Dr. Catherine Elizabeth Keegan, MD, PhD
- 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
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Dr. Keegan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1144230764NPI Registry (opens in a new tab)
- 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 Hospital1500 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.
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.
| Site | EHR vendor and product |
|---|---|
| University Hospital | Available with a free account |
| +1 more site and 1 medical group | Available 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.), MichiganPrimary
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.
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.
Need commercial claims for Dr. Keegan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keegan and other clinical genetics (m.d.) physicians in Michigan.
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.
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.
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
- Eric Jean Nicolas Vilain, MD8 shared papers
- Jeffrey Winfield Innis, MD6 shared papers
- Patricia Yvonne Fechner, MD5 shared papers
Recent publications by Dr. Keegan
Life Sci Alliance
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.
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.
- Medical school
- Board certified in clinical 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.
- Aetna
- Excellus BlueCross BlueShield
- Health Alliance Plan
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Molina
- +12 more carriersWith a free account
Plan types Dr. Keegan accepts, by number of carriers
- PPO12
- HMO11
- Medicare11
- EPO6
- POS6
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Catherine Elizabeth Keegan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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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