Dr. Hal S. Shimazu
Last updated: Nov 28, 2025

Dr. Hal S. Shimazu

  • Gender: Male
  • Experience: 44 years
  • Graduated from: University Of California, Davis School Of Medicine
  • Graduation year: 1977
  • Sole propriator: No
  • NPI: 1073682241

Dr. Hal S. Shimazu MD

Family Physician

He is located at 845 East Chapman Avenue in Orange, CA 92866. Can help patients with the following: Abdominal Pain, High Blood Pressure, Hypothyroidism, Mold Exposure, Osteoarthritis (OA), Thyroid Disease. His National Provider Identifier (NPI) number is 1073682241. Appointment can be made via the phone number (714) 997-2899. He is affiliated with 1 practices and 1 hospitals.

Conditions treated

Dr. Hal S. Shimazu, being an family physician, 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. Hal S. Shimazu.

  • Abdominal Pain
  • Aging In Place
  • Anxiety
  • Arthritis
  • Asthma
  • Autism
  • Birth Control Counseling
  • Breastfeeding and Lactation
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Diabetes
  • Fever
  • General Care
  • Headache
  • Heart Disease
  • High Blood Pressure
  • Hyperlipidemia
  • Hypothyroidism
  • Infant Care
  • Influenza
  • Migraine
  • Mold Exposure
  • Nausea and Vomiting
  • Obesity
  • Osteoarthritis (OA)
  • Osteoporosis
  • Pregnancy
  • Prenatal Care
  • Prescription Refill
  • Thyroid Disease
  • Women's Health

Procedures Performed by Dr. Hal S. Shimazu

Insurances Accepted by Dr. Hal S. Shimazu

  1. Medicare

Medicare Enrollment

Dr. Hal S. Shimazu is enrolled to bill Medicare as a Practitioner - Family Practice .

Bills through: Healthcare Partners Affiliates Medical Group

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

AstraZeneca $793
Sanofi $708
Novo Nordisk $642

Other

Food and Beverage $6149
Promotional Speaking or Service $111

Studies

UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE

Graduated in 1977

Affiliated practices

Thomas a Hryniewicki MD
845 East Chapman Avenue
Orange, 92866 CA
(714) 997-2899

Affiliated hospitals

ST JOSEPH HOSPITAL
1100 WEST STEWART DR
ORANGE, 92868 CA
(714) 633-9111

Looking for more Family Physicians?

Out of the 12 family physicians in this region, here are 10 randomly selected ones for you to explore.

Dr. William H. Nuesse
  • Gender: Male
  • Address: 867 South Tustin Street Orange, 92866, CA
Dr. Ana Cecilia Fajardo
  • Gender: Female
  • Address: 845 East Chapman Avenue Orange, 92866, CA
Dr. Annette Bernhut-Caplin
  • Gender: Female
  • Address: 845 East Chapman Avenue Orange, 92866, CA
Dr. Fernando Montelongo
  • Gender: Male
  • Address: 932 East Chapman Avenue Orange, 92866, CA
Dr. Maryann Nuesse
  • Gender: Female
  • Address: 867 South Tustin Street Orange, 92866, CA
Dr. Gary Ruelas
  • Gender: Male
  • Address: 707 East Chapman Avenue Orange, 92866, CA
Dr. Emily J. Jackson
  • Gender: Female
  • Address: 700 South Tustin Street Orange, 92866, CA
Dr. Kenneth E. Grubbs
  • Gender: Male
  • Address: 867 South Tustin Street Orange, 92866, CA
Dr. Divya Pana Shenoy
  • Gender: Female
  • Address: 1225 4th Street Northeast Washington, 20002, DC
Dr. Alonzo Juan Flores
  • Gender: Male
  • Address: 229 South Glassell Street Orange, 92866, CA

Questions & Answers

Does Dr. Hal S. Shimazu accept patients with Medicare?

Yes, Dr. Hal S. Shimazu accepts patients with Medicare.

Does Dr. Hal S. Shimazu have affiliation with practices?

Dr. Hal S. Shimazu is affiliated with Thomas a Hryniewicki MD.

What conditions does Dr. Hal S. Shimazu treat?

Dr. Hal S. Shimazu provides treatment for Abdominal Pain, High Blood Pressure, Hypothyroidism, Mold Exposure, Osteoarthritis (OA), Thyroid Disease. For the full list see this list.

Has Dr. Hal S. Shimazu affiliation with hospitals?

Dr. Hal S. Shimazu is affiliated with ST JOSEPH HOSPITAL.

Where can you meet with Dr. Hal S. Shimazu?

Dr. Hal S. Shimazu's office is located at 845 East Chapman Avenue in Orange, CA 92866.