Katalin Kovalszki, MD
Dermatology Physician · Westford, MA
Katalin Kovalszki, MD is a dermatology physician with a practice address in Westford, Massachusetts, and NPI 1386761039, issued on Mar 26, 2007. Check the license (Massachusetts 239821, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Katalin Kovalszki
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 239821 MA
Self-reported in NPPES; status is on the state search - Practice location
- 133 Littleton RD, Westford, MA 01886
- Phone
- (978) 692-9978
- Enumerated
- Mar 26, 2007
- Record last updated
- Oct 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (978) 371-0522
- Medicare enrollment
- Enrolled (PECOS I20091001000597); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2005
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Also registered at 133 Littleton RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brad Alpert, MDPediatrics Physician1245209873
- Andreas Athanasiou, MDPediatrics Physician1972590958
- Seema Azam, M.D.Internal Medicine Physician1043278054
- Tak-Yin Chau, O.D.Optometrist1346392990
- James Cohen, M.D.Internal Medicine Physician1013965003
- Maureen Dinapoli, NPPediatric Nurse Practitioner1659467389
Verify Katalin Kovalszki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 239821Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average dermatology physician in 2024
819 Medicare Part D claims for 339 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Clobetasol Propionate120 claims
- Triamcinolone Acetonide92 claims
- Metronidazole37 claims
- Fluorouracil36 claims
- Ketoconazole35 claims
- Nystatin34 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $34.57
1 payment: food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Adult And Pediatric Dermatology PCConcord, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katalin Kovalszki among 627 dermatology physician records in Massachusetts
Katalin Kovalszki, MD is one of 627 dermatology physician records with a practice address in Massachusetts. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 53% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2005 · median 2008 among the 445 with a school on file
- Record last updated2014 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Massachusetts
There are 627 dermatology physician records in Massachusetts.
All 627 in Massachusetts → Every provider in Westford → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Steven Franks, MDWestford, MA 018861548251093
- Christy Williams, MDWestford, MA 018861467442632
- David Barzilai, M.D., PH.D.Winchester, MA 018901760607808
- Marilyn Capek, M.D.Winchester, MA 018901992848469
- Jane Danahy, M.D.Winchester, MA 018901992752620
- Robert O'BrienWinchester, MA 018901568566420
- Joshua ShofnerWinchester, MA 018901023218237
- Suzanne Virnelli, M.D.Winchester, MA 018901982756581
Common questions
What is Katalin Kovalszki, MD's NPI number?
Katalin Kovalszki, MD's National Provider Identifier (NPI) is 1386761039, issued on Mar 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Katalin Kovalszki, MD located?
The NPPES record lists a practice address at 133 Littleton RD, Westford, MA, 01886. Phone: (978) 692-9978. Providers update this record themselves, so call before visiting.
How can I verify Katalin Kovalszki, MD's license?
NPPES lists Massachusetts license number 239821, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katalin Kovalszki, MD prescribe under Medicare Part D?
In 2024, Katalin Kovalszki, MD had 819 Medicare Part D claims for 339 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.