KATHERINE SZEMA M.D.
NPI 1841363660
Allergy & Immunology in Shrewsbury, NJ

Active since November 17, 2006PECOS EnrolledAccepts Medicare Assignment
91.28/100
CMS Quality Rating
1131 BROAD ST, SUITE 103, SHREWSBURY, NJ 07702(732) 389-3388(732) 389-2387 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Katherine Szema M.d. NPPES

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

KATHERINE SZEMA M.D. (NPI 1841363660) is an individual allergy & immunology provider in Shrewsbury, New Jersey, licensed in New Jersey (25MA09533300) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Riverview Medical Center, and is a graduate of Jefferson Medical College Of Thomas Jefferson University (1995).

NPPES Registry Identity

NPI1841363660
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameKATHERINE SZEMACredential: M.D.
Location Address1131 BROAD ST, SUITE 103Shrewsbury, NJ 07702-4329
Mailing Address660 White Plains Rd Fl 4Tarrytown, NY 10591-5139 · (914) 984-2546
Fax(732) 389-2387
Sole ProprietorNo
Medical School CMSJefferson Medical College Of Thomas Jefferson UniversityGraduated 1995
Enumeration DateNovember 17, 2006
Last NPPES UpdateJuly 25, 2025
NPPES CertifiedJuly 25, 2025
NPI 1841363660 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 NJ · 25MA09533300
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 ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License 25MA09533300 (NJ)
1131 BROAD ST, Shrewsbury, NJ 07702

Other Identifiers 2

Other92Q071NY · Empire Bcbs
Medicaid02095467NY

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

Katherine Szema M.d. 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 ID7911031869
PECOS Enrollment IDI20140930000278
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 12

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.
12,232 services168 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.
1,713 services112 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.
752 services58 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.
145 services112 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.
103 services103 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.
90 services90 patients

Hospital Affiliations CMS Care Compare 2

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

Riverview Medical Center

Acute Care Hospitals · Red Bank, NJ
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310034
LocationOne Riverview PlazaRed Bank, NJ 07701 · Monmouth County
Emergency services Birthing friendly

Bayshore Medical Center

Acute Care Hospitals · Holmdel, NJ
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310112
Location727 N Beers StHolmdel, NJ 07733 · Monmouth 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 8

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
5 suppliers31 claims53 services$18.06 avg. paid by Medicare
Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222
DME-Medical/Surgical Supplies · category DA000N
2 suppliers14 claims22 services$34.35 avg. paid by Medicare
Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mg J1459
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers33 claims1,830 services$35.73 avg. paid by Medicare
Injection, immune globulin, intravenous, lyophilized (e.g., powder), not otherwise specified, 500 mg J1566
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier29 claims1,860 services$56.05 avg. paid by Medicare
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier22 claims1,000 services$35.75 avg. paid by Medicare
Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers23 claims8,700 services$12.31 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.

Otolaryngology
1131 BROAD ST, SUITE 102
SHREWSBURY, NJ 07702
Obstetrics & Gynecology (Reproductive Endocrinology)
1131 BROAD ST, 104
SHREWSBURY, NJ 07702
Radiology (Diagnostic Radiology)
1131 BROAD ST, SUITE 110
SHREWSBURY, NJ 07702
Surgery
1131 BROAD ST, SUITE 101
SHREWSBURY, NJ 07702
Nurse Practitioner
1131 BROAD ST, 201
SHREWSBURY, NJ 07702
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
1131 BROAD ST, SUITE 201
SHREWSBURY, NJ 07702
Audiologist
1131 BROAD ST, SUITE 103
SHREWSBURY, NJ 07702
Oral & Maxillofacial Surgery
1131 BROAD ST, SUITE 109
SHREWSBURY, NJ 07702

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 Katherine Szema's NPI number?

The NPI number for Katherine Szema is 1841363660. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is Katherine Szema located?

Katherine Szema practices at 1131 Broad St Suite 103, Shrewsbury, NJ 07702. The listed phone number is (732) 389-3388.

What is Katherine Szema's specialty?

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

Is Katherine Szema enrolled in Medicare?

Yes. Katherine Szema 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 Katherine Szema affiliated with any hospitals?

According to CMS data, Katherine Szema is affiliated with Riverview Medical Center and Bayshore Medical Center.

When was this NPI record last updated?

The NPPES record for Katherine Szema was last updated on July 25, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.