NPPES file of Aug 9, 2026

Joseph Stewart Bass, MD

Emergency Medicine Physician · Holyoke, MA

Joseph Stewart Bass, MD is an emergency medicine physician with a practice address in Holyoke, Massachusetts, and NPI 1346256278, issued on Jul 31, 2006. Check the license (Massachusetts 53078, 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
1346256278
Name
Joseph Stewart Bass
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
53078 MA
Self-reported in NPPES; status is on the state search
Practice location
230 Maple St Ste 1, Holyoke, MA 01040
Phone
(413) 420-2200
Enumerated
Jul 31, 2006
Record last updated
Nov 12, 2025
Fax
(413) 534-5416
Medicare enrollment
Enrolled (PECOS I20070911000523); accepts Medicare assignment
Medical or professional school
University Of Chicago, Pritzker School Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 230 Maple St Ste 1

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

  1. Chithu Abraham, DDSDentist1043615321
  2. Jamie Abraham, DMD, MPHDentist1720665854
  3. Ayotunde Akinwande, DNP, APRN, FNP-BCFamily Nurse Practitioner1740112630
  4. Kefah Al-Ramahi, M.D.Internal Medicine Physician1235493008
  5. Matthew Antil, PHARMD, RPHPharmacist1467172056
  6. Muriel Appram, NPNurse Practitioner1639952401

Verify Joseph Stewart Bass 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 53078
    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.

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3.7 times the Medicare Part D claims of the average emergency medicine physician in 2024

825 Medicare Part D claims for 256 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Joseph Bass825
  2. Specialty average226

Most prescribed

  1. Buprenorphine-Naloxone157 claims
  2. Suboxone67 claims
  3. Prednisone62 claims
  4. Ventolin Hfa55 claims
  5. Albuterol Sulfate Hfa38 claims
  6. Fluticasone Propionate36 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.

Bills Medicare through one group practice

  1. Holyoke Health Center Inc.Holyoke, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Emergency Medicine Physician providers in Massachusetts

There are 1,829 emergency medicine physician records in Massachusetts.

Other emergency medicine physician records in Massachusetts

  1. Emily Aaronson, M.D.Boston, MA1962791558
  2. Sharif Abdel Jalil, PHARM. D., MDWorcester, MA1649795758
  3. Menahem Abraham, M.D.Beverly, MA1720113889
  4. Aser AbrhaBoston, MA1568102796
  5. Jorge Acevedo Herman, MDWorcester, MA1447955000
  6. Matthew Adamo, DOFalmouth, MA1912446972
  7. Austin AdamsBoston, MA1861139388
  8. Sapana Adhikari, M.D.Boston, MA1902870694
  9. Jamie Adler, MDBoston, MA1659765790
  10. Jonathan Adler, MDBoston, MA1609851500

Common questions

What is Joseph Stewart Bass, MD's NPI number?

Joseph Stewart Bass, MD's National Provider Identifier (NPI) is 1346256278, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Stewart Bass, MD located?

The NPPES record lists a practice address at 230 Maple St Ste 1, Holyoke, MA, 01040. Phone: (413) 420-2200. Providers update this record themselves, so call before visiting.

How can I verify Joseph Stewart Bass, MD's license?

NPPES lists Massachusetts license number 53078, 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 Joseph Stewart Bass, MD prescribe under Medicare Part D?

In 2024, Joseph Stewart Bass, MD had 825 Medicare Part D claims for 256 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.