Dr. Catherine Elizabeth Keegan, MD, PhD

  • Ann Arbor, MI
  • Clinical genetics (m.d.) physician
NPI1144230764PAC ID3870641806
Medicare services, 2021
17
Medicare patients, 2024
12
Publications
71
Hospital affiliations
1
Medical groups
2
Practice address
1500 E Medical Center Dr, Ann Arbor, MI 48109
Practice phone
Call (734) 936-4000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

University Hospital

School-Based Health Center · Ann Arbor, Michigan

See all 4 affiliations

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Dr. Catherine Elizabeth Keegan is a clinical genetics (m.d.) physician in Ann Arbor, Michigan

Dr. Keegan practices at University Hospital in Ann Arbor, Michigan.

Dr. Keegan's NPI, 1144230764, was assigned on August 8, 2006. Dr. Keegan graduated from University Of Michigan Medical School in 1996. Dr. Keegan holds Michigan license 4301073646.

NPI and contact details
Medicare PAC ID
3870641806
NPI enumeration date
August 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(734) 936-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Catherine Elizabeth Keegan practices at University Hospital in Ann Arbor, Michigan

Dr. Keegan's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.

  • University Hospital
    1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000

Source: Dmand AI Affiliation Data

Dr. Catherine Elizabeth Keegan is affiliated with 2 sites of care and 2 medical groups

Dr. Keegan's primary practice is University Hospital in Ann Arbor, Michigan. Dr. Keegan is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Keegan to 1 more medical group, named with a free account. Dr. Keegan's employer is on file too: a school & student health.

See all 4 affiliations for Dr. Keegan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Catherine Elizabeth Keegan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keegan practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Catherine Elizabeth Keegan is one of 32 clinical genetics (m.d.) physicians in Michigan

Clinical genetics (m.d.) is Dr. Keegan's primary specialty in the NPI Registry, under taxonomy code 207SG0201X. Dr. Keegan is board certified in clinical genetics and genomics by the American Board of Medical Genetics and Genomics. Dr. Keegan is licensed in Michigan.

Specialties and state licenses

  • Clinical genetics (m.d.), MichiganPrimaryLicense 4301073646 · 1999 to 2027 · taxonomy 207SG0201X

Clinical genetics (m.d.) physicians near Dr. Keegan

Counts of clinical genetics (m.d.) physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Catherine Elizabeth Keegan billed Medicare for 17 services in 2021

CMS data shows 17 Medicare services from Dr. Keegan across 1 procedure code in 2021, for 12 Medicare patients. Medicare paid $642 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202117
Medicare patients12
Paid by Medicare$642
Procedure codes1

Dr. Keegan compared with the Michigan median for clinical genetics (m.d.) physicians, 2021

  • Dr. Keegan
  • Michigan median
Medicare services
17vs 3450% below
Medicare patients
12vs 2654% below

Medians across 21 clinical genetics (m.d.) physicians in Michigan with Dmand AI profiles that report each measure.

Dr. Keegan's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Keegan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keegan and other clinical genetics (m.d.) physicians in Michigan.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Catherine Elizabeth Keegan treated 12 Medicare patients in 2024, average age 46

CMS counts 12 Medicare patients who saw Dr. Keegan in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.73, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Keegan's median patient age at 8, with 47% women.

Medicare patients, 202412
Average age46
Average risk score1.73

Dr. Keegan's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Keegan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 8

Patient panel by sex, all payers

  • Women47%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Dr. Catherine Elizabeth Keegan takes part in Medicare

Dr. Keegan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Catherine Elizabeth Keegan has 71 publications on record

Dmand AI links 71 papers to Dr. Keegan, published from 2002 to 2025. 2020 was the busiest year, with 6. The most frequent topics are Phenotype, Telomere-Binding Proteins and Intellectual Disability. Dr. Keegan has published most often in Am J Med Genet A. Dr. Keegan's most frequent co-authors are Eric Jean Nicolas Vilain, MD, Jeffrey Winfield Innis, MD and Patricia Yvonne Fechner, MD.

