Theiju Sebastian, MD - Medicare Pediatrics in New Haven, CT

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Theiju Sebastian, MD is a medicare enrolled "Pediatrics" physician in New Haven, Connecticut. Her current practice location is 20 York St, New Haven, Connecticut. You can reach out to her office (for appointments etc.) via phone at (203) 688-4242.

Theiju Sebastian is licensed to practice in Illinois (license number 036165120) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1215465950.

Contact Information

Theiju Sebastian, MD
20 York St,
New Haven, CT 06510-3220
(203) 688-4242
Not Available

Map and Direction




Physician's Profile

Full NameTheiju Sebastian
GenderFemale
SpecialityPediatrics
Location20 York St, New Haven, Connecticut
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1215465950
  • Provider Enumeration Date: 05/25/2017
  • Last Update Date: 07/31/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9739424185
  • Enrollment ID: I20230816001739

Medical Identifiers

Medical identifiers for Theiju Sebastian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215465950NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 036165120 (Illinois)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Theiju Sebastian allows following entities to bill medicare on her behalf.
Entity NameUniversity Of Chicago
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821048786
PECOS PAC ID: 7719899426
Enrollment ID: O20031103000094
Entity NameThe University Of Chicago Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033218128
PECOS PAC ID: 7618880766
Enrollment ID: O20031106000203
Entity NameOsf Healthcare System
Entity TypePart B Supplier - Hospital Department(s)
Entity IdentifiersNPI Number: 1811016124
PECOS PAC ID: 4284541806
Enrollment ID: O20070504000101
Entity NameOsf Multi-specialty Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922445527
PECOS PAC ID: 3678889789
Enrollment ID: O20150904000279

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Theiju Sebastian is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Theiju Sebastian, MD
20 York St,
New Haven, CT 06510-3220

Ph: (203) 688-4242		Theiju Sebastian, MD
20 York St,
New Haven, CT 06510-3220

Ph: (203) 688-4242

Reviews and Comments


Pediatrics Doctors in New Haven, CT

Dr. Yeisid F Gozzo, M.D.
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Phone: 203-688-2320    
Ruchika S Karnik, MD
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Dr. Danice Kuruvilla, M.D.
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Thomas Garrett Flynn, MD
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Phone: 203-785-2140    Fax: 203-785-6414
Caitlin Elizabeth Hansen, M.D.
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Medicare: Medicare Enrolled
Practice Location: 20 York St, New Haven, CT 06510
Phone: 203-785-4730    Fax: 203-785-6961
Trupti Ingle, MD
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Medicare: Medicare Enrolled
Practice Location: 20 York St, New Haven, CT 06510
Phone: 203-688-4242    
Dr. Shamsa N Shafi, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 20 York St, New Haven, CT 06510
Phone: 203-688-4242    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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