Dr. Catherine Madeline Hren, MD
- Medicare services, 2024
- 2,371
- Medicare patients, 2024
- 845
- Part D claims, 2024
- 714
- Publications
- 3
- Clinical trials
- 3
- Practice address
- 101 Sw Cary Pkwy Suite 210 Suite 210, Cary, NC 27511-5562
- Practice phone
- Call (919) 467-8556
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cary Dermatology Center, P.a.
Dermatology practice · Cary, North Carolina
Find Dr. Hren's professional email, personal email and mobile number
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Dr. Catherine Madeline Hren is a dermatologist in Cary, North Carolina
Dr. Hren practices at Cary Dermatology Center, P.a. in Cary, North Carolina.
Dr. Hren's NPI, 1508851478, was assigned on September 15, 2005. Dr. Hren graduated from Duke University School of Medicine in 1991. Dr. Hren holds North Carolina license 009400275.
- NPI
- 1508851478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860476850
- NPI enumeration date
- September 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 467-8556
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine Madeline Hren practices at Cary Dermatology Center, P.a. in Cary, North Carolina
Dr. Hren's primary practice is Cary Dermatology Center, P.a., at 101 Sw Cary Pkwy Suite 210 Suite 210, Cary, NC 27511-5562. The practice phone is (919) 467-8556.
- Cary Dermatology Center, P.a.101 Sw Cary Pkwy Suite 210 Suite 210, Cary, NC 27511-5562Phone(919) 467-8556
Source: Dmand AI Affiliation Data
Dr. Catherine Madeline Hren is affiliated with 1 site of care and 1 medical group
Dr. Hren's primary practice is Cary Dermatology Center, P.a. in Cary, North Carolina. The medical group on file is Cary Dermatology Center.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Catherine Madeline Hren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hren practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cary Dermatology Center, P.a. | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine Madeline Hren is one of 434 dermatologists in North Carolina
Dermatology is Dr. Hren's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Hren is licensed in North Carolina.
Specialties and state licenses
- Dermatology, North CarolinaPrimary
Dermatologists near Dr. Hren
Counts of dermatologists 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 Madeline Hren billed Medicare for 2,371 services in 2024
CMS data shows 2,371 Medicare services from Dr. Hren across 17 procedure codes in 2024, for 845 Medicare patients. Medicare paid $96,422 for them. Every service was in an office.
Dr. Hren's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1,3162024: 1,2932%
- Office and hospital visits
- 2023: 9322024: 1,05213%
- Other services
- 2023: 222024: 2618%
Dr. Hren compared with the North Carolina median for dermatologists, 2024
- Dr. Hren
- North Carolina median
- Medicare services
- 2,371vs 2,1948% above
- Medicare patients
- 845vs 52661% above
- Part D claims
- 552vs 537Close to median
Medians across 445 dermatologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Hren'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. Hren and other dermatologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Catherine Madeline Hren treated 845 Medicare patients in 2024, average age 77
CMS counts 845 Medicare patients who saw Dr. Hren in 2024. The largest group is 75 to 84, with 362 patients. 75% of them have high cholesterol, and 66% have high blood pressure. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hren's median patient age at 68, with 64% women.
Dr. Hren's Medicare patients by age, 2024
Dr. Hren's Medicare patients by sex, 2024
- Women53363%
- Men31237%
Chronic conditions among Dr. Hren's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis45%
- Anxiety22%
- Diabetes21%
- Ischemic heart disease19%
- Osteoporosis19%
- Chronic kidney disease18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women64%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine Madeline Hren wrote 714 Medicare Part D claims in 2024
In 2024, Dr. Hren wrote 714 Medicare Part D claims for 364 patients. 88% of them were for generic drugs. CMS names the drug for 552 of them, across 16 drugs with 11 or more claims each, at $376,506 in total drug cost. In 2023, CMS named 453 claims across 17 drugs.
Dr. Hren's Part D claims by kind of drug, 2024
- Generic628 claims88%
- Brand-name86 claims12%
Dr. Hren'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. Hren's Part D claims, 2024
- Antibiotics2%14 of 714 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: 4532024: 55222%
Drugs named by CMS: 16 in 2024, 17 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. Catherine Madeline Hren scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Hren for performance year 2024, reported as part of a group. Dr. Hren accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 469 procedures of removal of skin lesions by Dr. Hren, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- MIPS final score, 2024
- 75 of 100
Where Dr. Hren ranks in Medicare procedure volume
- Removal of skin lesions
- 86th percentile469 procedures
- Skin biopsy
- 83rd percentile180 procedures
- Removal or shaving of skin growth
- 78th percentile44 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Catherine Madeline Hren has 3 publications on record
Dmand AI links 3 papers to Dr. Hren in 2019. 2019 was the busiest year, with 2. The most frequent topics are Melanoma, Nevus, Pigmented and Skin Neoplasms. Dr. Hren has published most often in Dermatol Online J. Dr. Hren's most frequent co-authors are Christopher Robert Gorman, MD, Maral K. Skelsey and Clay J. Cockerell, MD.
