Michael Baruch Zack, MD
Pulmonary Disease Physician · Medford, MA
Michael Baruch Zack, MD is a pulmonary disease physician with a practice address in Medford, Massachusetts, and NPI 1457342198, issued on Nov 2, 2005. Check the license (Massachusetts 33803, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael Baruch Zack
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 33803 MA
Self-reported in NPPES; status is on the state search - Practice location
- 101 Main St, Medford, MA 02155
- Phone
- (781) 391-6318
- Enumerated
- Nov 2, 2005
- Record last updated
- Mar 13, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (781) 391-2709
- Medicaid ID
- 2050765 MA
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 569 in Massachusetts → Look up another NPI →
Also registered at 101 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Baruch Zack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 33803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
46 Medicare Part D claims, against an average of 1,425 among the 11,596 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.
Michael Baruch Zack among 569 pulmonary disease physician records in Massachusetts
Michael Baruch Zack, MD is one of 569 pulmonary disease 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2013 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Massachusetts
There are 569 pulmonary disease physician records in Massachusetts.
All 569 in Massachusetts → Every provider in Medford → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Sara Auld, M.D.Chelsea, MA 021501376734491
- Muge Erkan, M.D.Everett, MA 021491124075387
- Donald Kaplan, M.D.Everett, MA 021491275572273
- Romney Laderberg, MDEverett, MA 021491326002668
- Carmen Bozic, M.D.Cambridge, MA 021421871737213
- Mark Berenberg, M.D.Quincy, MA 021691942298971
- Kenneth Einstein, M.D.Quincy, MA 021691972504298
- Milana Shturman, D.O.Quincy, MA 021691407882996
Common questions
What is Michael Baruch Zack, MD's NPI number?
Michael Baruch Zack, MD's National Provider Identifier (NPI) is 1457342198, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Baruch Zack, MD located?
The NPPES record lists a practice address at 101 Main St, Medford, MA, 02155. Phone: (781) 391-6318. Providers update this record themselves, so call before visiting.
How can I verify Michael Baruch Zack, MD's license?
NPPES lists Massachusetts license number 33803, 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 Baruch Zack, MD prescribe under Medicare Part D?
In 2024, Michael Baruch Zack, MD had 46 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,425. 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.