Dr Nicholas Callahan, MPH DMD MD - Medicare in Chicago, IL

Dr Nicholas Callahan, MPH DMD MD is a medicare enrolled "Oral & Maxillofacial Surgery" provider in Chicago, Illinois. He went to State University Of New York Downstate Medical Center and graduated in 2013 and has 11 years of diverse experience with area of expertise as Maxillofacial Surgery. He is a member of the group practice The Board Of Trustees Of The University Of Illinois and his current practice location is 801 S Paulina St, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 413-2379.

Dr Nicholas Callahan is licensed to practice in Illinois (license number 036147058) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1083920227.

Contact Information

Dr Nicholas Callahan, MPH DMD MD
801 S Paulina St,
Chicago, IL 60612
(312) 413-2379
(312) 996-5987

Map and Direction




Healthcare Provider's Profile

Full NameDr Nicholas Callahan
GenderMale
SpecialityMaxillofacial Surgery
Experience11 Years
Location801 S Paulina St, Chicago, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Nicholas Callahan attended and graduated from State University Of New York Downstate Medical Center in 2013
  NPI Data:
  • NPI Number: 1083920227
  • Provider Enumeration Date: 08/25/2010
  • Last Update Date: 02/29/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7012202864
  • Enrollment ID: I20181015002575

Medical Identifiers

Medical identifiers for Dr Nicholas Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083920227NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
1223S0112XDentist - Oral And Maxillofacial Surgery 019031599 (Illinois)Secondary
1223S0112XDentist - Oral And Maxillofacial Surgery 021102880 (Illinois)Secondary
1223S0112XDentist - Oral And Maxillofacial Surgery 036147058 (Illinois)Secondary
204E00000XOral & Maxillofacial Surgery 019031599 (Illinois)Secondary
204E00000XOral & Maxillofacial Surgery 021002880 (Illinois)Secondary
204E00000XOral & Maxillofacial Surgery 036147058 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Illinois HospitalChicago, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Board Of Trustees Of The University Of Illinois3072422716923

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. Dr Nicholas Callahan allows following entities to bill medicare on his behalf.
Entity NameThe Board Of Trustees Of The University Of Illinois
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1386863819
PECOS PAC ID: 3072422716
Enrollment ID: O20031112000158

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. Dr Nicholas Callahan 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
Dr Nicholas Callahan, MPH DMD MD
801 S Paulina St,
Chicago, IL 60612-7210

Ph: (312) 413-2379
Dr Nicholas Callahan, MPH DMD MD
801 S Paulina St,
Chicago, IL 60612

Ph: (312) 413-2379

Reviews and Comments



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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.