William Nicholas Fenney, MD

Internal Medicine

William Nicholas Fenney is an Internal Medicine specialist based in Hyannis, MA with over 47 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(508) 778-6363Hyannis, MA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

William Nicholas Fenney, MD practices as part of a group internist practice in Hyannis, MA. A New York Medical College graduate since 1979, he brings 47+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data). CMS MIPS quality score: 81.42/100 (2023).

At a glance

  • Prescribes opioids less than 39% of reporting doctors in Massachusetts
  • Uses generic medications more than 76% of reporting doctors in Massachusetts
  • Federal MIPS score higher than 21% of MIPS-scored doctors in Massachusetts
  • Virtual visits available — no app or travel required
1 of 1,755 Internal Medicine providers in MASee all Internal Medicine in Hyannis47+ years experienceNPI since 2006

Older · 6815dNPPES updated 2007-09-25 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine

Contact & Location

Practice Location

35 Cedar St, Hyannis, MA 02601-3009

Fax: (508) 778-6677
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.

MIPS Score

2023

81.42/100

Massachusetts avg: 87.4 · US avg: 83.6

Lower than most doctors nationally(-2.2 pts)

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

Opioid Rx

↓ Lower = better

1.5%

Massachusetts avg: 4 · US avg: 5.1

Higher than most doctors nationally(-3.6 pts)

1.5% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Generic Rx

↑ Higher = better

91.9%

Massachusetts avg: 81.9 · US avg: 82.8

Higher than most doctors nationally(+9.1 pts)

Better than 76% of reporting doctors in Massachusetts

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

Medicare Patients

247

Unique beneficiaries

Standard volume

Prescription Recipients

287

Patients prescribed

Prescriptions Written

4,331

Total claims

Total Medicare drug cost: $349k

Percentile rankings compared against 1,606 reporting peers in Massachusetts.

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 Arthritis.

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

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

Arthritis
Lower than avg (-1%)48%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-1%) — less common here

Ischemic Heart Disease
Lower than avg (-8%)24%

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

US avg: 31.7%

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

Mood Disorders
22%

Conditions affecting emotional state, including depression and bipolar disorder

GeneralBehavioralNational avg

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

Industry Payment Transparency

$2.2k received from industry

10 transactions reported in 2024 ·Moderate 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 William Nicholas Fenney's NPI.

Patient Reviews

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Background & Specialty

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

Career Journey
  1. Graduated medical school · 1979

    New York Medical College

  2. 47 years in practice

    Senior practitioner

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

New York Medical College (Class of 1979)

Virtual Internal Medicine Care With William Nicholas Fenney

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

Schedule a virtual visit with William Nicholas Fenney for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Hyannis 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 William Nicholas Fenney

NPI records show Dr. Fenney as active with telehealth listed in Hyannis, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (508) 778-6363.

Verified across 6 federal data sources

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