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.
- 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
8 nearest hospice and palliative medicine (family medicine) physician records → All 19 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St # 189
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rachel Bernstein, M.D.Hospice and Palliative Medicine (Emergency Medicine) Physician1881953917
Verify Michael Eizyk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1023922Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Metformin Hcl77 claims
- Atorvastatin Calcium52 claims
- Amlodipine Besylate41 claims
- Gabapentin38 claims
- Lisinopril29 claims
- 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.
All 19 in Massachusetts → Every provider in Boston → Hospice and Palliative Medicine (Family Medicine) Physician nationwide →
The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes
- Victor Wan, MDBoston, MA 021111013545904
- Eric Krakauer, MDBoston, MA 021141649251000
- Anna Rayne, MDBoston, MA 021141508359837
- Mark Stoltenberg, M.D., M.A.Boston, MA 021141114280310
- Aaliyah Hoo Kim- Baker, RNDorchester, MA 021211497579957
- Ariadne Mueller, MDBoston, MA 022151538375621
- Anna Chon, M.D.Danvers, MA 019231578982518
- 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.