Physician Profile
Joseph D. Chun, M.D.
Unclaimed ProfileAbout Dr. Chun
Joseph D. Chun, M.D. practices allergy & immunology in Fullerton, CA. Joseph is a 1984 graduate of University of California, Geffen School of Medicine. Joseph is also listed as specializing in internal medicine and pediatrics. Medicare claims data shows Joseph provided 1,518 services to 912 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, injection, denosumab, 1 mg, and telephone medical discussion with physician, 5-10 minutes.
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) 410-3100
- Email not available
Practice Locations
1501 W COMMONWEALTH AVE
Fullerton, CA 92833
Conditions Commonly Evaluated or Treated
Within Allergy and Immunology 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
- Asthma
- Eczema
- Food allergies
- Hives
- Seasonal allergies
Allergies
- Angioedema
- Cockroach Allergy
- Histamine Intolerance
- Oral Allergy Syndrome
- Red Meat Allergy
Digestive
- Eosinophilic esophagitis
Drug allergies
- Sulfa Drug Allergy
Drug allergy
- Aspirin Allergy
- Drug Allergies
- Penicillin Allergy
- Vaccine Allergy
Emergency
- Severe Allergic Shock
Environmental
- Dust Mite Allergy
- Insect Sting Allergy
- Latex Allergy
- Mold Allergy
- Pet Allergies
Eye
Food allergies
- Egg Allergy
- Milk Allergy
- Peanut Allergy
- Shellfish Allergy
- Soy Allergy
- Tree Nut Allergy
- Wheat Allergy
Immune conditions
- Low White Blood Cell Count
Immunology
- Common Variable Immunodeficiency
- Frequent Infections
- Hereditary Angioedema
- Mast Cell Activation Syndrome
- Weak Immune System
Lung conditions
- Allergic Asthma
- Wheezing
Respiratory
- Chronic cough
Sinus
- Chronic sinusitis
- Loss or reduction of smell
- Nasal polyps
- Nonallergic rhinitis
- Post-Nasal Drip
Sinus conditions
- Sinus Headaches
Skin
- Cold Allergy
- Contact dermatitis
- Nickel Allergy
- Sun Allergy
Skin conditions
- Chronic itching
- Poison Ivy Rash
- Skin Writing Rash
Procedures & services
Most searched procedures
- Allergy testing
- Immunotherapy
- Patch testing
Allergy treatments
- Allergy Drops
- Asthma Biologics
- Food Desensitization
- Peanut Allergy Pill Treatment
- Sublingual Dust Mite Treatment
- Under-The-Tongue Allergy Tablets
Diagnostic
- Asthma challenge test
- Drug Challenge Test
- Exercise Challenge Breathing Test
- Exhaled nitric oxide test
- Ice Cube Test for Cold Allergy
- Immune System Blood Test
- Nasal endoscopy
- Oral Food Challenge
- Peak Flow Test
- Penicillin Allergy Testing
- Spirometry
- Tryptase Blood Test
- Vaccine Challenge Test
- Vaccine Response Antibody Test
Infusion
- C1 Esterase Inhibitor Infusion
- IVIG Infusion
- Subcutaneous Immunoglobulin Infusion
Medication therapy
- Fasenra Injections
- Nucala Injections
- Tezspire Injections
Medications
- Dupixent Injections
- Targeted therapy
- Xolair Injections
Preventive
- Anaphylaxis Emergency Action Plan
- Epinephrine Autoinjector Training
Respiratory
- Inhaler technique instruction
- Nebulizer Breathing Treatment
Tests
- Allergy Blood Testing
- Allergy Skin Prick Test
- Blood Component Allergy Test
- Complement Blood Test
- Eosinophil Blood Count
- Intradermal Allergy Test
- Pulmonary function test
- Skin Test For Metal Allergy
- Total IgE Blood Test
Treatment
- Aspirin Desensitization
- Dietary Allergen Elimination Plan
- Drug Desensitization Protocol
- Sinus Rinse Training
Procedures Most Often Billed to Medicare
1,518 services · 912 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
50 |
| Influenza vaccine, trivalent derived from cell cultures | Treatment | 90661 |
43 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
27 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
17 |
| Influenza vaccine, inactivated | Treatment | 90653 |
12 |
| Injection, denosumab, 1 mg | Drug given | J0897 |
256 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
297 |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
212 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
175 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
122 |
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.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1984 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Joseph D. Chun?
Joseph D. Chun is an allergist in Fullerton, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
What is Joseph D. Chun's address?
Joseph D. Chun is listed at 1501 W Commonwealth Ave, Fullerton, CA 92833. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Joseph D. Chun?
The number on file is (714) 410-3100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Joseph D. Chun?
Joseph D. Chun's National Provider Identifier is 1710015425. 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 Joseph D. Chun train?
Joseph D. Chun attended University of California, Geffen School of Medicine, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Joseph D. Chun have?
Joseph D. Chun has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What procedures does Joseph D. Chun perform?
According to Medicare billing data, Joseph D. Chun provides treatments such as pneumococcal conjugate vaccine, 20 valent , for intramuscular use and influenza vaccine, trivalent derived from cell cultures, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Joseph D. Chun's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Joseph D. Chun. 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.