Joseph E. Flack, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Chicopee, MA
Joseph E. Flack, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Chicopee, Massachusetts, and NPI 1629095294, issued on Jul 17, 2006. Check the license (Massachusetts 70671, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph E. Flack
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 70671 MA
Self-reported in NPPES; status is on the state search - Practice location
- 444 Montgomery St, Chicopee, MA 01020
- Phone
- (413) 594-3111
- Enumerated
- Jul 17, 2006
- Record last updated
- Apr 23, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (413) 598-7014
- Medicaid ID
- 110047053A MA
- Medicare enrollment
- Enrolled (PECOS I20180529001190); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1980
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 228 in Massachusetts → Look up another NPI →
Also registered at 444 Montgomery St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janice Acheampong, MDInternal Medicine Physician1912144031
- Jennifer Alix, PA-CPhysician Assistant1407296528
- Lee Appelbaum, DOObstetrics & Gynecology Physician1063876266
- Charles Austin, M.D.Diagnostic Radiology Physician1700840899
- Suzy-Ann BakerFamily Nurse Practitioner1952051120
- Patrick Barnett, MDDiagnostic Radiology Physician1396781381
Verify Joseph E. Flack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 70671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
32 Medicare Part D claims for 17 beneficiaries, against an average of 101 among the 2,587 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.
Industry payments in 2024: $1,544.72
36 payments; by number, the most common kind was food and beverage; the largest payer was Edwards Lifesciences Corporation. The 4,047 providers of this specialty with any payment received $7,828.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Riverbend Medical Group IncChicopee, MA
- Trinity Health OF New England Provider Network Organization IncHartford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph E. Flack among 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts
Joseph E. Flack, M.D. is one of 228 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Massachusetts. 68% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 51% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1980 · median 1998 among the 131 with a school on file
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Massachusetts
There are 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts.
All 228 in Massachusetts → Every provider in Chicopee → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Laki Rousou, M.D.Springfield, MA 011041871680918
- Alfred Adegboyegun, MDSpringfield, MA 011071205953957
- Nathan Airhart, MDSpringfield, MA 011071851611008
- David Bull, MDSpringfield, MA 011071497845085
- David Deaton, M.D.Springfield, MA 011071265450019
- Daniel Engelman, M.D.Springfield, MA 011071366468894
- Rose Ganim, MDSpringfield, MA 011071851412217
- Jeanne Lukanich, MDSpringfield, MA 011071679547277
Common questions
What is Joseph E. Flack, M.D.'s NPI number?
Joseph E. Flack, M.D.'s National Provider Identifier (NPI) is 1629095294, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph E. Flack, M.D. located?
The NPPES record lists a practice address at 444 Montgomery St, Chicopee, MA, 01020. Phone: (413) 594-3111. Providers update this record themselves, so call before visiting.
How can I verify Joseph E. Flack, M.D.'s license?
NPPES lists Massachusetts license number 70671, 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 E. Flack, M.D. prescribe under Medicare Part D?
In 2024, Joseph E. Flack, M.D. had 32 Medicare Part D claims for 17 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. 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.