Ari Kriegel, M.D.
Hospitalist Physician · Boston, MA
Ari Kriegel, M.D. is a hospitalist physician with a practice address in Boston, Massachusetts, and NPI 1801243613, issued on May 22, 2016. Check the license (Massachusetts 278515, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Ari Kriegel
- Credential
- M.D.
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 278515 MA
268231 MA
Self-reported in NPPES; status is on the state search - Practice location
- 330 Brookline Ave, Boston, MA 02215
- Phone
- (617) 667-7000
- Enumerated
- May 22, 2016
- Record last updated
- Aug 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190730004072); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 525 in Massachusetts → Look up another NPI →
Also registered at 330 Brookline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ari Kriegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 278515Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average hospitalist physician in 2024
62 Medicare Part D claims for 30 beneficiaries, against an average of 521 among the 21,613 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.
Bills Medicare through one group practice
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ari Kriegel among 525 hospitalist physician records in Massachusetts
Ari Kriegel, M.D. is one of 525 hospitalist physician records with a practice address in Massachusetts. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 55% of them.
- NPI issued2016 · 55% of these records are older, 40% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2016 · median 2012 among the 449 with a school on file
- Record last updated2019 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Massachusetts
There are 525 hospitalist physician records in Massachusetts.
All 525 in Massachusetts → Every provider in Boston → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Alexander Carbo, M.D.Boston, MA 022151962504381
- Bulbul Cibei, M.DBoston, MA 022151609129634
- Kirsten Courtade, MDBoston, MA 022151437439023
- David Feinbloom, M.D.Boston, MA 022151407845837
- Henry Feldman, M.D.Boston, MA 022151801874177
- Grace Huang, M.D.Boston, MA 022151134221559
- Lily Huang, M.D.Boston, MA 022151063851640
- Andrew Junkin, MDBoston, MA 022151457614737
Common questions
What is Ari Kriegel, M.D.'s NPI number?
Ari Kriegel, M.D.'s National Provider Identifier (NPI) is 1801243613, issued on May 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ari Kriegel, M.D. located?
The NPPES record lists a practice address at 330 Brookline Ave, Boston, MA, 02215. Phone: (617) 667-7000. Providers update this record themselves, so call before visiting.
How can I verify Ari Kriegel, M.D.'s license?
NPPES lists Massachusetts license number 278515, 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 Ari Kriegel, M.D. prescribe under Medicare Part D?
In 2024, Ari Kriegel, M.D. had 62 Medicare Part D claims for 30 beneficiaries; the average among hospitalist physician prescribers was 521. 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.