Physician Profile
Yesim Yilmaz Demirdag, M.D.
Unclaimed ProfileAt a glance
- 821 Health Sciences Rd Medical Sciences I C-240, Irvine, CA 92697
About Dr. Yilmaz Demirdag
Yesim Yilmaz Demirdag, M.D. is a healthcare provider in Irvine, CA specializing in allergy/immunology. Yesim is also listed as specializing in allergy & immunology. Medicare claims data shows Yesim provided 343 services to 276 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, established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, 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 1134330921.
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
- (949) 824-5818
- Email not available
Practice Locations
821 HEALTH SCIENCES RD MEDICAL SCIENCES I C-240
Irvine, CA 92697
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
343 services · 276 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using ingested items, initial 2 hours | Treatment | 95076 |
14 | 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 |
99 | More often than most 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 |
60 | More 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 |
46 | More often than most 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 |
34 | More than most 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 |
20 | 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 |
17 | 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 |
16 | 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 |
13 | As often as other peers in Allergy/Immunology |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
12 | Too few peers to compare |
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 in Irvine 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Test for allergy using ingested items, initial 2 hours 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Yesim Yilmaz Demirdag's specialty?
Yesim Yilmaz Demirdag is an allergy/immunology in Irvine, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Yesim Yilmaz Demirdag?
Yesim Yilmaz Demirdag is listed at 821 Health Sciences Rd Medical Sciences I C-240, Irvine, CA 92697. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Yesim Yilmaz Demirdag?
The number on file is (949) 824-5818. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Yesim Yilmaz Demirdag?
Yesim Yilmaz Demirdag's National Provider Identifier is 1134330921. 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
What is Yesim Yilmaz Demirdag's education?
Yesim Yilmaz Demirdag attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Yesim Yilmaz Demirdag have?
Yesim Yilmaz Demirdag has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Yesim Yilmaz Demirdag known for?
According to Medicare billing data, Yesim Yilmaz Demirdag provides treatments such as test for allergy using ingested items, initial 2 hours, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Yesim Yilmaz Demirdag's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Yesim Yilmaz Demirdag. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.