Dr. Katherine Williamson, DO
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 87
- Hospital affiliations
- 3
- Industry payments
- $2,044
- Practice address
- 2139 Auburn Avenue, Cincinnati, OH 45219
- Practice phone
- Call (513) 585-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Katherine Williamson is an OB-GYN in Cincinnati, Ohio
Dr. Williamson practices at The Christ Hospital in Cincinnati, Ohio, part of The Christ Hospital Health Network.
Dr. Williamson's NPI, 1134530546, was assigned on May 20, 2014. Dr. Williamson holds Kentucky license 39020000X.
- NPI
- 1134530546NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002162757
- NPI enumeration date
- May 20, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (513) 585-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Williamson practices at The Christ Hospital in Cincinnati, Ohio
Dr. Williamson's primary practice is The Christ Hospital, at 2139 Auburn Avenue, Cincinnati, OH 45219 in Hamilton County. The practice phone is (513) 585-2000.
- The Christ Hospital2139 Auburn Avenue, Cincinnati, OH 45219 · Hamilton CountyPhone(513) 585-2000
Source: Dmand AI Affiliation Data
Dr. Katherine Williamson is affiliated with 5 sites of care and 2 medical groups
Dr. Williamson's primary practice is The Christ Hospital in Cincinnati, Ohio, part of The Christ Hospital Health Network. Dr. Williamson is also affiliated with Mercy Health - West Hospital. The medical group on file is Mercy Health Physicians. Dmand AI also links Dr. Williamson 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. Katherine Williamson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williamson practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Christ 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 The Christ Hospital Health Network and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Katherine Williamson is one of 1,380 OB-GYNs in Ohio
Obstetrics and gynecology is Dr. Williamson's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Williamson is licensed in Kentucky.
Specialties and state licenses
- Obstetrics and gynecology, KentuckyPrimary
OB-GYNs near Dr. Williamson
Counts of OB-GYNs 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. Katherine Williamson billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Dr. Williamson across 1 procedure code in 2024, for 29 Medicare patients. Medicare paid $462 for them. Every service was in an office.
Dr. Williamson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 152024: 1220%
- Office and hospital visits
- 2023: 342024: 0100%
Dr. Williamson compared with the Ohio median for OB-GYNs, 2024
- Dr. Williamson
- Ohio median
- Medicare services
- 12vs 4573% below
- Medicare patients
- 29vs 4028% below
- Part D claims
- 23vs 4144% below
Medians across 1,278 OB-GYNs in Ohio with Dmand AI profiles that report each measure.
Dr. Williamson'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williamson and other OB-GYNs in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Katherine Williamson treated 29 Medicare patients in 2024, average age 68
CMS counts 29 Medicare patients who saw Dr. Williamson in 2024. The largest group is 65 to 74, with 18 patients. 72% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williamson's median patient age at 33, with 99% women.
Dr. Williamson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Williamson's Medicare patients, 2024
- High cholesterol72%
- High blood pressure66%
- Arthritis48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williamson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Katherine Williamson wrote 87 Medicare Part D claims in 2024
In 2024, Dr. Williamson wrote 87 Medicare Part D claims for 42 patients. 84% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $1,005 in total drug cost. In 2022, CMS named 11 claims across 1 drug.
Dr. Williamson's Part D claims by kind of drug, 2024
- Generic73 claims84%
- Brand-name and other14 claims16%
Dr. Williamson's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Williamson's Part D claims, 2024
- Antibiotics22%19 of 87 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 112023: 23109%
Drugs named by CMS: 2 in 2023, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Katherine Williamson takes part in Medicare
Dr. Williamson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Katherine Williamson received $2,044 in industry payments from 2018 to 2024
CMS Open Payments shows 58 general payments to Dr. Williamson from 19 drug and device companies from 2018 to 2024. Travel and lodging make up the largest share, 57% of the total. Intuitive Surgical, Inc. paid the most, $1,316.
General payments to Dr. Williamson by program year, 2018 to 2024
General payments to Dr. Williamson by kind, 2018 to 2024
- Travel and lodging$1,17057%
- Food and beverage$82640%
- Education$492%
Companies that paid Dr. Williamson the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Katherine Williamson'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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)Doctors and Clinicians Utilization Data (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. Katherine Williamson
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. Katherine Williamson's NPI number?
Dr. Katherine Williamson's NPI number is 1134530546. It was assigned on May 20, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Williamson?
Dr. Katherine Williamson is an OB-GYN in Cincinnati, Ohio. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Katherine Williamson practice?
Dr. Williamson practices at 2139 Auburn Avenue, Cincinnati, OH 45219. Dr. Williamson's primary practice is The Christ Hospital in Cincinnati, Ohio, part of The Christ Hospital Health Network. Dmand AI also links Dr. Williamson to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Katherine Williamson's office phone number?
The practice phone on file for Dr. Williamson is (513) 585-2000.
What is Dr. Katherine Williamson's medical license number?
Dr. Williamson holds Kentucky license 39020000X.
Which hospitals is Dr. Katherine Williamson affiliated with?
Dr. Williamson practices at The Christ Hospital in Cincinnati, Ohio. Dr. Williamson is also affiliated with Mercy Health - West Hospital. Dmand AI links Dr. Williamson to 1 more hospital.
What medical group is Dr. Katherine Williamson part of?
Dr. Williamson is linked to Mercy Health Physicians. Dmand AI links Dr. Williamson to 1 more medical group.
Does Dr. Katherine Williamson accept Medicare?
Yes. CMS data shows Dr. Williamson billed Medicare for 12 services in 2024, and Dr. Williamson accepts Medicare assignment.
How many Medicare patients does Dr. Katherine Williamson see?
CMS counts 29 Medicare patients who saw Dr. Williamson in 2024, with an average age of 68.
What services does Dr. Katherine Williamson bill to Medicare?
In 2024, Dr. Williamson's most billed Medicare services were medicare service (G0101).
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What drugs does Dr. Katherine Williamson prescribe most?
In 2023 Medicare Part D data, Dr. Williamson's most prescribed drugs by claims were Larin 24 Fe and Estradiol.
Has Dr. Katherine Williamson received payments from drug or device companies?
CMS Open Payments shows $2,044 in general payments to Dr. Williamson from 19 companies from 2018 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Katherine Williamson been practicing?
Dr. Williamson graduated from medical school in 2014, 12 years ago.
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