1. Home
  2. Directory
  3. Connecticut
  4. Fairfield
  5. Allergy Immunology
  6. NPI Profile

DR. KATHERINE ALEXIS BLOOM M.D.
NPI 1760697635
Allergy & Immunology in Fairfield, CT

Active since May 13, 2007PECOS EnrolledAccepts Medicare Assignment
55 WALLS DR, SUITE 405, FAIRFIELD, CT 06824(203) 259-7070(203) 254-7402 Get Directions Write a Review

NPPES record last updated: December 16, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Katherine Alexis Bloom M.d. NPPES

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

DR. KATHERINE ALEXIS BLOOM M.D. (NPI 1760697635) is an individual allergy & immunology provider in Fairfield, Connecticut, licensed in Connecticut (047707) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2003).

NPPES Registry Identity

NPI1760697635
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDR. KATHERINE ALEXIS BLOOMCredential: M.D.
Location Address55 WALLS DR, SUITE 405Fairfield, CT 06824-5163
Mailing Address55 Walls Dr, Suite 405Fairfield, CT 06824-5163 · (203) 259-7070 · Fax (203) 254-7402
Phone(203) 259-7070
Fax(203) 254-7402
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2003
Enumeration DateMay 13, 2007
Last NPPES UpdateDecember 16, 2015
✔ NPI 1760697635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CT · 047707
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.
55 WALLS DR, Fairfield, CT 06824
Open in Google Maps ↗

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

Dr. Katherine Alexis Bloom 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 ID7315091089
PECOS Enrollment IDI20090814000096
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 7

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.
1,597 services26 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.
477 services16 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.
129 services12 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.
83 services52 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
39 services23 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.
35 services24 patients

Referred Medical Equipment & Supplies CMS DME claims 7

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
3 suppliers29 claims90 services$17.95 avg. paid by Medicare
Ambulatory infusion pump, mechanical, reusable, for infusion 8 hours or greater E0779
DME-Other DME · category DE000N
3 suppliers11 claims11 services$13.76 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier25 claims8,680 services$9.50 avg. paid by Medicare
Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg J1568
Treatment-Injections and Infusions (nononcologic) · category RI008N
2 suppliers13 claims1,040 services$33.08 avg. paid by Medicare
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers37 claims3,460 services$35.49 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
3 suppliers29 claims152 services$2.30 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 6

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

KENNETH SCOTT BACKMAN M.D.
Allergy & Immunology
55 WALLS DR, STE. 405
FAIRFIELD, CT 06824
Greater Bridgeport Planning Region (203) 259-7070
CHRISTINE MAIER OTR/L
Occupational Therapist
55 WALLS DR
FAIRFIELD, CT 06824
Greater Bridgeport Planning Region (203) 255-3669
IRENA VEKSLER-OFFENGENDEN M.D.
Allergy & Immunology
55 WALLS DR, STE. 405
FAIRFIELD, CT 06824
Greater Bridgeport Planning Region (203) 259-7070
EMH FAMILY SERVICES PC
Marriage & Family Therapist
55 WALLS DR, STE 206
FAIRFIELD, CT 06824
Greater Bridgeport Planning Region (845) 656-3053
ALLERGY AND ASTHMA CARE OF FAIRFIELD COUNTY, LLC
Allergy & Immunology
55 WALLS DR, STE 405
FAIRFIELD, CT 06824
Greater Bridgeport Planning Region (203) 259-7070
MICHELLE NITTI
Speech-Language Pathologist
55 WALLS DR
FAIRFIELD, CT 06824
Greater Bridgeport Planning Region (203) 255-3669

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 Bloom's NPI number?

The NPI number for Katherine Bloom is 1760697635. It was assigned to this individual provider in the NPPES registry on May 13, 2007.

Where is Katherine Bloom located?

Katherine Bloom practices at 55 Walls Dr Suite 405, Fairfield, CT 06824. The listed phone number is (203) 259-7070.

What is Katherine Bloom's specialty?

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

Is Katherine Bloom enrolled in Medicare?

Yes. Katherine Bloom 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 Katherine Bloom was last updated on December 16, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.