Dr. Mary Shannon Clayton, MD
- Medicare services, 2024
- 63
- Medicare patients, 2024
- 104
- MIPS score, 2024
- 79
- Hospital affiliations
- 3
- Industry payments
- $18
- Practice address
- 530 South Jackson Street, Louisville, KY 40202
- Practice phone
- Call (502) 562-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Clayton'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. Mary Shannon Clayton is an anesthesiologist in Louisville, Kentucky
Dr. Clayton practices at UofL Health - UofL Hospital in Louisville, Kentucky, part of UofL Health.
Dr. Clayton's NPI, 1992071609, was assigned on March 27, 2012. Dr. Clayton holds Kentucky license 57339.
- NPI
- 1992071609NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779875836
- NPI enumeration date
- March 27, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (502) 562-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mary Shannon Clayton practices at UofL Health - UofL Hospital in Louisville, Kentucky
Dr. Clayton's primary practice is UofL Health - UofL Hospital, at 530 South Jackson Street, Louisville, KY 40202 in Jefferson County. The practice phone is (502) 562-3000.
- UofL Health - UofL Hospital530 South Jackson Street, Louisville, KY 40202 · Jefferson CountyPhone(502) 562-3000
Source: Dmand AI Affiliation Data
Dr. Mary Shannon Clayton is affiliated with 5 sites of care and 2 medical groups
Dr. Clayton's primary practice is UofL Health - UofL Hospital in Louisville, Kentucky, part of UofL Health. Dr. Clayton is also affiliated with Baptist Health Louisville. The medical group on file is UofL Physicians, Radiology. Dmand AI also links Dr. Clayton to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mary Shannon Clayton's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clayton practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UofL Health - UofL Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across UofL Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mary Shannon Clayton is one of 453 anesthesiologists in Kentucky
Anesthesiology is Dr. Clayton's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Clayton's licenses on file in 2 states: Kentucky and Indiana.
Specialties and state licenses
- Anesthesiology, KentuckyPrimary
- Indiana license
Anesthesiologists near Dr. Clayton
Counts of anesthesiologists 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. Mary Shannon Clayton billed Medicare for 63 services in 2024
CMS data shows 63 Medicare services from Dr. Clayton across 4 procedure codes in 2024, for 104 Medicare patients. Medicare paid $4,112 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clayton's Medicare services by type, 2024
- Anesthesia48
- Surgery15
Dr. Clayton compared with the Kentucky median for anesthesiologists, 2024
- Dr. Clayton
- Kentucky median
- Medicare services
- 63vs 66Close to median
- Medicare patients
- 104vs 1138% below
Medians across 450 anesthesiologists in Kentucky with Dmand AI profiles that report each measure.
Dr. Clayton's most billed Medicare procedure codes, 2024
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. Clayton?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clayton and other anesthesiologists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mary Shannon Clayton treated 104 Medicare patients in 2024, average age 71
CMS counts 104 Medicare patients who saw Dr. Clayton in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Clayton's median patient age at 66, with 53% women.
Dr. Clayton's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Clayton's Medicare patients by sex, 2024
- Women6159%
- Men4341%
Chronic conditions among Dr. Clayton's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Anxiety31%
- Diabetes30%
- Ischemic heart disease30%
- Mood disorders30%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clayton's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mary Shannon Clayton scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Clayton for performance year 2024, reported as part of a group. Dr. Clayton accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Clayton's MIPS scores, performance year 2024
- 79of 100Final score
- 56.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mary Shannon Clayton received $18 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Clayton from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $18.
Companies that paid Dr. Clayton the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mary Shannon Clayton'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Mary Shannon Clayton
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. Mary Shannon Clayton's NPI number?
Dr. Mary Shannon Clayton's NPI number is 1992071609. It was assigned on March 27, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Mary Shannon Clayton?
Dr. Mary Shannon Clayton is an anesthesiologist in Louisville, Kentucky. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mary Shannon Clayton practice?
Dr. Clayton practices at 530 South Jackson Street, Louisville, KY 40202. Dr. Clayton's primary practice is UofL Health - UofL Hospital in Louisville, Kentucky, part of UofL Health. Dmand AI also links Dr. Clayton to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Mary Shannon Clayton's office phone number?
The practice phone on file for Dr. Clayton is (502) 562-3000.
What is Dr. Mary Shannon Clayton's medical license number?
Dr. Clayton holds Kentucky license 57339, one of the licenses on file in 2 states.
Which states has Dr. Mary Shannon Clayton been licensed in?
Dmand AI has state licenses on file for Dr. Clayton in Kentucky and Indiana.
Which hospitals is Dr. Mary Shannon Clayton affiliated with?
Dr. Clayton practices at UofL Health - UofL Hospital in Louisville, Kentucky. Dr. Clayton is also affiliated with Baptist Health Louisville. Dmand AI links Dr. Clayton to 1 more hospital.
What medical group is Dr. Mary Shannon Clayton part of?
Dr. Clayton is linked to UofL Physicians, Radiology. Dmand AI links Dr. Clayton to 1 more medical group.
Does Dr. Mary Shannon Clayton accept Medicare?
Yes. CMS data shows Dr. Clayton billed Medicare for 63 services in 2024, and Dr. Clayton accepts Medicare assignment.
What is Dr. Mary Shannon Clayton's MIPS score?
Dr. Clayton's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
Show 4 more questionsShow fewer questions
How many Medicare patients does Dr. Mary Shannon Clayton see?
CMS counts 104 Medicare patients who saw Dr. Clayton in 2024, with an average age of 71.
What services does Dr. Mary Shannon Clayton bill to Medicare?
In 2024, Dr. Clayton's most billed Medicare services were anesthesia (01480), anesthesia (00103) and surgery: brain, spine and nerves (64447).
Has Dr. Mary Shannon Clayton received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Clayton from 1 company from 2025 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Mary Shannon Clayton been practicing?
Dr. Clayton graduated from medical school in 2016, 10 years ago.
Selling to anesthesiology practices?
See anesthesiologists in Kentucky by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card