Physician Profile
Thomas A. Gionis, M.D.
Unclaimed ProfileAbout Dr. Gionis
Thomas A. Gionis, M.D. is a healthcare provider in Norwalk, CA specializing in family practice. Thomas trained at Medical University of South Carolina College of Medicine, graduating in 1975. Thomas is also listed as specializing in emergency medicine. Medicare claims data shows Thomas provided 77 services to 73 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
- (562) 864-6377
- Email not available
Practice Locations
13100 STUDEBAKER RD
Norwalk, CA 90650
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
- Acne
- Eczema
Common childhood and ear conditions
- Ear infection
- Pink eye
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
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
- Breathing Treatment
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
- At-Home Sleep Study Order
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
77 services · 73 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
32 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
26 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
19 |
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.
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 Norwalk 8
Same specialty, same city.
Trained at Medical University of South Carolina College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 1975 at Medical University of South Carolina College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Thomas A. Gionis specialize in?
Thomas A. Gionis is a family practice in Norwalk, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Thomas A. Gionis located?
Thomas A. Gionis is listed at 13100 Studebaker Rd, Norwalk, CA 90650. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Thomas A. Gionis's phone number?
The number on file is (562) 864-6377. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Thomas A. Gionis?
Thomas A. Gionis's National Provider Identifier is 1780638049. 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 Thomas A. Gionis train?
Thomas A. Gionis attended Medical University of South Carolina College of Medicine, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Thomas A. Gionis have?
Thomas A. Gionis has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What does Thomas A. Gionis do most often?
According to Medicare billing data, Thomas A. Gionis the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Thomas A. Gionis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas A. Gionis. 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.