Int Urogynecol J
Gynecologic Surgical ProceduresHysterectomyLaparoscopy
Dr. Nicholas Aaron Ryan, MD
NPI1285978072PAC ID2860704251
- Medicare services, 2022
- 38
- Medicare patients, 2024
- 32
- Part D claims, 2024
- 131
- Publications
- 3
- MIPS score, 2024
- 81
- Practice address
- 4001 Dutchmans Ln, Louisville, KY 40207
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Norton Women's and Children's Hospital-Operating Room - HOPD
Acute Care Hospital outpatient department · Louisville, Kentucky
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Dr. Nicholas Aaron Ryan is an OB-GYN in Louisville, Kentucky
Dr. Ryan practices at Norton Women's and Children's Hospital-Operating Room - HOPD in Louisville, Kentucky.
Dr. Ryan's NPI, 1285978072, was assigned on November 16, 2012. Dr. Ryan graduated from University of Kentucky College of Medicine in 2011. Dr. Ryan holds Kentucky license 48328.
NPI and contact details
- NPI
- 1285978072NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860704251
- NPI enumeration date
- November 16, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Aaron Ryan practices at Norton Women's and Children's Hospital-Operating Room - HOPD in Louisville, Kentucky
Dr. Ryan's primary practice is Norton Women's and Children's Hospital-Operating Room - HOPD, at 4001 Dutchmans Ln, Louisville, KY 40207.
- Norton Women's and Children's Hospital-Operating Room - HOPD4001 Dutchmans Ln, Louisville, KY 40207
Source: Dmand AI Affiliation Data
Dr. Nicholas Aaron Ryan is affiliated with 4 sites of care and 2 medical groups
Dr. Ryan's primary practice is Norton Women's and Children's Hospital-Operating Room - HOPD in Louisville, Kentucky. Dr. Ryan is also affiliated with Norton Hospital. The medical group on file is Norton Community Medical Associates. Dmand AI also links Dr. Ryan to 2 more group practices and clinics and 1 medical group, each named with a free account.
Norton Women's and Children's Hospital-Operating Room - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nicholas Aaron Ryan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Norton Women's and Children's Hospital-Operating Room - HOPD | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas Aaron Ryan is one of 456 OB-GYNs in Kentucky
Obstetrics and gynecology is Dr. Ryan's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Ryan's licenses on file in 2 states: Kentucky and Texas.
Specialties and state licenses
- Obstetrics and gynecology, KentuckyPrimary
- Texas license
OB-GYNs near Dr. Ryan
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. Nicholas Aaron Ryan billed Medicare for 38 services in 2022
CMS data shows 38 Medicare services from Dr. Ryan across 2 procedure codes in 2022, for 32 Medicare patients. Medicare paid $2,001 for them. Every service was in an office.
Medicare services, 202238
Medicare patients32
Paid by Medicare$2,001
Procedure codes2
Dr. Ryan's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Imaging
- 2021: 2032022: 3881%
- Other services
- 2021: 172022: 0100%
Dr. Ryan compared with the Kentucky median for OB-GYNs, 2022
- Dr. Ryan
- Kentucky median
- Medicare services
- 38vs 38Close to median
- Medicare patients
- 32vs 3714% below
- Part D claims
- 47vs 48Close to median
Medians across 433 OB-GYNs in Kentucky with Dmand AI profiles that report each measure.
Dr. Ryan's most billed Medicare procedure codes, 2022
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. Ryan and other OB-GYNs in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nicholas Aaron Ryan treated 32 Medicare patients in 2024, average age 60
CMS counts 32 Medicare patients who saw Dr. Ryan in 2024. The largest group is 65 to 74, with 14 patients. 56% of them have high cholesterol, and 50% have high blood pressure. 38% are also on Medicaid. Their average risk score is 0.76, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ryan's median patient age at 33, with 99% women.
Medicare patients, 202432
Average age60
Average risk score0.76
Also on Medicaid38%
Dr. Ryan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Ryan's Medicare patients, 2024
- High cholesterol56%
- High blood pressure50%
- Arthritis47%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ryan'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%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nicholas Aaron Ryan wrote 131 Medicare Part D claims in 2024
In 2024, Dr. Ryan wrote 131 Medicare Part D claims for 36 patients. 96% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $144 in total drug cost. In 2023, CMS named 67 claims across 5 drugs.
Part D claims, 2024131
Drugs named by CMS3
Total drug cost$144
Part D patients36
Dr. Ryan's Part D claims by kind of drug, 2024
- Generic126 claims96%
- Brand-name and other5 claims4%
Dr. Ryan's most prescribed drugs by claims, 2024
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. Ryan's Part D claims, 2024
- Antibiotics9%12 of 131 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 672024: 4730%
Drugs named by CMS: 3 in 2024, 5 in 2023.
