Leonard A. Rappaport, MD
Developmental - Behavioral Pediatrics Physician · Boston, MA
Leonard A. Rappaport, MD is a developmental - behavioral pediatrics physician with a practice address in Boston, Massachusetts, and NPI 1568426096, issued on Apr 13, 2006. Check the license (Massachusetts 46598, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Leonard A. Rappaport
- Credential
- MD
- Primary taxonomy
- Developmental - Behavioral Pediatrics Physician 2080P0006X
- License number
- 46598 MA
Self-reported in NPPES; status is on the state search - Practice location
- Children's Hospital, Fegan 10, Boston, MA 02115
- Phone
- (617) 355-7030
- Enumerated
- Apr 13, 2006
- Record last updated
- Aug 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 0184802 MA
- Entity
- Type 1 · individual
8 nearest developmental - behavioral pediatrics physician records → All 70 in Massachusetts → Look up another NPI →
Verify Leonard A. Rappaport in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 46598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average developmental - behavioral pediatrics physician in 2024
14 Medicare Part D claims, against an average of 109 among the 122 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.
Leonard A. Rappaport among 70 developmental - behavioral pediatrics physician records in Massachusetts
Leonard A. Rappaport, MD is one of 70 developmental - behavioral pediatrics physician records with a practice address in Massachusetts. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 50% newer
- In a Medicare fileYes · 26% of these records are
- In the CMS Doctors and Clinicians fileNo · 14% of these records are
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0006X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Developmental - Behavioral Pediatrics Physician providers in Massachusetts
There are 70 developmental - behavioral pediatrics physician records in Massachusetts.
All 70 in Massachusetts → Every provider in Boston → Developmental - Behavioral Pediatrics Physician nationwide →
The 8 developmental - behavioral pediatrics physician records with the nearest ZIP codes
- William Barbaresi, M.D.Boston, MA 021151689654816
- Ronald Becker, MDBoston, MA 021151881707479
- Julie Bickel, MDBoston, MA 021151518163377
- Jo-Ann Bier, MDBoston, MA 021151649383258
- Constance Keefer, MDBoston, MA 021151023055712
- Sharon Levy, MDBoston, MA 021151962502260
- Ramzi Nasir, M.D.Boston, MA 021151831225424
- Judith Palfrey, MDBoston, MA 021151548361447
Common questions
What is Leonard A. Rappaport, MD's NPI number?
Leonard A. Rappaport, MD's National Provider Identifier (NPI) is 1568426096, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leonard A. Rappaport, MD located?
The NPPES record lists a practice address at Children's Hospital, Fegan 10, Boston, MA, 02115. Phone: (617) 355-7030. Providers update this record themselves, so call before visiting.
How can I verify Leonard A. Rappaport, MD's license?
NPPES lists Massachusetts license number 46598, 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 Leonard A. Rappaport, MD prescribe under Medicare Part D?
In 2024, Leonard A. Rappaport, MD had 14 Medicare Part D claims; the average among developmental - behavioral pediatrics physician prescribers was 109. 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.