Dr John Frederick, MD - Medicare Internal Medicine in Dyer, IN

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Dr John Frederick, MD is a medicare enrolled "Hospitalist" physician in Dyer, Indiana. He graduated from medical school in 2005 and has 19 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Florida Hospital Healthcare Partners, Inc and his current practice location is 24 Joliet St, Dyer, Indiana. You can reach out to his office (for appointments etc.) via phone at (219) 865-2141.

Dr John Frederick is licensed to practice in Indiana (license number 01076100A) 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 1598027153.

Contact Information

Dr John Frederick, MD
24 Joliet St,
Dyer, IN 46311-1705
(219) 865-2141
Not Available

Map and Direction




Physician's Profile

Full NameDr John Frederick
GenderMale
SpecialityInternal Medicine
Experience19 Years
Location24 Joliet St, Dyer, Indiana
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 John Frederick graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1598027153
  • Provider Enumeration Date: 06/11/2012
  • Last Update Date: 03/19/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 4486962446
  • Enrollment ID: I20210914001735

Medical Identifiers

Medical identifiers for Dr John Frederick such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598027153NPI-NPPES
201338270MedicaidIN
F400244803OtherILMEDICARE PTAN

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 01076100A (Indiana)Secondary
207R00000XInternal Medicine 036138817 (Illinois)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
208M00000XHospitalist 01076100A (Indiana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventhealth WatermanTavares, FLHospital
St Joe Mercy Hospital System LivoniaLivonia, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Florida Hospital Healthcare Partners, Inc7012266836269

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 John Frederick allows following entities to bill medicare on his behalf.
Entity NameFlorida Hospital Healthcare Partners, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780100529
PECOS PAC ID: 7012266836
Enrollment ID: O20180831000335

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 John Frederick 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 John Frederick, MD
Po Box 781076,
Detroit, MI 48278-1076

Ph: (317) 528-4800		Dr John Frederick, MD
24 Joliet St,
Dyer, IN 46311-1705

Ph: (219) 865-2141

Reviews and Comments


Hospitalist Doctors in Dyer, IN

Jeannie Boram Ur, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 24 Joliet St, Dyer, IN 46311
Phone: 219-865-2141    Fax: 219-933-2288
Dr. Harold Leroy Rahming, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 24 Joliet St, Dyer, IN 46311
Phone: 219-865-2141    Fax: 219-933-2288
Dr. Chike Olisa Nwokolo, DO
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 24 Joliet St, Dyer, IN 46311
Phone: 219-865-2141    Fax: 219-933-2288

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.