Erin O'Hara, M.D.
Erin O'Hara, M.D. specializes in internal medicine, serving patients in Gardner, MA in group practice. She graduated from University of Massachusetts Medical School in 2007 and has 19+ years of clinical experience. Among her Medicare patients, common conditions include high cholesterol, hypertension, and mood disorders (per CMS data).
At a glance
- Uses generic medications more than 39% of reporting doctors in Massachusetts
- Virtual visits available — no app or travel required
Older · 3621dNPPES updated 2016-06-07 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine
Contact & Location
Practice Location
266 Main St, Gardner, MA 01440-2927
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Mood Disorders.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-3%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-9%) — less common here
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+2%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+1%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-5%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2007
University of Massachusetts Medical School
19 years in practice
Experienced
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Taxonomy: 207R00000X
Education & Training
University of Massachusetts Medical School (Class of 2007)
Mailing address
Po Box 415348, Boston, MA 02241-5348
Differs from practice location
Virtual Internal Medicine Care With Erin O'Hara
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Erin O'Hara for cholesterol management, blood pressure monitoring, mood disorder follow-ups — no travel to Gardner required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Erin O'Hara
Dr. O'Hara is listed as active in the NPI registry with telehealth listed in Gardner, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (978) 630-5030.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Erin O'Hara
Practice Location
266 Main St, Gardner, MA 01440-2927
Mailing Address
Po Box 415348, Boston, MA 02241-5348
This is a provider directory. Contact the office directly to schedule appointments.
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