John W Hamilton, MD - Medicare Internal Medicine in Madison, WI

John W Hamilton, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Madison, Wisconsin. His current practice location is 700 S Park St, Dean St. Mary's Outpatient Center, Madison, Wisconsin. You can reach out to his office (for appointments etc.) via phone at (608) 260-2900.

John W Hamilton is licensed to practice in Wisconsin (license number 23969-020) 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 1659310969.

Contact Information

John W Hamilton, MD
700 S Park St, Dean St. Mary's Outpatient Center,
Madison, WI 53715-1830
(608) 260-2900
(608) 260-2977

Map and Direction




Physician's Profile

Full NameJohn W Hamilton
GenderMale
SpecialityInternal Medicine - Gastroenterology
Location700 S Park St, Madison, Wisconsin
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1659310969
  • Provider Enumeration Date: 06/05/2006
  • Last Update Date: 11/18/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4082754924
  • Enrollment ID: I20091228000201

Medical Identifiers

Medical identifiers for John W Hamilton such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659310969NPI-NPPES
1659310969MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 23969-020 (Wisconsin)Primary

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 W Hamilton 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
John W Hamilton, MD
700 S Park St, Dean St. Mary's Outpatient Center,
Madison, WI 53715-1830

Ph: (608) 260-2900
John W Hamilton, MD
700 S Park St, Dean St. Mary's Outpatient Center,
Madison, WI 53715-1830

Ph: (608) 260-2900

Reviews and Comments


Internal Medicine Doctors in Madison, WI

Prof. Marvin Lyle Birnbaum, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 3330 University Ave, Suite 300, Madison, WI 53705
Phone: 608-263-9641    Fax: 608-265-4429
Dr. Medhavani Dhruv Chandra, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: Uw Hospitals & Clinics 600 Highland Ave, Madison, WI 53792
Phone: 608-263-6400    
Yingyu Gao, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 600 Highland Ave, Madison, WI 53792
Phone: 608-263-6400    
Jennifer Marie Rydz, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: Uw Health - Gme, 749 University Row Ste 200, Madison, WI 53705
Phone: 608-263-6400    
Dr. Sam Joseph Lubner, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 600 Highland Ave, Madison, WI 53792
Phone: 608-265-1700    
Randy S Heidel, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 20 S Park St, Madison, WI 53715
Phone: 608-287-2250    Fax: 608-287-2438
Benjamin Kleiber, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 700 S Park St, Dean & St. Mary's Outpatient Center, Madison, WI 53715
Phone: 608-260-2900    Fax: 608-260-2956

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.