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Physician

JENNIFER DIAZ, MD

Allergy & Immunology

PORT JEFFERSON STATION, NY, 11776
NPI: 1053636431Also: Pediatrics

Contact

Allergy & Immunology

PORT JEFFERSON STATION, NY

JOHN T MATHER MEMORIAL HOSPITAL OF PORT JEFFERSON

631-473-1320

matherhospital.org

Hospital Affiliations

Search procedure prices at these hospitals only

Common Procedures for Allergy & Immunology

Allergy Skin TestingImmunotherapy (Allergy Shots)Pulmonary Function TestingPatch TestingDrug Allergy TestingAsthma ManagementEczema TreatmentImmunodeficiency Evaluation

Based on specialty. Actual services may vary — contact the provider's office to confirm.

MIPS Quality Score

PY 2023
91.3/100Exceptional
Quality
84.2
Promoting Interoperability
100.0
Improvement Activities
40.0

MIPS (Merit-based Incentive Payment System) scores measure quality, cost, and improvement activities. Higher is better. Learn more at qpp.cms.gov

Procedure Pricing (Medicare Data)

Based on CMS Medicare Provider Utilization data for 2023. These represent what this physician charged Medicare, not necessarily what you would pay. Compare with other physicians

ProcedureAvg ChargeMedicare AllowedMedicare PaidServices
99204
New patient office or other outpatient visit, 45-59 minutes
$360$198$153129
95076
Test for allergy using ingested items, initial 2 hours
$310$142$10514
99214
Established patient office or other outpatient visit, 30-39 minutes
$225$148$107105
99213
Established patient office or other outpatient visit, 20-29 minutes
$217$106$80106
99203
New patient office or other outpatient visit, 30-44 minutes
$200$132$9871
95117
Professional service for multiple injections of allergen
$60$15$11466
95018
Test for allergy using combination of methods with drug or biological
$50$24$19107
95024
Test for allergy using allergenic extract injected into skin
$18$10$81,208
95044
Test for allergy using skin patch
$15$7$5649
95004
Test for allergy using allergenic extract
$15$5$47,768
96160
Administration and interpretation of patient-focused health risk assessment
$9$3$232

Compare prices for procedures performed by Allergy & Immunology physicians

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Physician identity data from the NPPES NPI Registry. Last synced 3/28/2026.