DR. JOSEPH E. FLACK M.D.
NPI 1629095294
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Chicopee, MA

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment
444 MONTGOMERY ST, CHICOPEE, MA 01020(413) 594-3111(413) 598-7014 Get Directions Write a Review

NPPES record last updated: April 23, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 23, 2018, Nov 15, 2016 (2 updates tracked since 2016).

About Dr. Joseph E. Flack M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOSEPH E. FLACK M.D. (NPI 1629095294) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Chicopee, Massachusetts, licensed in Massachusetts (70671) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Ctr, and maintains a secondary practice location in Chicopee.

NPPES Registry Identity

NPI1629095294
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. JOSEPH E. FLACKCredential: M.D.
Location Address444 MONTGOMERY STChicopee, MA 01020-1969
Mailing Address1300 Hall Blvd Fl 3Bloomfield, CT 06002-2918 · (860) 714-9137 · Fax (860) 714-8610
Fax(413) 598-7014
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 1980
Enumeration DateJuly 17, 2006
Last NPPES UpdateApril 23, 20182 updates tracked since enumeration
✔ NPI 1629095294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License✔ Licensed in MA · 70671
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
444 MONTGOMERY ST, Chicopee, MA 01020

Secondary Practice Location 1

Location 1444 Montgomery StChicopee, MA 01020-1969 · Phone (413) 594-3111 · Fax (413) 598-7014

Other Identifiers 1

Medicaid110047053AMA

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Joseph E. Flack M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446274427
PECOS Enrollment IDI20060117000931, I20180529001190
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Joseph Flack reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
271 CAREW ST
Springfield, MA 01104
  • Reassigned Medicare billing, Massachusetts enrollment
  • 298 clinicians in this Medicare group
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
32 services32 patients
Replacement of aortic valve through the skin and femoral artery 33361
This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.
23 services23 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mercy Medical Ctr

Acute Care Hospitals · Springfield, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220066
Location271 Carew StreetSpringfield, MA 01104 · Hampden County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01020 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$177.36 typical visit price
range $58.86 – $177.36
Typical copayment $44.34 (range $14.71 – $44.34)
Most-billed visit code 99205
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery
444 MONTGOMERY ST
CHICOPEE, MA 01020
Clinical Medical Laboratory
444 MONTGOMERY ST
CHICOPEE, MA 01020
Psychologist
444 MONTGOMERY ST
CHICOPEE, MA 01020
Physical Medicine & Rehabilitation
444 MONTGOMERY ST
CHICOPEE, MA 01020
Obstetrics & Gynecology
444 MONTGOMERY ST
CHICOPEE, MA 01020
Obstetrics & Gynecology
444 MONTGOMERY ST
CHICOPEE, MA 01020
Physician Assistant
444 MONTGOMERY ST
CHICOPEE, MA 01020
Internal Medicine (Pulmonary Disease)
444 MONTGOMERY ST
CHICOPEE, MA 01020

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Joseph Flack's NPI number?

The NPI number for Joseph Flack is 1629095294. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Joseph Flack located?

Joseph Flack practices at 444 Montgomery St, Chicopee, MA 01020. The listed phone number is (413) 594-3111.

What is Joseph Flack's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Joseph Flack enrolled in Medicare?

Yes. Joseph Flack is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Joseph Flack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Flack reassigns Medicare benefits to 2 organizations: Riverbend Medical Group, Inc. (Springfield, MA) and Trinity Health Of New England Provider Network Organization Inc (Hartford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Flack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joseph Flack accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Joseph Flack as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Joseph Flack affiliated with any hospitals?

According to CMS data, Joseph Flack is affiliated with Mercy Medical Ctr.

When was this NPI record last updated?

The NPPES record for Joseph Flack was last updated on April 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.