Quick answers
- Does Katalin Kovalszki accept Medicare assignment?
- Yes. Medicare's clinician data says Katalin Kovalszki 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 Katalin Kovalszki see?
- In 2024, CMS data shows 786 Original Medicare patients and 3,402 services for Katalin Kovalszki. This counts Original Medicare only and measures volume, not quality.
- What is Katalin Kovalszki's NPI number?
- 1386761039. 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 Katalin Kovalszki, 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 | 786 |
|---|---|
| Services billed to Medicare | 3,402 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)1,257 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)589 services
- Destruction of precancer skin growth, 1 growth (17000)407 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)282 services
- Destruction of skin growth, 1-14 growths (17110)241 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 cholesterol73%
- High blood pressure62%
- Arthritis42%
- Anxiety24%
- Ischemic heart disease20%
- Chronic kidney disease19%
Hospitals where Katalin Kovalszki works
Medicare's Facility Affiliation Data lists Katalin Kovalszki at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
Practice locations
Addresses where Katalin Kovalszki is enrolled with Medicare (CMS data updated October 2, 2026).
- 133 Littleton Rd, Suite 205Westford, MA 01886 (978) 371‑7010
- 54 Baker Ave Ext, Suite 305Concord, MA 01742 (978) 371‑7010
Group practices
Medicare enrollment lists Katalin Kovalszki as a member of this group (CMS data updated October 2, 2026).
- Adult and Pediatric Dermatology PC40 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Westford
Clinicians with the same Medicare primary specialty in Westford, MA — not a recommendation.
Other clinicians in Adult and Pediatric Dermatology PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2005 (21 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386761039 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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