Quick answers
- Does Catharine L. Kauffman accept Medicare assignment?
- Yes. Medicare's clinician data says Catharine L. Kauffman 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 Catharine L. Kauffman see?
- In 2024, CMS data shows 1,346 Original Medicare patients and 6,701 services for Catharine L. Kauffman. This counts Original Medicare only and measures volume, not quality.
- What is Catharine L. Kauffman's NPI number?
- 1033118328. 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 Catharine L. Kauffman, 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 | 1,346 |
|---|---|
| Services billed to Medicare | 6,701 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)3,751 services
- Destruction of precancer skin growth, 2-14 growths (17003)895 services
- Special stained specimen slides to examine tissue, initial procedure (88342)762 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)391 services
- Destruction of precancer skin growth, 1 growth (17000)308 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 pressure65%
- Arthritis44%
- Ischemic heart disease22%
- Osteoporosis20%
- Diabetes18%
Practice locations
Addresses where Catharine L. Kauffman is enrolled with Medicare (CMS data updated October 2, 2026).
- 3301 New Mexico Ave NWWashington, DC 20016 (202) 363‑9600
- 3301 New Mexico Ave NW, Suite 210Washington, DC 20016 (202) 363‑9600
- 723 Goldsborough StEaston, MD 21601 (410) 763‑8588
- 8543 Doncaster RdEaston, MD 21601 (410) 822‑7908
Group practices
Medicare enrollment lists Catharine L. Kauffman as a member of these groups (CMS data updated October 2, 2026).
- C L Kauffman MD PLLC3 clinicians in the group
- Georgetown Dermatology PLLC3 clinicians in the group
Specialties
- Pathologyprimary
- Dermatologyalso
Other pathologists in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1033118328 |
| 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