Catherine Elizabeth Keegan, MD, PHD - Medicare Pediatric Medicine in Ann Arbor, MI

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Catherine Elizabeth Keegan, MD, PHD is a medicare enrolled "Medical Genetics - Clinical Genetics (m.d.)" physician in Ann Arbor, Michigan. She graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Pediatric Medicine. She is a member of the group practice Regents Of The University Of Michigan and her current practice location is 1500 E Medical Center Dr, Ann Arbor, Michigan. You can reach out to her office (for appointments etc.) via phone at (734) 936-4000.

Catherine Elizabeth Keegan is licensed to practice in Michigan (license number 4301073646) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1144230764.

Contact Information

Catherine Elizabeth Keegan, MD, PHD
1500 E Medical Center Dr,
Ann Arbor, MI 48109-5000
(734) 936-4000
Not Available

Map and Direction




Physician's Profile

Full NameCatherine Elizabeth Keegan
GenderFemale
SpecialityPediatric Medicine
Experience28 Years
Location1500 E Medical Center Dr, Ann Arbor, Michigan
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Catherine Elizabeth Keegan graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1144230764
  • Provider Enumeration Date: 08/08/2006
  • Last Update Date: 05/10/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 3870641806
  • Enrollment ID: I20090501000160

Medical Identifiers

Medical identifiers for Catherine Elizabeth Keegan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144230764NPI-NPPES
4417204MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208000000XPediatrics 4301073646 (Michigan)Secondary
207SG0201XMedical Genetics - Clinical Genetics (m.d.) 4301073646 (Michigan)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Regents Of The University Of Michigan37794968562953

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. Catherine Elizabeth Keegan allows following entities to bill medicare on her behalf.
Entity NameRegents Of The University Of Michigan
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205868353
PECOS PAC ID: 3779496856
Enrollment ID: O20031106000325
Entity NameEdward W Sparrow Hospital Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831139088
PECOS PAC ID: 6709799166
Enrollment ID: O20040102000790

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. Catherine Elizabeth Keegan 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
Catherine Elizabeth Keegan, MD, PHD
3621 S State St,
Ann Arbor, MI 48108-1633

Ph: (734) 647-5299		Catherine Elizabeth Keegan, MD, PHD
1500 E Medical Center Dr,
Ann Arbor, MI 48109-5000

Ph: (734) 936-4000

Reviews and Comments



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.