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MISS KATARZYNA BIGAJ M.D.
NPI 1043658420
Pediatrics - Pediatric Gastroenterology in Bronx, NY

Active since June 07, 2013PECOS Enrolled
3411 WAYNE AVE FL 7, BRONX, NY 10467(847) 312-0853 Get Directions Write a Review

NPPES record last updated: March 20, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 20, 2026, Jun 8, 2024, Aug 30, 2018 (3 updates tracked since 2018).

About Miss Katarzyna Bigaj M.d. NPPES

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

MISS KATARZYNA BIGAJ M.D. (NPI 1043658420) is an individual pediatric gastroenterology provider in Bronx, New York, licensed in New York (326156) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1043658420
Entity TypeIndividualFemale
Primary Taxonomy2080P0206X
Provider Legal NameMISS KATARZYNA BIGAJCredential: M.D.
Location Address3411 WAYNE AVE FL 7Bronx, NY 10467-2552
Mailing Address3411 Wayne Ave Fl 7Bronx, NY 10467-2552
Phone(847) 312-0853
Sole ProprietorNo
Enumeration DateJune 7, 2013
Last NPPES UpdateMarch 20, 20263 updates tracked since enumeration
NPPES CertifiedMarch 20, 2026
✔ NPI 1043658420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in NY · 326156
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
3411 WAYNE AVE FL 7, Bronx, NY 10467
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1921 Gessner RdHouston, TX 77024-2501 · Phone (713) 242-3000
Location 2975 Baptist WayHomestead, FL 33033-7600 · Phone (954) 583-9995
Location 3100 Woods RdValhalla, NY 10595-1530 · Phone (914) 493-6924

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Miss Katarzyna Bigaj M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Katarzyna Bigaj reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Montefiore Medical Center
0.1 mi
Anesthesiology
111 E 210TH ST
Bronx, NY 10467
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
NPI 1063525152 (914) 378-6021
Boston Children's Health Physicians, LLP
15 mi
Pediatrics
19 SKYLINE DR OFC 1N-D06
Hawthorne, NY 10532
  • Reassigned Medicare billing, New York enrollment
  • 511 clinicians in this Medicare group
NPI 1467454967 (914) 594-2100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10467 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

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

SALIH DEMIRHAN MD
Student in an Organized Health Care Education/Training Program
3411 WAYNE AVE FL 7
BRONX, NY 10467
Bronx County (347) 334-9891
ESTHER TIFFANY DAVIS D.O.
Pediatrics (Pediatric Gastroenterology)
3411 WAYNE AVE FL 7
BRONX, NY 10467
Bronx County (718) 741-2332
SHARLENE SY M.D.
Pediatrics
3411 WAYNE AVE FL 7
BRONX, NY 10467
Bronx County (623) 698-5953
RACHEL BORLACK
Pediatrics (Pediatric Gastroenterology)
3411 WAYNE AVE FL 7
BRONX, NY 10467
Bronx County (717) 741-2332

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 Katarzyna Bigaj's NPI number?

The NPI number for Katarzyna Bigaj is 1043658420. It was assigned to this individual provider in the NPPES registry on June 7, 2013.

Where is Katarzyna Bigaj located?

Katarzyna Bigaj practices at 3411 Wayne Ave Fl 7, Bronx, NY 10467. The listed phone number is (847) 312-0853.

What is Katarzyna Bigaj's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Katarzyna Bigaj enrolled in Medicare?

Yes. Katarzyna Bigaj is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katarzyna Bigaj's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katarzyna Bigaj reassigns Medicare benefits to 2 organizations: Montefiore Medical Center (Bronx, NY) and Boston Children's Health Physicians, LLP (Hawthorne, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katarzyna Bigaj's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katarzyna Bigaj was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.