Quick answers
- Does Catherine M. Hren accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine M. Hren accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Catherine M. Hren see?
- In 2024, CMS data shows 845 Original Medicare patients and 2,533 services for Catherine M. Hren. This counts Original Medicare only and measures volume, not quality.
- What is Catherine M. Hren's NPI number?
- 1508851478. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Catherine M. Hren, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 845 |
|---|---|
| Services billed to Medicare | 2,533 |
| Different services or procedures | 48 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)721 services
- Destruction of precancer skin growth, 2-14 growths (17003)659 services
- Destruction of precancer skin growth, 1 growth (17000)284 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)147 services
- Biopsy of related skin growth, first growth (11102)140 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure66%
- Arthritis45%
- Anxiety22%
- Diabetes21%
- Ischemic heart disease19%
Practice locations
Addresses where Catherine M. Hren is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 Cary Pkwy SW, Suite 210Cary, NC 27511
- 101 SW Cary Pkwy, Suite 210Cary, NC 27511 (919) 467‑8556
Group practices
Medicare enrollment lists Catherine M. Hren as a member of this group (CMS data updated October 2, 2026).
- Cary Dermatology Center PA9 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Cary
Clinicians with the same Medicare primary specialty in Cary, NC — not a recommendation.
Other clinicians in Cary Dermatology Center PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508851478 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians