NPPES file of Aug 9, 2026

Joseph Leanza, M.D

Emergency Medicine Physician · Boston, MA

Joseph Leanza, M.D is an emergency medicine physician with a practice address in Boston, Massachusetts, and NPI 1558892356, issued on Mar 23, 2017. Check the license (Massachusetts 1015168, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558892356
Name
Joseph Leanza
Credential
M.D
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
1015168 MA
MD468114 PA
Self-reported in NPPES; status is on the state search
Practice location
1 Boston Medical Ctr PL, Boston, MA 02118
Phone
(617) 414-5481
Enumerated
Mar 23, 2017
Record last updated
Sep 6, 2023
Fax
(617) 414-7759
Medicare enrollment
Enrolled (PECOS I20230720000512); accepts Medicare assignment
Medical or professional school
Icahn School Of Medicine At Mount Sinai, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1 Boston Medical Ctr PL

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rachel Achu-Lopes, M.D.Anesthesiology Physician1417376872
  2. Sapana Adhikari, M.D.Emergency Medicine Physician1902870694
  3. Tara AdyanthayaMental Health Counselor1053998419
  4. Shuchi AgarwalStudent in an Organized Health Care Education/Training Program1063701753
  5. Christina AgudeloStudent in an Organized Health Care Education/Training Program1699423772
  6. Priscilla AguilarStudent in an Organized Health Care Education/Training Program1033838792

Verify Joseph Leanza in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 1015168
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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87% fewer Medicare Part D claims than the average emergency medicine physician in 2024

30 Medicare Part D claims for 19 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Joseph Leanza30
  2. Specialty average226

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Boston Emergency Physician Foundation IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joseph Leanza among 1,829 emergency medicine physician records in Massachusetts

Joseph Leanza, M.D is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.

  • NPI issued2017 · 77% of these records are older, 20% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2017 · median 2011 among the 1,200 with a school on file
  • Record last updated2023 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

543 emergency medicine physician records list a practice address in Boston

They are 543 of the 41,865 NPPES records with a practice address in Boston, and 1,829 emergency medicine physician records in Massachusetts.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Evan Berg, MDBoston, MA 021181982692596
  2. Edward Bernstein, MDBoston, MA 021181568434926
  3. Andreas Dewitz, MDBoston, MA 021181740267434
  4. Kathryn Dyer, MDBoston, MA 021181851363048
  5. James Feldman, MDBoston, MA 021181801868682
  6. Jerrilyn Jones, MDBoston, MA 021181467435396
  7. Joseph Kahn, M.D.Boston, MA 021181144293572
  8. Ricky Kue, M.D., M.P.H.Boston, MA 021181134102395

Common questions

What is Joseph Leanza, M.D's NPI number?

Joseph Leanza, M.D's National Provider Identifier (NPI) is 1558892356, issued on Mar 23, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Leanza, M.D located?

The NPPES record lists a practice address at 1 Boston Medical Ctr PL, Boston, MA, 02118. Phone: (617) 414-5481. Providers update this record themselves, so call before visiting.

How can I verify Joseph Leanza, M.D's license?

NPPES lists Massachusetts license number 1015168, 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 Joseph Leanza, M.D prescribe under Medicare Part D?

In 2024, Joseph Leanza, M.D had 30 Medicare Part D claims for 19 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Joseph Leanza, M.D's MIPS final score?

The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.