Nicole Leggiero, MD
Internal Medicine Physician · Boston, MA
Nicole Leggiero, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1649973363, issued on Mar 22, 2023. Check the license (Massachusetts 1026114, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Nicole Leggiero
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1026114 MA
Self-reported in NPPES; status is on the state search - Practice location
- 801 Massachusetts Ave, Suite 6C, Boston, MA 02118
- Phone
- (617) 414-5951
- Enumerated
- Mar 22, 2023
- Record last updated
- May 1, 2026
- Fax
- (617) 414-9201
- Medicare enrollment
- Enrolled (PECOS I20260514001321); may accept Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2023
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 801 Massachusetts Ave, Suite 6C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Bautista, RNFamily Nurse Practitioner1598355307
- Maia Claman, FNP-BCFamily Nurse Practitioner1245106053
- Joshua Grubbs, MD, MPHInternal Medicine Physician1447952130
- Om KothariInternal Medicine Physician1598467797
- Sandra Looby-Gordon, M.D.Internal Medicine Physician1972549343
- Jason McLean, MD, MPHInternal Medicine Physician1518660398
Verify Nicole Leggiero in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1026114Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
59 Medicare Part D claims for 16 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Nicole Leggiero among 6,825 internal medicine physician records in Massachusetts
Nicole Leggiero, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 95% of them.
- NPI issued2023 · 95% of these records are older, 3% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2023 · median 2004 among the 4,103 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,320 internal medicine physician records list a practice address in Boston
They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Boston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Daniel Alford, M.D., M.P.H.Boston, MA 021181194708628
- Lori Balestrero, MDBoston, MA 021181750384046
- Virginia Barrow, M.D.Boston, MA 021181639175466
- Monica Bharel, MDBoston, MA 021181093798084
- Claire Carlo, M.D.Boston, MA 021181336125871
- Chava Chapman, M.D., M.P.H.Boston, MA 021181558346239
- Paul Fallon, MDBoston, MA 021181437145927
- Irene Gavras, M.D.Boston, MA 021181619953601
Common questions
What is Nicole Leggiero, MD's NPI number?
Nicole Leggiero, MD's National Provider Identifier (NPI) is 1649973363, issued on Mar 22, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Nicole Leggiero, MD located?
The NPPES record lists a practice address at 801 Massachusetts Ave, Suite 6C, Boston, MA, 02118. Phone: (617) 414-5951. Providers update this record themselves, so call before visiting.
How can I verify Nicole Leggiero, MD's license?
NPPES lists Massachusetts license number 1026114, 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 Nicole Leggiero, MD prescribe under Medicare Part D?
In 2024, Nicole Leggiero, MD had 59 Medicare Part D claims for 16 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.