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IWONA DZIEWA D.O.
NPI 1083091789
Allergy & Immunology in Jefferson Valley, NY

Active since May 01, 2015PECOS EnrolledAccepts Medicare Assignment
3680 HILL BLVD, JEFFERSON VALLEY, NY 10535(914) 245-7700(914) 248-2081 Get Directions Write a Review

NPPES record last updated: June 28, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 24, 2021, Jul 9, 2019, Sep 21, 2018 (3 updates tracked since 2018).

About Iwona Dziewa D.o. NPPES

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

IWONA DZIEWA D.O. (NPI 1083091789) is an individual allergy & immunology provider in Jefferson Valley, New York, licensed in New York (309855) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1083091789
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameIWONA DZIEWACredential: D.O.
Location Address3680 HILL BLVDJefferson Valley, NY 10535-1500
Mailing Address6026 80th Ave Apt 1Glendale, NY 11385-6048 · (347) 612-6018
Phone(914) 245-7700
Fax(914) 248-2081
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateMay 1, 2015
Last NPPES UpdateJune 28, 20233 updates tracked since enumeration
NPPES CertifiedJune 28, 2023
✔ NPI 1083091789 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
Licenses✔ Licensed in NY · 309855✔ Licensed in PA · OS021208
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.
3680 HILL BLVD, Jefferson Valley, NY 10535
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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

Iwona Dziewa D.o. 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 ID9830442532
PECOS Enrollment IDI20221220001755
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.
443 services21 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
380 services15 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.
250 services53 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
114 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
73 services52 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
48 services48 patients

Other Providers at the Same Location NPPES 15

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

DR. WILLIAM MILLAR ZURHELLEN M.D.
Pediatrics
3680 HILL BLVD, CAREMOUNT MEDICAL PC
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
DR. ALISHA LENORA LIGGETT MD
Family Medicine
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 245-7700
AMY AMIN PATIL MD
Pediatrics
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
DR. JEFFREY PETER SCHACHNE M.D.
Dermatology
3680 HILL BLVD, MOUNT KISCO MEDICAL GROUP, PC
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
JOHN DANIEL SCINTO MD
Allergy & Immunology (Allergy)
3680 HILL BLVD, CAREMOUNT MEDICAL PC
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
MS. SHARONA DAUBE PA-C
Physician Assistant
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 245-7700
WILLIAM J REED P.A.
Dermatology
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 241-1050
OPTUM MEDICAL CARE, P.C.
Durable Medical Equipment & Medical Supplies
3680 HILL BLVD
JEFFERSON VALLEY, NY 10535
Westchester County (914) 245-7700

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 Iwona Dziewa's NPI number?

The NPI number for Iwona Dziewa is 1083091789. It was assigned to this individual provider in the NPPES registry on May 1, 2015.

Where is Iwona Dziewa located?

Iwona Dziewa practices at 3680 Hill Blvd, Jefferson Valley, NY 10535. The listed phone number is (914) 245-7700.

What is Iwona Dziewa's specialty?

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

Is Iwona Dziewa enrolled in Medicare?

Yes. Iwona Dziewa 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.

When was this NPI record last updated?

The NPPES record for Iwona Dziewa was last updated on June 28, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.