Nicholas Keating Leonard, MD
Dermatology Physician · Foxborough, MA
Nicholas Keating Leonard, MD is a dermatology physician with a practice address in Foxborough, Massachusetts, and NPI 1386221596, issued on Mar 24, 2021. Check the license (Massachusetts 1023293, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nicholas Keating Leonard
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 1023293 MA
Self-reported in NPPES; status is on the state search - Practice location
- 9 Payson RD Ste 225, Foxborough, MA 02035
- Phone
- (781) 762-5858
- Enumerated
- Mar 24, 2021
- Record last updated
- Apr 28, 2026
- Fax
- (508) 543-5337
- Medicare enrollment
- Enrolled (PECOS I20250911004932); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2021
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 627 in Massachusetts → Look up another NPI →
Verify Nicholas Keating Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1023293Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average dermatology physician in 2024
608 Medicare Part D claims for 215 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Ketoconazole74 claims
- Triamcinolone Acetonide58 claims
- Dupixent Pen52 claims
- Mupirocin32 claims
- Clobetasol Propionate30 claims
- Fluocinonide22 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.
Bills Medicare through one group practice
- Dermatology Associates PCNorwood, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Keating Leonard among 627 dermatology physician records in Massachusetts
Nicholas Keating Leonard, 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2021 · median 2008 among the 445 with a school on file
- Record last updated2026 · 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).
2 dermatology physician records list a practice address in Foxborough
They are 2 of the 155 NPPES records with a practice address in Foxborough, and 627 dermatology physician records in Massachusetts.
All 627 in Massachusetts → Every provider in Foxborough → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Suzanne Shroba, M.D.Foxborough, MA 020351891703518
- Seema Doshi, MDFranklin, MA 020381033124771
- Dhrumil Patel, MDFranklin, MA 020381518429521
- Laurel Morton, MDDedham, MA 020261144454661
- Monique Roth, MDDedham, MA 020261427055953
- Susan Sweeney, M.D.Canton, MA 020211033192976
- Joyce ImahiyeroboNorwell, MA 020611104086107
- Kelly O'Connor, MDNorwell, MA 020611659875540
Common questions
What is Nicholas Keating Leonard, MD's NPI number?
Nicholas Keating Leonard, MD's National Provider Identifier (NPI) is 1386221596, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Keating Leonard, MD located?
The NPPES record lists a practice address at 9 Payson RD Ste 225, Foxborough, MA, 02035. Phone: (781) 762-5858. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Keating Leonard, MD's license?
NPPES lists Massachusetts license number 1023293, 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 Nicholas Keating Leonard, MD prescribe under Medicare Part D?
In 2024, Nicholas Keating Leonard, MD had 608 Medicare Part D claims for 215 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.