Katarzyna Bigaj, M.D.
NPI 1043658420 · Pediatric Gastroenterology Physician · Bronx, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katarzyna Bigaj, M.D. is a Pediatric Gastroenterology Physician provider in Bronx, NY (NPI 1043658420).
Provider details
- NPI number
- 1043658420
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 326156 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
4 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$159 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 975 Baptist WayHomestead, FL 33033-7600Phone: (954) 583-9995
- 100 Woods RdValhalla, NY 10595-1530Phone: (914) 493-6924
- 921 Gessner RdHouston, TX 77024-2501Phone: (713) 242-3000
Registry dates
- Enumerated
- 2013-06-07
- Last updated
- 2026-03-20
- Certified
- 2026-03-20
Frequently asked questions
- What is Katarzyna Bigaj's NPI number?
- Katarzyna Bigaj's National Provider Identifier (NPI) is 1043658420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katarzyna Bigaj's specialty?
- Katarzyna Bigaj is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Katarzyna Bigaj located?
- Katarzyna Bigaj's practice location on file with NPPES is 3411 Wayne Ave Fl 7, Bronx, NY 10467-2552.
- What is Katarzyna Bigaj's phone number?
- The practice phone number listed in the NPPES registry for Katarzyna Bigaj is (847) 312-0853.
- Does Katarzyna Bigaj accept Medicare?
- Katarzyna Bigaj is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katarzyna Bigaj's NPI active?
- Yes — Katarzyna Bigaj's NPI (1043658420) is active in the NPPES registry as of the last update on 2026-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.