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

Hariharan Subramanian, MD

Individual provider Internal Medicine Physician · NPI 1801080080

Hariharan Subramanian, MD is a Cardiovascular Disease (Cardiology) in Holyoke, Massachusetts. Qualified in 2000, 26 years ago. Practices with Holyoke Medical Center Inc, a 201-clinician group and accepts Medicare assignment. Licensed in Massachusetts and Pennsylvania.

Years since qualifying
26
Licensed in
MA, PA
In the registry since
2007
Specialties on file
2
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

575 Beech St 1st Fl
Holyoke, MA 01040-2223
Phone: (413) 534-2870
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 260980 (MA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD432082 (PA)

Record details

NPI number1801080080
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2007
Last updated in NPPESFebruary 19, 2016
Mailing address575 Beech St, 1st Floor, Holyoke, MA 01040-2223

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Holyoke Medical Center Inc — 201 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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