Thirumazhisai Gunasekaran
NPI 1083651749 · Pediatric Gastroenterology Physician · Park Ridge, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thirumazhisai Gunasekaran is a Pediatric Gastroenterology Physician provider in Park Ridge, IL (NPI 1083651749).
Provider details
- NPI number
- 1083651749
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036084748 (IL)
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
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
$5,915 across 12 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
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2021-05-07
- Certified
- 2021-05-07
Frequently asked questions
- What is Thirumazhisai Gunasekaran's NPI number?
- Thirumazhisai Gunasekaran's National Provider Identifier (NPI) is 1083651749, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thirumazhisai Gunasekaran's specialty?
- Thirumazhisai Gunasekaran is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thirumazhisai Gunasekaran located?
- Thirumazhisai Gunasekaran's practice location on file with NPPES is 1675 Dempster St, Park Ridge, IL 60068-1110.
- What is Thirumazhisai Gunasekaran's phone number?
- The practice phone number listed in the NPPES registry for Thirumazhisai Gunasekaran is (847) 723-7700.
- Does Thirumazhisai Gunasekaran accept Medicare?
- Thirumazhisai Gunasekaran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thirumazhisai Gunasekaran's NPI active?
- Yes — Thirumazhisai Gunasekaran's NPI (1083651749) is active in the NPPES registry as of the last update on 2021-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.