Dr. Don Ryan Duff, MD
- Medicare services, 2024
- 2,697
- Medicare patients, 2024
- 730
- Part D claims, 2024
- 3,466
- MIPS score, 2024
- 97
- Hospital affiliations
- 4
- Practice address
- 13507 Ridgemoor Dr, Prospect, KY 40059
- Practice phone
- Call (502) 583-1799
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bluegrass Kidney Consultants PSC
Prospect, Kentucky
Find Dr. Duff'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. Don Ryan Duff is a nephrologist in Prospect, Kentucky
Dr. Duff practices at Bluegrass Kidney Consultants PSC in Prospect, Kentucky.
Dr. Duff's NPI, 1154325900, was assigned on June 9, 2005. Dr. Duff graduated from University Of Louisville School Of Medicine in 1986. Dr. Duff holds Kentucky license 25228.
- NPI
- 1154325900NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678471117
- NPI enumeration date
- June 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (502) 583-1799
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Don Ryan Duff practices at Bluegrass Kidney Consultants PSC in Prospect, Kentucky
Dr. Duff's primary practice is Bluegrass Kidney Consultants PSC, at 13507 Ridgemoor Dr, Prospect, KY 40059 in Jefferson County. The practice phone is (502) 583-1799.
- Bluegrass Kidney Consultants PSC13507 Ridgemoor Dr, Prospect, KY 40059 · Jefferson CountyPhone(502) 583-1799
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Don Ryan Duff is affiliated with 10 sites of care and 3 medical groups
Dr. Duff's primary practice is Bluegrass Kidney Consultants PSC in Prospect, Kentucky. Dr. Duff is also affiliated with Norton Hospital. The medical group on file is Bluegrass Kidney Consultants. Dmand AI also links Dr. Duff to 3 more hospitals, 3 group practices and clinics, 2 dialysis centers and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Don Ryan Duff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duff practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bluegrass Kidney Consultants PSC | Available with a free account |
| +9 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Don Ryan Duff is one of 153 nephrologists in Kentucky
Nephrology is Dr. Duff's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Duff is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Duff's licenses on file in 2 states: Kentucky and Indiana.
Specialties and state licenses
- Nephrology, KentuckyPrimary
- Indiana license
Clinical focus
Dmand AI lists acute kidney failure, chronic diabetes, chronic hypertension, chronic kidney disease, fluid and electrolyte imbalances, kidney cysts and kidney stone disease among the conditions Dr. Duff treats.
Nephrologists near Dr. Duff
Counts of nephrologists 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. Don Ryan Duff billed Medicare for 2,697 services in 2024
CMS data shows 2,697 Medicare services from Dr. Duff across 13 procedure codes in 2024, for 730 Medicare patients. Medicare paid $219,769 for them.
Dr. Duff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,3852024: 1,91220%
- Other services
- 2023: 02024: 470
- Tests and treatments
- 2023: 2972024: 3156%
Where Dr. Duff's Medicare services took place, 2024
- In an office1,56458%
- In a facility1,13342%
Dr. Duff compared with the Kentucky median for nephrologists, 2024
- Dr. Duff
- Kentucky median
- Medicare services
- 2,697vs 1,0972.5 times
- Medicare patients
- 730vs 3602.0 times
- Part D claims
- 3,146vs 6704.7 times
Medians across 156 nephrologists in Kentucky with Dmand AI profiles that report each measure.
Dr. Duff'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. Duff and other nephrologists in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Don Ryan Duff treated 730 Medicare patients in 2024, average age 75
CMS counts 730 Medicare patients who saw Dr. Duff in 2024. The largest group is 65 to 74, with 279 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 2.15, 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. Duff's median patient age at 70, with 49% women.
Dr. Duff's Medicare patients by age, 2024
Dr. Duff's Medicare patients by sex, 2024
- Women34948%
- Men38152%
Chronic conditions among Dr. Duff's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Arthritis52%
- Ischemic heart disease43%
- Heart failure35%
- Anxiety31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Don Ryan Duff wrote 3,466 Medicare Part D claims in 2024
In 2024, Dr. Duff wrote 3,466 Medicare Part D claims for 593 patients. 96% of them were for generic drugs. CMS names the drug for 3,146 of them, across 49 drugs with 11 or more claims each, at $68,773 in total drug cost. In 2023, CMS named 2,736 claims across 43 drugs.
