NPPES file of Aug 9, 2026

Michael Job Landzberg, MD

Adult Congenital Heart Disease Physician · Boston, MA

Michael Job Landzberg, MD is an adult congenital heart disease physician with a practice address in Boston, Massachusetts, and NPI 1124019864, issued on Nov 2, 2005. Check the license (Massachusetts 71141, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124019864
Name
Michael Job Landzberg
Credential
MD
Primary taxonomy
Adult Congenital Heart Disease Physician 207RA0002X
License number
71141 MA
Self-reported in NPPES; status is on the state search
Practice location
300 Longwood Ave, Boston, MA 02115
Phone
(617) 355-2793
Enumerated
Nov 2, 2005
Record last updated
Nov 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
3085325 MA
Medicare enrollment
Enrolled (PECOS I20050503000988); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 1985
Telehealth
Offers telehealth (CMS)
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 300 Longwood Ave

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

  1. Sylvia Abadir, MDPediatric Cardiology Physician1427366459
  2. Isabel Abbott, MDNeurology with Special Qualifications in Child Neurology Physician1033772579
  3. Kristin Abdelnour, PTPhysical Therapist1982821302
  4. Mohamed Abdelrahman, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1558050591
  5. Nadia Abdulrazak, N.P.Adult Health Nurse Practitioner1952616682
  6. Dhatri AbeyaratneStudent in an Organized Health Care Education/Training Program1437098233

Verify Michael Job Landzberg 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 71141
    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

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81% fewer Medicare Part D claims than the average adult congenital heart disease physician in 2024

89 Medicare Part D claims for 23 beneficiaries, against an average of 462 among the 117 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Michael Landzberg89
  2. Specialty average462

Most prescribed

  1. Tyvaso Dpi38 claims
  2. Ambrisentan15 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

  1. Boston Childrens Heart Foundation IncBoston, MA

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

Adult Congenital Heart Disease Physician providers in Massachusetts

There are 10 adult congenital heart disease physician records in Massachusetts.

Other adult congenital heart disease physician records in Massachusetts

  1. Fernando Baraona Reyes, MDBoston, MA1710279914
  2. Michelle Gurvitz, MDBoston, MA1023037611
  3. Sihong Huang, M.D.Boston, MA1174561484
  4. Christopher Learn, M.D.Boston, MA1780893685
  5. Amrit MisraBoston, MA1184067423
  6. Michael Singh, MDBoston, MA1801877931
  7. Anne Valente, MDBoston, MA1568558914
  8. Christopher ValleBoston, MA1982094603
  9. Fred Wu, M.D.Boston, MA1962469932

Common questions

What is Michael Job Landzberg, MD's NPI number?

Michael Job Landzberg, MD's National Provider Identifier (NPI) is 1124019864, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael Job Landzberg, MD located?

The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-2793. Providers update this record themselves, so call before visiting.

How can I verify Michael Job Landzberg, MD's license?

NPPES lists Massachusetts license number 71141, 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 Michael Job Landzberg, MD prescribe under Medicare Part D?

In 2024, Michael Job Landzberg, MD had 89 Medicare Part D claims for 23 beneficiaries; the average among adult congenital heart disease physician prescribers was 462. 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.