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JENNIFER MARIE DIAZ MD
NPI 1053636431
Allergy & Immunology in Port Jefferson Station, NY

Active since March 29, 2010PECOS EnrolledAccepts Medicare Assignment
91.28/100
CMS Quality Rating
1500 ROUTE 112, BLDG. 4 - 2ND FLOOR, PORT JEFFERSON STATION, NY 11776(631) 828-7001(631) 928-0185 Get Directions Write a Review

NPPES record last updated: April 2, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 2, 2019, Feb 10, 2016 (2 updates tracked since 2016).

About Jennifer Marie Diaz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JENNIFER MARIE DIAZ MD (NPI 1053636431) is an individual allergy & immunology provider in Port Jefferson Station, New York, licensed in New York (251188) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of New York Medical College (2007).

NPPES Registry Identity

NPI1053636431
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameJENNIFER MARIE DIAZCredential: MD
Location Address1500 ROUTE 112, BLDG. 4 - 2ND FLOORPort Jefferson Station, NY 11776-8054
Mailing Address660 White Plains Rd Fl 4Tarrytown, NY 10591-5139 · (914) 984-2546
Phone(631) 828-7001
Fax(631) 928-0185
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2007
Enumeration DateMarch 29, 2010
Last NPPES UpdateApril 2, 20192 updates tracked since enumeration
✔ NPI 1053636431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in NY · 251188
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedPediatricsTaxonomy 208000000X · License 2511881 (NY)
1500 ROUTE 112, Port Jefferson Station, NY 11776
Open in Google Maps ↗

Other Identifiers 1

OtherP01438980NY · Railroad Medicare Pin

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jennifer Marie Diaz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951527464
PECOS Enrollment IDI20140718000687
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
10,096 services188 patients
Test for allergy using allergenic extract injected into skin 95024
An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.
1,290 services115 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
392 services35 patients
Test for allergy using combination of methods with drug or biological 95018
An allergy test with a drug or biological involves multiple methods. Skin tests may be performed where small amounts of allergens are introduced to the skin. Blood tests measure your immune system's response to specific allergens. These tests help identify what substances you're allergic to.
212 services24 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
163 services163 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
125 services116 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.16
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
3 suppliers12 claims12 services$35.91 avg. paid by Medicare
Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers13 claims2,550 services$12.33 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELEANA KITZ NP
Nurse Practitioner (Family)
1500 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 771-3000
ZARLASHT KHAN
Internal Medicine (Rheumatology)
1500 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 743-6840
RAMAN SINGH NP
Nurse Practitioner (Adult Health)
1500 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 751-3000
LONG ISLAND DIGESTIVE ENDOSCOPY CENTER, LLC
Clinic/Center (Ambulatory Surgical)
1500 ROUTE 112, BLDG 5
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 828-3400
JOHN PAUL SUGRUE M.D.
Otolaryngology
1500 ROUTE 112, BLDG. 4 - 2ND FLOOR
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 828-7001
MR. CRAIG PETER DAVIDSON
Physical Therapist
1500 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 849-6688
JEFFREY L VACIRCA MD
Internal Medicine (Hematology & Oncology)
1500 ROUTE 112, BLDG 4
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 574-8354
MARY MARGARET SIANO LMT
Massage Therapist
1500 ROUTE 112
PORT JEFFERSON STATION, NY 11776
Suffolk County (631) 343-4184

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Diaz's NPI number?

The NPI number for Jennifer Diaz is 1053636431. It was assigned to this individual provider in the NPPES registry on March 29, 2010.

Where is Jennifer Diaz located?

Jennifer Diaz practices at 1500 Route 112 Bldg. 4 - 2nd Floor, Port Jefferson Station, NY 11776. The listed phone number is (631) 828-7001.

What is Jennifer Diaz's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Jennifer Diaz enrolled in Medicare?

Yes. Jennifer Diaz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Jennifer Diaz affiliated with any hospitals?

According to CMS data, Jennifer Diaz is affiliated with John T Mather Memorial Hospital Of Port Jefferson.

When was this NPI record last updated?

The NPPES record for Jennifer Diaz was last updated on April 2, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.