Are you Dr. Ahn? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Terrie S. Ahn, MD
- Santa Monica location main office
1245 16Th St, Santa Monica, CA 90404 - Los Angeles location
10833 Le Conte Ave # 12-311, Los Angeles, CA 90095
About Dr. Ahn
Terrie S. Ahn, MD is a healthcare provider in Santa Monica, CA specializing in allergy/immunology. Terrie trained at Wayne State University School of Medicine, graduating in 2016. Terrie is also listed as specializing in pediatrics and allergy & immunology. Medicare claims data shows Terrie provided 1,004 services to 210 patients. The services billed most often include test for allergy using allergenic extract, injection of drug or substance under skin or into muscle, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1093166795.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (310) 481-4646
- Email not available
Practice Locations
1245 16TH ST
Santa Monica, CA 90404
10833 Le Conte Ave # 12-311
Los Angeles, CA 90095
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
Allergies
Digestive
Drug allergies
Drug allergy
Emergency
Environmental
Eye
Food allergies
- Egg Allergy
- Milk Allergy
- Peanut Allergy
- Shellfish Allergy
- Soy Allergy
- Tree Nut Allergy
- Wheat Allergy
Immune conditions
Immunology
- Common Variable Immunodeficiency
- Frequent Infections
- Hereditary Angioedema
- Mast Cell Activation Syndrome
- Weak Immune System
Lung conditions
Respiratory
Sinus
Sinus conditions
Skin
Skin conditions
Procedures & services
Most searched procedures
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
Medication therapy
Medications
Preventive
Respiratory
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
Procedures Most Often Billed to Medicare
1,004 services · 210 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
739 | Less often than most peers in Allergy/Immunology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
53 | Less often than most peers in Allergy/Immunology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
40 | Less often than most peers in Allergy/Immunology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
34 | As often as other peers in Allergy/Immunology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
33 | As often as other peers in Allergy/Immunology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
31 | As often as other peers in Allergy/Immunology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
21 | Less often than most peers in Allergy/Immunology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
21 | As often as other peers in Allergy/Immunology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
18 | As often as other peers in Allergy/Immunology |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
14 | Less often than most peers in Allergy/Immunology |
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 allergy/immunology specialists at this location 1
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 allergy/immunology specialists in Santa Monica 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Wayne State University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Wayne State University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Ahn?
Dr. Ahn is an allergy/immunology in Santa Monica, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Ahn's address?
Dr. Ahn is listed at 1245 16Th St, Santa Monica, CA 90404. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Ahn?
The number on file is (310) 481-4646. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Ahn?
Dr. Ahn's National Provider Identifier is 1093166795. 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. Ahn train?
Dr. Ahn attended Wayne State University School of Medicine, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ahn have?
Dr. Ahn has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Ahn perform?
According to Medicare billing data, Dr. Ahn provides treatments such as test for allergy using allergenic extract and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ahn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ahn. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.