Eric J. Bush, MD
Internal Medicine Physician · Gt Barrington, MA
Eric J. Bush, MD is an internal medicine physician with a practice address in Gt Barrington, Massachusetts, and NPI 1801987151, issued on Sep 28, 2006. Check the license (Massachusetts 79735, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Eric J. Bush
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 79735 MA
Self-reported in NPPES; status is on the state search - Practice location
- 780 Main St, Gt Barrington, MA 01230
- Phone
- (413) 528-2418
- Enumerated
- Sep 28, 2006
- Record last updated
- Oct 6, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (413) 528-2907
- Medicaid ID
- 3149625 MA
- Medicare enrollment
- Enrolled (PECOS I20080415000240); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 1989
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 780 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Patricia McKeon, PAPhysician Assistant1013099480
- Daniel Patel, MDInternal Medicine Physician1588755011
- Andrew Potler, DOInternal Medicine Physician1427149798
Verify Eric J. Bush in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 79735Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average internal medicine physician in 2024
11,619 Medicare Part D claims for 1,172 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 319 claims were for opioids.
Most prescribed
- Atorvastatin Calcium592 claims
- Rosuvastatin Calcium516 claims
- Amlodipine Besylate407 claims
- Levothyroxine Sodium385 claims
- Lisinopril365 claims
- Metoprolol Succinate323 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.
2 hospitals and group practices
- Fairview HospitalGreat Barrington, MA · Critical Access Hospitals5 of 5 stars
- Berkshire Faculty Services IncGreat Barrington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Eric J. Bush among 6,825 internal medicine physician records in Massachusetts
Eric J. Bush, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1989 · median 2004 among the 4,103 with a school on file
- Record last updated2014 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Gt Barrington
They are 5 of the 29 NPPES records with a practice address in Gt Barrington, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Gt Barrington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brian BurkeGreat Barrington, MA 012301376672519
- Katrina Curtiss, NPGreat Barrington, MA 012301821882770
- William Demarco, DOGreat Barrington, MA 012301124103577
- John Dubois, M.D.Gt Barrington, MA 012301861642563
- Mani George, MDGt Barrington, MA 012301497843650
- Alan Inglis, MDGreat Barrington, MA 012301801840889
- Daniel Patel, MDGt Barrington, MA 012301588755011
- Andrew Potler, DOGt Barrington, MA 012301427149798
Common questions
What is Eric J. Bush, MD's NPI number?
Eric J. Bush, MD's National Provider Identifier (NPI) is 1801987151, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eric J. Bush, MD located?
The NPPES record lists a practice address at 780 Main St, Gt Barrington, MA, 01230. Phone: (413) 528-2418. Providers update this record themselves, so call before visiting.
How can I verify Eric J. Bush, MD's license?
NPPES lists Massachusetts license number 79735, 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 Eric J. Bush, MD prescribe under Medicare Part D?
In 2024, Eric J. Bush, MD had 11,619 Medicare Part D claims for 1,172 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.