Christopher Ko, MD - Medicare Gastroenterology in Ann Arbor, MI

Christopher Ko, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Ann Arbor, Michigan. He went to Boston University School Of Medicine and graduated in 2015 and has 9 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice University Of Utah Adult Services 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.

Christopher Ko is licensed to practice in Michigan (license number 4301503832) 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 1497142301.

Contact Information

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

Map and Direction




Physician's Profile

Full NameChristopher Ko
GenderMale
SpecialityGastroenterology
Experience9 Years
Location1500 E Medical Center Dr, Ann Arbor, Michigan
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:
  • Christopher Ko attended and graduated from Boston University School Of Medicine in 2015
  NPI Data:
  • NPI Number: 1497142301
  • Provider Enumeration Date: 04/17/2015
  • Last Update Date: 08/28/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9335436948
  • Enrollment ID: I20220819002890

Medical Identifiers

Medical identifiers for Christopher Ko such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1497142301NPI-NPPES
CK2322267556OtherCAUSC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 4301503832 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of Utah Hospitals And ClinicsSalt lake city, UTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Of Utah Adult Services09415252731435

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. Christopher Ko allows following entities to bill medicare on his behalf.
Entity NameUniversity Of Utah Adult Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114321981
PECOS PAC ID: 0941525273
Enrollment ID: O20150209001683

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. Christopher Ko 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
Christopher Ko, MD
3621 S State St,
Ann Arbor, MI 48108-1633

Ph: (734) 647-5299
Christopher Ko, 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
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Medicare: Accepting Medicare Assignments
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Phone: 734-936-5582    
Sameer Dev Saini, M.D.
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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
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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    

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.