Dr James Frederick Guenther, DO - Medicare Internal Medicine in Lancaster, OH

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Dr James Frederick Guenther, DO is a medicare enrolled "Internal Medicine - Addiction Medicine" physician in Lancaster, Ohio. His current practice location is 1319 E Main St, Lancaster, Ohio. You can reach out to his office (for appointments etc.) via phone at (740) 653-9411.

Dr James Frederick Guenther is licensed to practice in Ohio (license number 34.004690) 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 1417933490.

Contact Information

Dr James Frederick Guenther, DO
1319 E Main St,
Lancaster, OH 43130-4005
(740) 653-9411
(740) 277-6131

Map and Direction




Physician's Profile

Full NameDr James Frederick Guenther
GenderMale
SpecialityInternal Medicine - Addiction Medicine
Location1319 E Main St, Lancaster, Ohio
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1417933490
  • Provider Enumeration Date: 12/21/2005
  • Last Update Date: 08/04/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5991874794
  • Enrollment ID: I20080520000459

Medical Identifiers

Medical identifiers for Dr James Frederick Guenther such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1417933490NPI-NPPES
0733488MedicaidOH
311274950OtherOHTAX I.D.

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 34.004690 (Ohio)Secondary
207RA0401XInternal Medicine - Addiction Medicine 34.004690 (Ohio)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. Dr James Frederick Guenther allows following entities to bill medicare on his behalf.
Entity NameFairfield Community Health Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457676736
PECOS PAC ID: 9133316805
Enrollment ID: O20101207000618
Entity NameBrightview Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659769446
PECOS PAC ID: 9032426044
Enrollment ID: O20150923000820
Entity NameFirst Step Recovery Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1467826453
PECOS PAC ID: 3375823115
Enrollment ID: O20161213000975

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 James Frederick Guenther 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 James Frederick Guenther, DO
4600 Montgomery Rd Ste 400,
Cincinnati, OH 45212-2600

Ph: (513) 873-1269		Dr James Frederick Guenther, DO
1319 E Main St,
Lancaster, OH 43130-4005

Ph: (740) 653-9411

Reviews and Comments


Internal Medicine Doctors in Lancaster, OH

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Andrew C Stiff,
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Galen B Hayek, DO
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Leon D Hughes, MD
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Douglas A Pope, MD
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Dr. Jason Timothy Weingart, MD
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Practice Location: 2405 N Columbus St, Suite 100, Lancaster, OH 43130
Phone: 740-689-4480    Fax: 740-277-7692

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.