Topics Dr. Hren writes about most
- Melanoma
- Nevus, Pigmented
- Skin Neoplasms
Dr. Hren's most frequent co-authors
- Christopher Robert Gorman, MD3 shared papers
- Maral K. Skelsey3 shared papers
- Clay J. Cockerell, MD2 shared papers
Recent publications by Dr. Hren
See who Dr. Hren researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hren works with, so you can find a warm path to the right dermatologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Catherine Madeline Hren has worked on 3 clinical trials
Dmand AI links Dr. Hren to 3 clinical trials. Conditions studied include Psoriasis and Skin Diseases, Papulosquamous. Eli Lilly and Company sponsors the most, 3. Open Payments lists research payments to Dr. Hren that name 2 trials.
Conditions in Dr. Hren's trials
- Psoriasis
- Skin Diseases, Papulosquamous
Investigators on the most trials with Dr. Hren
- Michael Bukhalo, MD3 shared trials
- Jeffrey J. Crowley, MD3 shared trials
- Boni E. Elewski3 shared trials
Recent clinical trials with Dr. Hren
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Catherine Madeline Hren received $45,643 in industry payments from 2016 to 2025
CMS Open Payments shows 1,223 general payments to Dr. Hren from 53 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 67% of the total. LEO Pharma Inc. paid the most, $7,609. It also lists 4 research payments totaling $33,638 from 2018 to 2019, naming 2 clinical trials.
General payments to Dr. Hren by program year, 2016 to 2025
General payments to Dr. Hren by kind, 2016 to 2025
- Food and beverage$30,75467%
- Consulting fees$9,40021%
- Speaker and faculty fees$2,5005%
- Travel and lodging$2,0885%
- Other$9022%
Companies that paid Dr. Hren 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. Catherine Madeline Hren graduated from Duke University School of Medicine
Dr. Hren graduated from Duke University School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Catherine Madeline Hren'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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| 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. Catherine Madeline Hren
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What is Dr. Catherine Madeline Hren's NPI number?
Dr. Catherine Madeline Hren's NPI number is 1508851478. It was assigned on September 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Madeline Hren?
Dr. Catherine Madeline Hren is a dermatologist in Cary, North Carolina. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Catherine Madeline Hren practice?
Dr. Hren practices at 101 Sw Cary Pkwy Suite 210 Suite 210, Cary, NC 27511-5562. Dr. Hren's primary practice is Cary Dermatology Center, P.a. in Cary, North Carolina.
What is Dr. Catherine Madeline Hren's office phone number?
The practice phone on file for Dr. Hren is (919) 467-8556.
What is Dr. Catherine Madeline Hren's medical license number?
Dr. Hren holds North Carolina license 009400275.
What medical group is Dr. Catherine Madeline Hren part of?
Dr. Hren is linked to Cary Dermatology Center.
Does Dr. Catherine Madeline Hren accept Medicare?
Yes. CMS data shows Dr. Hren billed Medicare for 2,371 services in 2024, and Dr. Hren accepts Medicare assignment.
What is Dr. Catherine Madeline Hren's MIPS score?
Dr. Hren's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
How many Medicare patients does Dr. Catherine Madeline Hren see?
CMS counts 845 Medicare patients who saw Dr. Hren in 2024, with an average age of 77.
What services does Dr. Catherine Madeline Hren bill to Medicare?
In 2024, Dr. Hren's most billed Medicare services were office visit, established patient (99213), surgery: skin and soft tissue (17003) and surgery: skin and soft tissue (17000).
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Where did Dr. Catherine Madeline Hren go to medical school?
Dr. Hren graduated from Duke University School of Medicine in 1991.
What drugs does Dr. Catherine Madeline Hren prescribe most?
In 2024 Medicare Part D data, Dr. Hren's most prescribed drugs by claims were Fluorouracil, Ketoconazole and Triamcinolone Acetonide.
Has Dr. Catherine Madeline Hren received payments from drug or device companies?
CMS Open Payments shows $45,643 in general payments to Dr. Hren from 53 companies from 2016 to 2025. The largest total came from LEO Pharma Inc.
How long has Dr. Catherine Madeline Hren been practicing?
Dr. Hren graduated from medical school in 1991, 35 years ago.
Does Dr. Catherine Madeline Hren do research?
Dmand AI links 3 publications to Dr. Hren. Dr. Hren has worked on 3 clinical trials.
Who does Dr. Catherine Madeline Hren publish with?
Dr. Hren's most frequent co-authors are Christopher Robert Gorman, MD (3 shared papers), Maral K. Skelsey (3 shared papers) and Clay J. Cockerell, MD (2 shared papers).
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