Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Joseph Hannan, MD

Individual provider Interventional Cardiology Physician · NPI 1275513822

Joseph Hannan, MD is a Cardiovascular Disease (Cardiology) in Worcester, Massachusetts. Graduated from State University of New York Downstate Medical Center in 1988, 38 years ago. Practices with Reliant Medical Group Inc, a 638-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
38
Trained at
State University of New York Downstate Medical Center
Licensed in
MA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

123 Summer St Ste 290N
Worcester, MA 01608-1216
Phone: (508) 368-3130
Fax: (508) 368-3167
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 205941 (MA)

Record details

NPI number1275513822
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 19, 2006
Last updated in NPPESMay 22, 2024
Certification dateMay 22, 2024
Mailing address123 Summer St Ste 290n, Worcester, MA 01608-1216

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolSTATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduated 1988 (38 years in practice)
Group practice Reliant Medical Group Inc — 638 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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