NPPES file of Aug 9, 2026

Michael Eizyk, MD

Hospice and Palliative Medicine (Family Medicine) Physician · Boston, MA

Michael Eizyk, MD is a hospice and palliative medicine (family medicine) physician with a practice address in Boston, Massachusetts, and NPI 1013572684, issued on May 8, 2019. Check the license (Massachusetts 1023922, 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
1013572684
Name
Michael Eizyk
Credential
MD
Primary taxonomy
Hospice and Palliative Medicine (Family Medicine) Physician 207QH0002X
License numbers
1023922 MA
112960 GA
Self-reported in NPPES; status is on the state search
Practice location
800 Washington St # 189, Boston, MA 02111
Phone
(617) 636-7957
Enumerated
May 8, 2019
Record last updated
Aug 4, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 800 Washington St # 189

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

  1. Rachel Bernstein, M.D.Hospice and Palliative Medicine (Emergency Medicine) Physician1881953917

Verify Michael Eizyk 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 1023922
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

14% fewer Medicare Part D claims than the average hospice and palliative medicine (family medicine) physician in 2024

973 Medicare Part D claims for 119 beneficiaries, against an average of 1,129 among the 731 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 16 claims were for opioids.

  1. Michael Eizyk973
  2. Specialty average1,129

Most prescribed

  1. Metformin Hcl77 claims
  2. Atorvastatin Calcium52 claims
  3. Amlodipine Besylate41 claims
  4. Gabapentin38 claims
  5. Lisinopril29 claims
  6. Omeprazole27 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.

Michael Eizyk among 19 hospice and palliative medicine (family medicine) physician records in Massachusetts

Michael Eizyk, MD is one of 19 hospice and palliative medicine (family medicine) physician records with a practice address in Massachusetts. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 84% of them.

  • NPI issued2019 · 84% of these records are older, 11% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2026 · 47% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QH0002X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospice and Palliative Medicine (Family Medicine) Physician providers in Massachusetts

There are 19 hospice and palliative medicine (family medicine) physician records in Massachusetts.

The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes

  1. Victor Wan, MDBoston, MA 021111013545904
  2. Eric Krakauer, MDBoston, MA 021141649251000
  3. Anna Rayne, MDBoston, MA 021141508359837
  4. Mark Stoltenberg, M.D., M.A.Boston, MA 021141114280310
  5. Aaliyah Hoo Kim- Baker, RNDorchester, MA 021211497579957
  6. Ariadne Mueller, MDBoston, MA 022151538375621
  7. Anna Chon, M.D.Danvers, MA 019231578982518
  8. Stephanie Patel, MDDanvers, MA 019231609840461

Common questions

What is Michael Eizyk, MD's NPI number?

Michael Eizyk, MD's National Provider Identifier (NPI) is 1013572684, issued on May 8, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Michael Eizyk, MD located?

The NPPES record lists a practice address at 800 Washington St # 189, Boston, MA, 02111. Phone: (617) 636-7957. Providers update this record themselves, so call before visiting.

How can I verify Michael Eizyk, MD's license?

NPPES lists Massachusetts license number 1023922, 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 Eizyk, MD prescribe under Medicare Part D?

In 2024, Michael Eizyk, MD had 973 Medicare Part D claims for 119 beneficiaries; the average among hospice and palliative medicine (family medicine) physician prescribers was 1,129. 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.