Physician Profile
Hal S. Shimazu, MD
Unclaimed ProfileAbout Dr. Shimazu
Hal S. Shimazu, MD is a healthcare provider in Orange, CA specializing in family practice. Hal trained at University of California, Davis School of Medicine, graduating in 1977. Hal is also listed as specializing in family medicine. Medicare claims data shows Hal provided 589 services to 518 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (714) 997-2899
- Email not available
Practice Locations
845 E CHAPMAN AVE
Orange, CA 92866
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
- High blood pressure
- High cholesterol
Digestive
- Acid reflux
- IBS
Genitourinary and reproductive
- Erectile dysfunction
- Heavy periods
Musculoskeletal and pain
- Gout
- Heel pain
Neurologic and behavioral
- ADHD
- Anxiety
- Depression
- Insomnia
- Migraines
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
Common childhood and ear conditions
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
- Blood Pressure Check
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
- Cognitive Assessment
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
589 services · 518 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Assessment of emotional or behavioral problems | Treatment | 96127 |
37 |
| Influenza vaccine, inactivated | Treatment | 90653 |
17 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
237 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
110 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
101 |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
27 |
| Annual alcohol misuse screening, 5 to 15 minutes | Billing code | G0442 |
27 |
| Administration of influenza virus vaccine | Billing code | G0008 |
22 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Orange 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Davis School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at University of California, Davis School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Assessment of emotional or behavioral problems 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Shimazu specialize in?
Dr. Shimazu is a family practice in Orange, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Shimazu located?
Dr. Shimazu is listed at 845 E Chapman Ave, Orange, CA 92866. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Shimazu's phone number?
The number on file is (714) 997-2899. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Shimazu?
Dr. Shimazu's National Provider Identifier is 1073682241. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Shimazu go to medical school?
Dr. Shimazu attended University of California, Davis School of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Shimazu have?
Dr. Shimazu has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Shimazu do most often?
According to Medicare billing data, Dr. Shimazu provides treatments such as assessment of emotional or behavioral problems and influenza vaccine, inactivated, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Shimazu's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shimazu. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.