John William Frey, DO in La Crosse, WI - Medicare Internal Medicine

John William Frey, DO is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in La Crosse, Wisconsin. His current practice location is 700 West Ave South, La Crosse, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 785-0940.

John William Frey is licensed to practice in Wisconsin (license number 81144) 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 1538600754.

Contact Information

	John William Frey, DO
	700 West Ave South, La Crosse, WI 54601-8806
	(608) 785-0940
	Not Available

Map and Direction

Physician's Profile

Full Name	John William Frey
Gender	Male
Speciality	Internal Medicine - Pulmonary Disease
Location	700 West Ave South, La Crosse, Wisconsin
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1538600754
Provider Enumeration Date: 03/20/2017
Last Update Date: 09/08/2023

Medicare PECOS Information:

PECOS PAC ID: 4688946247
Enrollment ID: I20230530001917

Medical Identifiers

Medical identifiers for John William Frey such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1538600754	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RP1001X	Internal Medicine - Pulmonary Disease	94-09289 (Kansas)	Secondary
207RP1001X	Internal Medicine - Pulmonary Disease	81144 (Wisconsin)	Primary
207R00000X	Internal Medicine	94-09289 (Kansas)	Secondary
207RC0200X	Internal Medicine - Critical Care Medicine	81144 (Wisconsin)	Secondary

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. John William Frey allows following entities to bill medicare on his behalf.

Entity Name	Mayo Clinic Health System-southwest Wisconsin Region Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1629056049 PECOS PAC ID: 0345152443 Enrollment ID: O20031110000684

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. John William Frey 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 Address	Practice Location Address
John William Frey, DO 200 1st St Sw, Rochester, MN 55905-0001 Ph: (507) 284-2511	John William Frey, DO 700 West Ave South, La Crosse, WI 54601-8806 Ph: (608) 785-0940

Reviews and Comments

Internal Medicine Doctors in La Crosse, WI

Mary K Frohnauer, MD Pulmonary Disease Medicare: Not Enrolled in Medicare Practice Location: 1836 South Ave, La Crosse, WI 54601 Phone: 608-775-2021
Derek A Hupp, Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1836 South Ave, La Crosse, WI 54601 Phone: 608-782-7300
Allen C. Foster, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1836 South Ave, La Crosse, WI 54601 Phone: 608-782-7300
Padmavathi Mali, M.D. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1836 South Ave, La Crosse, WI 54601 Phone: 608-782-7300
Emily Catherine Dolan, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1836 South Ave, La Crosse, WI 54601 Phone: 608-782-7300
Adie D Harbin Iii, MD Pulmonary Disease Medicare: Not Enrolled in Medicare Practice Location: 1836 South Ave, La Crosse, WI 54601 Phone: 608-782-7300
Gregory M Knorr, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1836 South Ave, La Crosse, WI 54601 Phone: 608-782-7300

John William Frey, DO - Medicare Internal Medicine in La Crosse, WI