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
Dr. Nicholas Aaron Ryan scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Ryan for performance year 2024, reported as part of a group. Dr. Ryan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ryan's MIPS scores, performance year 2024
- 81of 100Final score
- 63.3of 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.
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Nicholas Aaron Ryan has 3 publications on record
Dmand AI links 3 papers to Dr. Ryan in 2015. 2015 was the busiest year, with 2. Dr. Ryan's most frequent co-authors are Colin Michael Carroll, MD, Xiaoming Guan, MD and Arthur Lalit/Laxman Malkani, MD.
Papers3
Dr. Ryan's most frequent co-authors
- Colin Michael Carroll, MD1 shared paper
- Xiaoming Guan, MD1 shared paper
- Arthur Lalit/Laxman Malkani, MD1 shared paper
Recent publications by Dr. Ryan
ComorbidityEmergency Service, HospitalFemoral Fractures
See who Dr. Ryan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ryan works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nicholas Aaron Ryan received $468 in industry payments from 2016 to 2024
CMS Open Payments shows 13 general payments to Dr. Ryan from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Gynesonics, Inc. paid the most, $162.
General payments to Dr. Ryan by program year, 2016 to 2024
Companies that paid Dr. Ryan the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicholas Aaron Ryan graduated from University of Kentucky College of Medicine
Dr. Ryan graduated from University of Kentucky College of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Aaron Ryan'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Nicholas Aaron Ryan
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. Nicholas Aaron Ryan's NPI number?
Dr. Nicholas Aaron Ryan's NPI number is 1285978072. It was assigned on November 16, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Aaron Ryan?
Dr. Nicholas Aaron Ryan is an OB-GYN in Louisville, Kentucky. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Nicholas Aaron Ryan practice?
Dr. Ryan practices at 4001 Dutchmans Ln, Louisville, KY 40207. Dr. Ryan's primary practice is Norton Women's and Children's Hospital-Operating Room - HOPD in Louisville, Kentucky. Dmand AI also links Dr. Ryan to 2 group practices and clinics and 1 medical group.
What is Dr. Nicholas Aaron Ryan's medical license number?
Dr. Ryan holds Kentucky license 48328, one of the licenses on file in 2 states.
Which states has Dr. Nicholas Aaron Ryan been licensed in?
Dmand AI has state licenses on file for Dr. Ryan in Kentucky and Texas.
Which hospitals is Dr. Nicholas Aaron Ryan affiliated with?
Dr. Ryan is affiliated with Norton Hospital.
What medical group is Dr. Nicholas Aaron Ryan part of?
Dr. Ryan is linked to Norton Community Medical Associates. Dmand AI links Dr. Ryan to 1 more medical group.
Does Dr. Nicholas Aaron Ryan accept Medicare?
Yes. CMS data shows Dr. Ryan billed Medicare for 38 services in 2022, and Dr. Ryan accepts Medicare assignment.
What is Dr. Nicholas Aaron Ryan's MIPS score?
Dr. Ryan's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nicholas Aaron Ryan see?
CMS counts 32 Medicare patients who saw Dr. Ryan in 2024, with an average age of 60.
Show 7 more questionsShow fewer questions
What services does Dr. Nicholas Aaron Ryan bill to Medicare?
In 2022, Dr. Ryan's most billed Medicare services were radiation oncology (77063) and radiation oncology (77067).
Where did Dr. Nicholas Aaron Ryan go to medical school?
Dr. Ryan graduated from University of Kentucky College of Medicine in 2011.
What drugs does Dr. Nicholas Aaron Ryan prescribe most?
In 2024 Medicare Part D data, Dr. Ryan's most prescribed drugs by claims were Ibuprofen, Alendronate Sodium and Paroxetine HCl.
Has Dr. Nicholas Aaron Ryan received payments from drug or device companies?
CMS Open Payments shows $468 in general payments to Dr. Ryan from 8 companies from 2016 to 2024. The largest total came from Gynesonics, Inc.
How long has Dr. Nicholas Aaron Ryan been practicing?
Dr. Ryan graduated from medical school in 2011, 15 years ago.
Does Dr. Nicholas Aaron Ryan do research?
Dmand AI links 3 publications to Dr. Ryan.
Who does Dr. Nicholas Aaron Ryan publish with?
Dr. Ryan's most frequent co-authors are Colin Michael Carroll, MD (1 shared paper), Xiaoming Guan, MD (1 shared paper) and Arthur Lalit/Laxman Malkani, MD (1 shared paper).
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