For the full list see this list.

Where can you meet with Dr. John A. Hayward?

Dr. John A. Hayward's office is located at 265 Cohasset Road Suite 150 in Chico, CA 95926.

Does Dr. John A. Hayward accept insurance?

Unfortunately we don't have any information if Dr. John A. Hayward accepts insurance.

Does Dr. John A. Hayward have affiliation with practices?

Dr. John A. Hayward is affiliated with Hayward Wellness Center. For the full list of practices see this list.

Has Dr. John A. Hayward affiliation with hospitals?

Dr. John A. Hayward is affiliated with LAGUNA HONDA HOSPITAL & REHABILITATION CENTER.