Isaac Anton Fonken, MD - Medicare Family Practice in Billings, MT

Isaac Anton Fonken, MD is a medicare enrolled "Family Medicine" physician in Billings, Montana. He went to University Of Colorado School Of Medicine, Aurora and graduated in 2018 and has 6 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Yellowstone City-county Health Department and his current practice location is 123 S 27th St, Billings, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 247-3350.

Isaac Anton Fonken is licensed to practice in Montana (license number 101180) 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 1538665542.

Contact Information

Isaac Anton Fonken, MD
123 S 27th St,
Billings, MT 59101-4227
(406) 247-3350
(406) 247-3389



Physician's Profile

Full NameIsaac Anton Fonken
GenderMale
SpecialityFamily Practice
Experience6 Years
Location123 S 27th St, Billings, Montana
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:
  • Isaac Anton Fonken attended and graduated from University Of Colorado School Of Medicine, Aurora in 2018
  NPI Data:
  • NPI Number: 1538665542
  • Provider Enumeration Date: 03/30/2018
  • Last Update Date: 08/26/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7810251113
  • Enrollment ID: I20210901003846

Medical Identifiers

Medical identifiers for Isaac Anton Fonken such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1538665542NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 000000 (Montana)Secondary
207Q00000XFamily Medicine 101180 (Montana)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Vincent HealthcareBillings, MTHospital
Billings ClinicBillings, MTHospital
Avantara Of BillingsBillings, MTNursing home

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Yellowstone City-county Health Department145625915939

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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. Isaac Anton Fonken allows following entities to bill medicare on his behalf.
Entity NameYellowstone City-county Health Department
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841219698
PECOS PAC ID: 1456259159
Enrollment ID: O20031219000249

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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. Isaac Anton Fonken 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
Isaac Anton Fonken, MD
123 S 27th St,
Billings, MT 59101-4227

Ph: (406) 247-3350
Isaac Anton Fonken, MD
123 S 27th St,
Billings, MT 59101-4227

Ph: (406) 247-3350

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Phosphorous levels plummet in kidney disease patients who stick to a vegetarian diet, according to a study appearing in an upcoming issue of the Clinical Journal of the American Society Nephrology. The results suggest that eating vegetables rather than meat can help kidney disease patients avoid accumulating toxic levels of this mineral in their bodies.

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› Verified 2 days ago


Family Medicine Doctors in Billings, MT

Michael D. Monday, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1775 Spring Creek Dr, Billings, MT 59102
Phone: 406-373-3500    Fax: 406-373-3520
Aaron James Audet, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Angel M. Eads, MD
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 123 S 27th St, Billings, MT 59101
Phone: 406-247-3220    Fax: 406-651-6406
John Konow, MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 123 S 27th St, Billings, MT 59101
Phone: 406-247-3350    Fax: 406-247-3389
Cynthia Kay Brewer, D.O.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 801 N 29th St, Billings, MT 59101
Phone: 406-238-2500    
Dr. Amy Solomon, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 123 S 27th St, Billings, MT 59101
Phone: 406-247-3350    Fax: 406-247-3389
Lawrence A. Hemmer, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2675 Central Ave, Billings, MT 59102
Phone: 406-238-2500    

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