Kellen Mastick, MD - Medicare Internal Medicine in South Bend, IN

Kellen Mastick, MD is a medicare enrolled "Internal Medicine" physician in South Bend, Indiana. His current practice location is 615 N Michigan St 1st Fl Hospitalist Ste, South Bend, Indiana. You can reach out to his office (for appointments etc.) via phone at (574) 647-3050.

Kellen Mastick is licensed to practice in Indiana (license number 01087004A) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1538655709.

Contact Information

Kellen Mastick, MD
615 N Michigan St 1st Fl Hospitalist Ste,
South Bend, IN 46601-1033
(574) 647-3050
(574) 647-4320

Map and Direction




Physician's Profile

Full NameKellen Mastick
GenderMale
SpecialityInternal Medicine
Location615 N Michigan St 1st Fl Hospitalist Ste, South Bend, Indiana
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1538655709
  • Provider Enumeration Date: 07/10/2018
  • Last Update Date: 05/01/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9739564014
  • Enrollment ID: I20220922002812

Medical Identifiers

Medical identifiers for Kellen Mastick such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538655709NPI-NPPES
300060015MedicaidIN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 15248 (North Dakota)Secondary
207R00000XInternal Medicine 01087004A (Indiana)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. Kellen Mastick allows following entities to bill medicare on his behalf.
Entity NameBeacon Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033161617
PECOS PAC ID: 1254243306
Enrollment ID: O20031105000657

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. Kellen Mastick 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
Kellen Mastick, MD
3245 Health Dr Ste 100,
Granger, IN 46530-1380

Ph: (574) 647-1840
Kellen Mastick, MD
615 N Michigan St 1st Fl Hospitalist Ste,
South Bend, IN 46601-1033

Ph: (574) 647-3050

Reviews and Comments


Internal Medicine Doctors in South Bend, IN

Mayank Kumar Mittal, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 610 N Michigan St Ste 400, South Bend, IN 46601
Phone: 574-647-8120    Fax: 574-647-8111
Dr. Steven P. Crowell, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 211 N Eddy St, South Bend, IN 46617
Phone: 574-237-9340    Fax: 574-239-1474
Muhammad Shakil Aslam, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 610 N Michigan St Ste 400, South Bend, IN 46601
Phone: 574-647-8120    Fax: 574-647-8111
Monika Niemiec, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 615 N Michigan St, 1st Fl Hospitalist Ste, South Bend, IN 46601
Phone: 574-647-3050    Fax: 574-647-1094
Dr. Travis Weaver, D.O.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1815 E Ireland Rd, South Bend, IN 46614
Phone: 574-647-1700    Fax: 574-647-7572
Dr. Thomas P Barbour, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 211 N Eddy St, South Bend, IN 46617
Phone: 574-237-9340    Fax: 574-239-1474
Dr. Ahmed A Abdel-latief, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 211 N Eddy St, South Bend, IN 46617
Phone: 574-239-1433    Fax: 574-239-1438

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.