Papers71
Years published2002 to 2025

Dr. Keegan's papers by year, 2014 to 2025

Topics Dr. Keegan writes about most

  • Phenotype
  • Telomere-Binding Proteins
  • Intellectual Disability
  • Disorders of Sex Development
  • Shelterin Complex
  • Homeodomain Proteins
  • Transcription Factors
  • Abnormalities, Multiple

Dr. Keegan's most frequent co-authors

Recent publications by Dr. Keegan

See all 71 publications and co-authors

See who Dr. Keegan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Keegan works with, so you can find a warm path to the right clinical genetics (m.d.) physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Catherine Elizabeth Keegan graduated from University Of Michigan Medical School

Dr. Keegan graduated from University Of Michigan Medical School in 1996.

  1. Medical schoolUniversity Of Michigan Medical School
  2. Board certified in clinical genetics and genomicsAmerican Board of Medical Genetics and Genomics

Source: Dmand AI Professional Profile Data

Dr. Catherine Elizabeth Keegan accepts plans from 20 insurance carriers

Dr. Keegan is in network with 20 carriers, including Aetna, Excellus BlueCross BlueShield and Health Alliance Plan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Keegan accepts, by number of carriers

  1. PPO12
  2. HMO11
  3. Medicare11
  4. EPO6
  5. POS6
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Catherine Elizabeth Keegan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Catherine Elizabeth Keegan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Catherine Elizabeth Keegan's NPI number?

Dr. Catherine Elizabeth Keegan's NPI number is 1144230764. It was assigned on August 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Catherine Elizabeth Keegan?

Dr. Catherine Elizabeth Keegan is a clinical genetics (m.d.) physician in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Clinical Genetics (M.D.) Physician (taxonomy code 207SG0201X).

Where does Dr. Catherine Elizabeth Keegan practice?

Dr. Keegan practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Keegan's primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Keegan to 1 medical group.

What is Dr. Catherine Elizabeth Keegan's office phone number?

The practice phone on file for Dr. Keegan is (734) 936-4000.

What is Dr. Catherine Elizabeth Keegan's medical license number?

Dr. Keegan holds Michigan license 4301073646.

Which hospitals is Dr. Catherine Elizabeth Keegan affiliated with?

Dr. Keegan is affiliated with University Hospital.

What medical group is Dr. Catherine Elizabeth Keegan part of?

Dr. Keegan is linked to University of Michigan Health. Dmand AI links Dr. Keegan to 1 more medical group.

Does Dr. Catherine Elizabeth Keegan accept Medicare?

Yes. CMS data shows Dr. Keegan billed Medicare for 17 services in 2021, and Dr. Keegan accepts Medicare assignment.

How many Medicare patients does Dr. Catherine Elizabeth Keegan see?

CMS counts 12 Medicare patients who saw Dr. Keegan in 2024, with an average age of 46.

Is Dr. Catherine Elizabeth Keegan board certified?

Yes. Dr. Keegan is board certified in clinical genetics and genomics by the American Board of Medical Genetics and Genomics.

Show 6 more questionsShow fewer questions

What services does Dr. Catherine Elizabeth Keegan bill to Medicare?

In 2021, Dr. Keegan's most billed Medicare services were medicare service (G0452).

Where did Dr. Catherine Elizabeth Keegan go to medical school?

Dr. Keegan graduated from University Of Michigan Medical School in 1996.

How long has Dr. Catherine Elizabeth Keegan been practicing?

Dr. Keegan graduated from medical school in 1996, 30 years ago.

Does Dr. Catherine Elizabeth Keegan do research?

Dmand AI links 71 publications to Dr. Keegan, published from 2002 to 2025.

Who does Dr. Catherine Elizabeth Keegan publish with?

Dr. Keegan's most frequent co-authors are Eric Jean Nicolas Vilain, MD (8 shared papers), Jeffrey Winfield Innis, MD (6 shared papers) and Patricia Yvonne Fechner, MD (5 shared papers).

What insurance does Dr. Catherine Elizabeth Keegan accept?

Dr. Keegan is in network with 20 carriers, including Aetna, Excellus BlueCross BlueShield and Health Alliance Plan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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