Erin Flanagin, M.D.

Internal Medicine

Erin Flanagin is an Internal Medicine specialist based in Boston, MA with over 10 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(617) 636-5000Boston, MA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Erin Flanagin, M.D. has been part of the Boston medical community since 2016 in group practice. He graduated from Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University in 2016 and has 10+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and kidney disease (per CMS claims data).

1 of 1,755 Internal Medicine providers in MASee all Internal Medicine in Boston10+ years experienceNPI since 2016

Older · 3507dNPPES updated 2016-10-18 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine

Contact & Location

Practice Location

800 Washington St, Boston, MA 02111-1552

CMS Clinical Data

How Does This Doctor Compare?

Medicare Patients

45

Unique beneficiaries

Boutique practice

Prescription Recipients

30

Patients prescribed

Prescriptions Written

42

Total claims

Total Medicare drug cost: $12k

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

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 Hypertension, High Cholesterol, and Chronic Kidney Disease.

Hypertension
75%

High blood pressure — a leading risk factor for heart disease and stroke

High Cholesterol
75%

Elevated cholesterol or triglycerides that increase heart disease risk

Chronic Kidney Disease
75%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

Diabetes
60%

A condition where the body cannot properly regulate blood sugar levels

Anxiety Disorders
40%

Excessive worry or fear that interferes with daily life

Ischemic Heart Disease
38%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

Arthritis
38%

Joint inflammation causing pain, swelling, and stiffness

Atrial Fibrillation
33%

An irregular, often rapid heartbeat that increases the risk of stroke

GeneralBehavioralNational avg

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.

Career Journey
  1. Graduated medical school · 2016

    Case Western Reserve University School of Medicine

  2. 10 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

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

Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (Class of 2016)

Virtual Internal Medicine Care With Erin Flanagin

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Erin Flanagin for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Boston required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Erin Flanagin

Dr. Flanagin is listed as active in the NPI registry with telehealth listed in Boston, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (617) 636-5000.

Verified across 4 federal data sources

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.

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