Leon P. Mclean, MD

Gastroenterology Internal Medicine

Also practices: INTERNAL MEDICINE

Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across NH can see Leon P. Mclean, MD in person in Derry or via virtual visit — no travel required. Trained at Tufts University School of Medicine (class of 2006), he has been practicing for over 20 years. Among his Medicare patients, common conditions include high cholesterol, hypertension, and arthritis (per CMS data).

1 of 39 Internal Medicine providers in NHSee all Internal Medicine in Derry20+ years experienceNPI since 2007

Older · 3346dNPPES updated 2017-03-08 · verify on CMS

Contact & Location

Practice Location

6 Tsienneto Rd Ste 301, Derry, NH 03038-1584

Fax: (603) 432-8802
CMS Clinical Data

How Does This Doctor Compare?

Generic Rx

↑ Higher = better

79.2%

New Hampshire avg: 83.5 · US avg: 82.8

Lower than most doctors nationally(-3.6 pts)

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

Medicare Patients

476

Unique beneficiaries

Standard volume

Prescription Recipients

138

Patients prescribed

Prescriptions Written

379

Total claims

Total Medicare drug cost: $701k

Percentile rankings compared against 597 reporting peers in New Hampshire.

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 High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

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

Hypertension
Lower than avg (-4%)66%

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

US avg: 70.2%

↓ Fewer patients than average (-4%) — less common here

Arthritis
Lower than avg (-9%)40%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-9%) — less common here

Anxiety Disorders
Lower than avg (-6%)28%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-6%) — less common here

Mood Disorders
27%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Lower than avg (-7%)25%

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

US avg: 31.8%

↓ Fewer patients than average (-7%) — less common here

Diabetes
Lower than avg (-12%)22%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-12%) — less common here

Chronic Kidney Disease
Lower than avg (-8%)22%

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

US avg: 29.6%

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

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Industry Payment Transparency

$23.5k received from industry

60 transactions reported in 2024 ·High tier

View on CMS Open Payments →

Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.

Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Leon P. Mclean's NPI.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2006

    Tufts University School of Medicine

  2. 20 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.

Taxonomy: 207RG0100X

Education & Training

Tufts University School of Medicine (Class of 2006)

Virtual Internal Medicine Care With Leon P. Mclean

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

Schedule a virtual visit with Leon P. Mclean for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Derry 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 Leon P. Mclean

NPI records show Dr. Mclean as active with telehealth listed in Derry, NH. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (603) 432-8802.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · 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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