Jonathon B. Zeitler, MD
Critical Care Medicine (Internal Medicine) Physician · Boston, MA
Jonathon B. Zeitler, MD is a critical care medicine (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1245818202, issued on Mar 31, 2021. Check the license (Massachusetts 3018024, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jonathon B. Zeitler
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 3018024 MA
Self-reported in NPPES; status is on the state search - Practice location
- 260 Tremont Street, Boston, MA 02116
- Phone
- (617) 636-6377
- Enumerated
- Mar 31, 2021
- Record last updated
- Jun 30, 2025
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 157 in Massachusetts → Look up another NPI →
Also registered at 260 Tremont Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jonathon B. Zeitler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 3018024Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
135 Medicare Part D claims for 40 beneficiaries, against an average of 696 among the 2,873 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.
Jonathon B. Zeitler among 157 critical care medicine (internal medicine) physician records in Massachusetts
Jonathon B. Zeitler, MD is one of 157 critical care medicine (internal medicine) physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 95% of them.
- NPI issued2021 · 95% of these records are older, 4% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2025 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Massachusetts
There are 157 critical care medicine (internal medicine) physician records in Massachusetts.
All 157 in Massachusetts → Every provider in Boston → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Barbara Cockrill Gootkind, MDBoston, MA 021151265417711
- Paul Dieffenbach, M.D.Boston, MA 021151376717348
- Pouneh Golmai, M.D.Boston, MA 021151467832030
- Dearbhla Kelly, MBBCHBAO MSC DPHILBoston, MA 021151346038486
- Eleanor Phillips, MDBoston, MA 021151205365350
- Justin Salciccioli, MBBS, MABoston, MA 021151407386659
- Morgan Soffler, M.D.Boston, MA 021151962792002
- Rosalind Wright, M.D.Boston, MA 021151366412686
Common questions
What is Jonathon B. Zeitler, MD's NPI number?
Jonathon B. Zeitler, MD's National Provider Identifier (NPI) is 1245818202, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jonathon B. Zeitler, MD located?
The NPPES record lists a practice address at 260 Tremont Street, Boston, MA, 02116. Phone: (617) 636-6377. Providers update this record themselves, so call before visiting.
How can I verify Jonathon B. Zeitler, MD's license?
NPPES lists Massachusetts license number 3018024, 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 Jonathon B. Zeitler, MD prescribe under Medicare Part D?
In 2024, Jonathon B. Zeitler, MD had 135 Medicare Part D claims for 40 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.