Dr. Duff's Part D claims by kind of drug, 2024
- Generic3,325 claims96%
- Brand-name141 claims4%
Dr. Duff'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. Duff's Part D claims, 2024
- Antibiotics3%114 of 3,466 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: 2,7362024: 3,14615%
Drugs named by CMS: 49 in 2024, 43 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. Don Ryan Duff scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Duff for performance year 2024, reported individually. Dr. Duff accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Duff's MIPS scores, performance year 2024
- 97of 100Final score
- 100of 100Quality
- 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
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Dr. Don Ryan Duff received $763 in industry payments from 2016 to 2025
CMS Open Payments shows 40 general payments to Dr. Duff from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Fresenius USA Marketing, Inc. paid the most, $165.
General payments to Dr. Duff by program year, 2016 to 2025
General payments to Dr. Duff by kind, 2016 to 2025
- Food and beverage$74397%
- Education$193%
Companies that paid Dr. Duff the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Don Ryan Duff has 1 award and honors on record
Dmand AI lists 1 award for Dr. Duff, most recently Top Doc in Nephrology in 2017.
Awards and honors for Dr. Duff
- 2017
- Top Doc in Nephrology
Source: Dmand AI Professional Profile Data
Dr. Don Ryan Duff graduated from University Of Louisville School Of Medicine
Dr. Duff graduated from University Of Louisville School Of Medicine in 1986.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Don Ryan Duff accepts plans from 17 insurance carriers
Dr. Duff is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Molina
- +9 more carriersWith a free account
Plan types Dr. Duff accepts, by number of carriers
- PPO10
- Medicare8
- HMO7
- POS5
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Don Ryan Duff'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Don Ryan Duff
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. Don Ryan Duff's NPI number?
Dr. Don Ryan Duff's NPI number is 1154325900. It was assigned on June 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Don Ryan Duff?
Dr. Don Ryan Duff is a nephrologist in Prospect, Kentucky. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Don Ryan Duff practice?
Dr. Duff practices at 13507 Ridgemoor Dr, Prospect, KY 40059. Dr. Duff's primary practice is Bluegrass Kidney Consultants PSC in Prospect, Kentucky. Dmand AI also links Dr. Duff to 3 hospitals, 3 group practices and clinics, 2 dialysis centers and 2 medical groups.
What is Dr. Don Ryan Duff's office phone number?
The practice phone on file for Dr. Duff is (502) 583-1799.
What is Dr. Don Ryan Duff's medical license number?
Dr. Duff holds Kentucky license 25228, one of the licenses on file in 2 states.
Which states has Dr. Don Ryan Duff been licensed in?
Dmand AI has state licenses on file for Dr. Duff in Kentucky (1987 to 2026) and Indiana (1995 to 2025).
Which hospitals is Dr. Don Ryan Duff affiliated with?
Dr. Duff is affiliated with Norton Hospital. Dmand AI links Dr. Duff to 3 more hospitals.
What medical group is Dr. Don Ryan Duff part of?
Dr. Duff is linked to Bluegrass Kidney Consultants. Dmand AI links Dr. Duff to 2 more medical groups.
Does Dr. Don Ryan Duff accept Medicare?
Yes. CMS data shows Dr. Duff billed Medicare for 2,697 services in 2024, and Dr. Duff accepts Medicare assignment.
What is Dr. Don Ryan Duff's MIPS score?
Dr. Duff's MIPS final score for performance year 2024 is 97 out of 100, reported individually.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Don Ryan Duff see?
CMS counts 730 Medicare patients who saw Dr. Duff in 2024, with an average age of 75.
Is Dr. Don Ryan Duff board certified?
Yes. Dr. Duff is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Don Ryan Duff bill to Medicare?
In 2024, Dr. Duff's most billed Medicare services were hospital inpatient care (99232), medicare service (G2211) and office visit, established patient (99213).
Where did Dr. Don Ryan Duff go to medical school?
Dr. Duff graduated from University Of Louisville School Of Medicine in 1986.
What drugs does Dr. Don Ryan Duff prescribe most?
In 2024 Medicare Part D data, Dr. Duff's most prescribed drugs by claims were Losartan Potassium, Furosemide and Amlodipine Besylate.
Has Dr. Don Ryan Duff received payments from drug or device companies?
CMS Open Payments shows $763 in general payments to Dr. Duff from 17 companies from 2016 to 2025. The largest total came from Fresenius USA Marketing, Inc.
How long has Dr. Don Ryan Duff been practicing?
Dr. Duff graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Don Ryan Duff accept?
Dr. Duff is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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