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

Erin O'Hara, MD

Individual provider Internal Medicine Physician · NPI 1942407077

Erin O'Hara, MD is an Internal Medicine in Gardner, Massachusetts. Graduated from University of Massachusetts Medical School in 2007, 19 years ago. Practices with Heywood Medical Group Inc, a 106-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
19
Trained at
University of Massachusetts Medical School
Licensed in
MA
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

266 Main St
Gardner, MA 01440-2927
Phone: (978) 630-5030
Fax: (978) 630-5033
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 239461 (MA)
Pediatrics Physician Taxonomy 208000000X · Licence 239461 (MA)

Record details

NPI number1942407077
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 2, 2007
Last updated in NPPESJune 7, 2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 2007 (19 years in practice)
Group practice Heywood Medical Group Inc. — 106 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Gardner