Allison Chatalbash
Hospitalist Physician · Newton, MA
Allison Chatalbash is a hospitalist physician with a practice address in Newton, Massachusetts, and NPI 1255573192, issued on Mar 24, 2009. Check the license (Massachusetts 250935, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Allison Chatalbash
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 250935 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2014 Washington St, Newton, MA 02464
- Phone
- (617) 243-6345
- Enumerated
- Mar 24, 2009
- Record last updated
- Mar 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120827000019); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 525 in Massachusetts → Look up another NPI →
Verify Allison Chatalbash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 250935Check 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
64 Medicare Part D claims for 39 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
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Chatalbash among 525 hospitalist physician records in Massachusetts
Allison Chatalbash 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 2009, is newer than 33% of them.
- NPI issued2009 · 33% of these records are older, 63% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2009 · median 2012 among the 449 with a school on file
- Record last updated2013 · 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 Newton → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Gene Alperovich, MDNewton, MA 024621669550554
- Hacho Bohossian, MDNewton, MA 024621528020518
- Christine Combs, MDNewton, MA 024621437374022
- Hamza Aksu, MDBrookline, MA 024451902442635
- Lopamudra Acharya, MDNeedham, MA 024921144513763
- Bilal Ansari, MDNeedham, MA 024921831741024
- Alon Dor, M.D.Needham, MA 024921376806653
- Kristine Dulaski, M.D.Needham, MA 024921841246964
Common questions
What is Allison Chatalbash's NPI number?
Allison Chatalbash's National Provider Identifier (NPI) is 1255573192, issued on Mar 24, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Allison Chatalbash located?
The NPPES record lists a practice address at 2014 Washington St, Newton, MA, 02464. Phone: (617) 243-6345. Providers update this record themselves, so call before visiting.
How can I verify Allison Chatalbash's license?
NPPES lists Massachusetts license number 250935, 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 Allison Chatalbash prescribe under Medicare Part D?
In 2024, Allison Chatalbash had 64 Medicare Part D claims for 39 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.