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Edit this profileAaron Westreich, M.D. is a healthcare provider in Valley Stream, NY specializing in allergy & immunology. Aaron trained at University of Maryland School of Medicine, graduating in 2017. Aaron is also listed as specializing in pediatrics. Medicare claims data shows Aaron provided 2,372 services to 145 patients. The services billed most often include test for allergy using allergenic extract, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1801329735.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
70 E SUNRISE HWY STE 411
Valley Stream, NY 11581
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
Breathing & Airway
Most searched procedures
Allergy treatments
Diagnostic
Infusion
Medication therapy
Medications
Preventive
Respiratory
Tests
Treatment
2,372 services · 145 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
2,252 | More 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 |
38 | Less often than most 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 |
38 | More often than most 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 |
32 | 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 |
12 | 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.
Aaron Westreich is an allergist in Valley Stream, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Allergy & Immunology”.
NPI registry
Aaron Westreich is listed at 70 E Sunrise Hwy Ste 411, Valley Stream, NY 11581. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (516) 355-0505. Contact the office directly to confirm availability and scheduling.
NPI registry
Aaron Westreich's National Provider Identifier is 1801329735. 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
Aaron Westreich attended University of Maryland School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
Aaron Westreich has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Aaron Westreich provides treatments such as test for allergy using allergenic extract, 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 Aaron Westreich. If this is you, claiming it is free.
Guide.md
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