Maureen Michelle Leonard, M.D.
Pediatrics Physician · Boston, MA
Maureen Michelle Leonard, M.D. is a pediatrics physician with a practice address in Boston, Massachusetts, and NPI 1336374552, issued on May 18, 2009. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Maureen Michelle Leonard
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- Practice location
- 755 Washington St., Boston, MA 02111
- Phone
- (617) 636-5000
- Enumerated
- May 18, 2009
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20150603002904); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 2,628 in Massachusetts → Look up another NPI →
Verify Maureen Michelle Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $2,000.00
1 payment: consulting fee; the largest payer was Takeda Pharmaceuticals U.S.A., Inc. The 21,580 providers of this specialty with any payment received $842.05 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
- The General Hospital CorporationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maureen Michelle Leonard among 2,628 pediatrics physician records in Massachusetts
Maureen Michelle Leonard, M.D. is one of 2,628 pediatrics physician records with a practice address in Massachusetts. 25% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 25% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated2009 · median 2010 among the 319 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
822 pediatrics physician records list a practice address in Boston
They are 822 of the 41,865 NPPES records with a practice address in Boston, and 2,628 pediatrics physician records in Massachusetts.
All 2,628 in Massachusetts → Every provider in Boston → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Linda Bishop, MDBoston, MA 021111831152149
- Mary Brown, MDBoston, MA 021111508806092
- Anne Colwell, MDBoston, MA 021111417942053
- Catherine Davis, M.D.Boston, MA 021111366476038
- Dan Hale, MDBoston, MA 021111235118845
- Lynne Karlson, MDBoston, MA 021111306953773
- Jane Kiff, MDBoston, MA 021111033163704
- Mark Korson, MDBoston, MA 021111245347616
Common questions
What is Maureen Michelle Leonard, M.D.'s NPI number?
Maureen Michelle Leonard, M.D.'s National Provider Identifier (NPI) is 1336374552, issued on May 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maureen Michelle Leonard, M.D. located?
The NPPES record lists a practice address at 755 Washington St., Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.
How can I verify Maureen Michelle Leonard, M.D.'s license?
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.
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.