Benjamin David Gallagher, MD

Internal Medicine

Benjamin David Gallagher is an Internal Medicine specialist based in New Haven, CT with over 11 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(203) 503-3000New Haven, CT
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Benjamin David Gallagher, MD has been part of the New Haven medical community since 2015 in group practice. He graduated from Columbia University College of Physicians and Surgeons in 2015 and has 11+ years of clinical experience. He regularly sees Medicare patients with hypertension, diabetes, and high cholesterol (per CMS claims data).

At a glance

  • Prescribes opioids less than 22% of reporting doctors in Connecticut
  • Virtual visits available — no app or travel required
1 of 465 Internal Medicine providers in CTSee all Internal Medicine in New Haven11+ years experienceNPI since 2015

Older · 1978dNPPES updated 2020-12-23 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board

Contact & Location

Practice Location

150 Sargent Dr, New Haven, CT 06511-6100

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively.

MIPS Score

2023

73.56/100

Connecticut avg: 84.5 · US avg: 83.6

Lower than most doctors nationally(-10 pts)

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Opioid Rx

↓ Lower = better

2.88%

Connecticut avg: 3.9 · US avg: 5.1

Higher than most doctors nationally(-2.2 pts)

2.88% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

77.5%

Connecticut avg: 81.1 · US avg: 82.8

Lower than most doctors nationally(-5.3 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

32

Unique beneficiaries

Boutique practice

Prescription Recipients

174

Patients prescribed

Prescriptions Written

1,947

Total claims

Total Medicare drug cost: $490k

Percentile rankings compared against 1,825 reporting peers in Connecticut.

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, Diabetes, and High Cholesterol.

Hypertension
Higher than avg (+5%)75%

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

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

Diabetes
Higher than avg (+16%)50%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+16%) — a focus area for this doctor

High Cholesterol
Lower than avg (-29%)41%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-29%) — less common here

Asthma
Higher than avg (+28%)41%

A condition causing airway inflammation, wheezing, and difficulty breathing

US avg: 13.3%

↑ More patients than average (+28%) — a focus area for this doctor

Arthritis
Lower than avg (-8%)41%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-8%) — less common here

Mood Disorders
38%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Higher than avg (+2%)34%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↑ More patients than average (+2%) — a focus area for this doctor

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 · 2015

    Columbia University Vagelos College of Physicians and Surgeons

  2. Board certified · Dec 22, 2020

    Self-reported via NPPES

  3. 11 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

Columbia University College of Physicians and Surgeons (Class of 2015)

Practice Footprint

Mailing address

400 Columbus Ave Credentialing Specialist, New Haven, CT 06519-1233

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 450672

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Benjamin David Gallagher

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

Schedule a virtual visit with Benjamin David Gallagher for blood pressure monitoring, diabetes check-ins, cholesterol management — no travel to New Haven 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 Benjamin David Gallagher

Dr. Gallagher is listed as active in the NPI registry with telehealth listed in New Haven, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (203) 503-3000.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · 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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