Physician Profile
Dorothy Chau, M.D. is a healthcare provider in Staten Island, NY specializing in allergy & immunology. Dorothy trained at Icahn School of Medicine at Mount Sinai, graduating in 1994. According to Medicare claims data, Dorothy cared for 423 Medicare patients across 10,693 services. The services billed most often include test for allergy using allergenic extract, test for allergy using allergenic extract injected into skin, and professional service for multiple injections of allergen.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1 TELEPORT DR STE 200
Staten Island, NY 10311
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.
Most searched conditions
Allergies
Digestive
Drug allergies
Drug allergy
Emergency
Environmental
Eye
Food allergies
Immune conditions
Immunology
Lung conditions
Respiratory
Sinus
Sinus conditions
Skin
Skin conditions
Most searched procedures
Allergy treatments
Diagnostic
Infusion
Medication therapy
Medications
Preventive
Respiratory
Tests
Treatment
10,693 services · 423 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
9,745 | More than most peers in Allergy & Immunology |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
500 | More often than most peers in Allergy & Immunology |
| Professional service for multiple injections of allergen | Treatment | 95117 |
246 | 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 |
171 | 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 |
31 | 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.
Dorothy Chau is an allergist in Staten Island, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Dorothy Chau is listed at 1 Teleport Dr Ste 200, Staten Island, NY 10311. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (718) 370-0072. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dorothy Chau's National Provider Identifier is 1033158886. 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
Dorothy Chau attended Icahn School of Medicine at Mount Sinai, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
Dorothy Chau has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dorothy Chau provides treatments such as test for allergy using allergenic extract and test for allergy using allergenic extract injected into skin, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dorothy Chau. 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.