William Lee Hasler, MD in Ann Arbor, MI - Medicare Gastroenterology

William Lee Hasler, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Ann Arbor, Michigan. He graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Mayo Clinic - Arizona and his current practice location is 1500 E Medical Center Dr, Ann Arbor, Michigan. You can reach out to his office (for appointments etc.) via phone at (734) 936-4000.

William Lee Hasler is licensed to practice in Arizona (license number 64800) 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 1346322872.

Contact Information

	William Lee Hasler, MD
	1500 E Medical Center Dr, Ann Arbor, MI 48109-5000
	(734) 936-4000
	Not Available

Map and Direction

Physician's Profile

Full Name	William Lee Hasler
Gender	Male
Speciality	Gastroenterology
Experience	41 Years
Location	1500 E Medical Center Dr, Ann Arbor, Michigan
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

William Lee Hasler graduated from medical school in 1983

NPI Data:

NPI Number: 1346322872
Provider Enumeration Date: 10/20/2006
Last Update Date: 10/18/2021

Medicare PECOS Information:

PECOS PAC ID: 4587793047
Enrollment ID: I20211101002509

Medical Identifiers

Medical identifiers for William Lee Hasler such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1346322872	NPI	-	NPPES
2628219	Medicaid	MI

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207R00000X	Internal Medicine	4301404025 (Michigan)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	4301404025 (Michigan)	Secondary
207RG0100X	Internal Medicine - Gastroenterology	64800 (Arizona)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Mayo Clinic Hospital	Phoenix, AZ	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Mayo Clinic - Arizona	7012829930	1400

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. William Lee Hasler allows following entities to bill medicare on his behalf.

Entity Name	Mayo Clinic Arizona
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1558332494 PECOS PAC ID: 7012829930 Enrollment ID: O20031105000782

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. William Lee Hasler 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
William Lee Hasler, MD 13400 E Shea Blvd, Scottsdale, AZ 85259-5452 Ph: (480) 301-8000	William Lee Hasler, MD 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000 Ph: (734) 936-4000

Reviews and Comments

Internal Medicine Doctors in Ann Arbor, MI

Nabil Alkhoury Fallouh, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1500 East Medical Center Dr, 3rd Floor Taubman Ctr Recp B, Ann Arbor, MI 48109 Phone: 734-936-5582
Sameer Dev Saini, M.D. Gastroenterology Medicare: Medicare Enrolled Practice Location: 1500 E Medical Center Dr, Ann Arbor, MI 48109 Phone: 734-936-4000
Dr. David Alexander Stewart, M.D. Gastroenterology Medicare: Medicare Enrolled Practice Location: 1500 E Medical Center Dr, 12th Floor C.s. Mott Children's Hospital Room 525, Ann Arbor, MI 48109 Phone: 734-763-5302 Fax: 734-647-5624
Dr. Aiman M Mahmood, M.D. Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1500 E Medical Center Dr, Med Inn C728, Ann Arbor, MI 48109 Phone: 734-998-0891
Anastasia Irene Wasylyshyn, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 1500 E Medical Center Dr, Ann Arbor, MI 48109 Phone: 734-936-4000
Katherine Saber Salisbury, MD Gastroenterology Medicare: Accepting Medicare Assignments Practice Location: 4260 Plymouth Rd, Ann Arbor, MI 48109 Phone: 734-764-6831
Anne Lewis Carlton, Gastroenterology Medicare: Not Enrolled in Medicare Practice Location: 1500 E Medical Center Dr, Ann Arbor, MI 48109 Phone: 734-647-5900

William Lee Hasler, MD - Medicare Gastroenterology in Ann Arbor, MI