Thomas C Greenough, M.D.

Infectious Disease Internal Medicine

Internal Medicine

Thomas C Greenough is an Infectious Disease Internal Medicine specialist based in Worcester, MA with over 39 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(774) 441-8230Worcester, MA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Thomas C Greenough, M.D. has practiced internal medicine for 39+ years, working in group practice. He graduated from University of Rochester School of Medicine and Dentistry in 1987 and has 39+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data). CMS MIPS quality score: 97.02/100 (2023).

At a glance

  • Federal MIPS score higher than 76% of MIPS-scored doctors in Massachusetts
  • Virtual visits available — no app or travel required
1 of 127 Internal Medicine providers in MASee all Internal Medicine in Worcester39+ years experienceNPI since 2005

Older · 129dNPPES updated 2026-01-15 · verify NPI on CMS · Verify license at Massachusetts Board of Registration in Medicine

Contact & Location

Practice Location

55 Lake Ave N Department of Infectious Disease, Worcester, MA 01655-0002

Fax: (508) 334-3428
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor scores better than 76% of doctors in Massachusetts on federal quality measures.

MIPS Score

2023

97.02/100

Massachusetts avg: 87.4 · US avg: 83.6

Higher than most doctors nationally(+13.4 pts)

Better than 76% of MIPS-scored doctors in Massachusetts

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

Generic Rx

↑ Higher = better

49.5%

Massachusetts avg: 81.9 · US avg: 82.8

Lower than most doctors nationally(-33.3 pts)

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

Medicare Patients

179

Unique beneficiaries

Standard volume

Prescription Recipients

54

Patients prescribed

Prescriptions Written

1,011

Total claims

Total Medicare drug cost: $1.60M

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
Higher than avg (+1%)50%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+1%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+19%)49%

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

US avg: 29.6%

↑ More patients than average (+19%) — a focus area for this doctor

Heart Failure
Higher than avg (+24%)46%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+24%) — a focus area for this doctor

Diabetes
Higher than avg (+11%)45%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+11%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+13%)45%

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

US avg: 31.7%

↑ More patients than average (+13%) — a focus area for this doctor

Mood Disorders
41%

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

$20.2k received from industry

2 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 Thomas C Greenough's NPI.

Patient Reviews

No patient reviews yet. If you've seen Thomas C Greenough, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

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

Career Journey
  1. Graduated medical school · 1987

    University of Rochester School of Medicine and Dentistry

  2. Board certified · Jan 14, 2026

    Self-reported via NPPES

  3. 39 years in practice

    Senior practitioner

Internal MedicineInfectious Disease in WorcesterAllopathic & Osteopathic Physicians

Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.

Taxonomy: 207RI0200X

Education & Training

University of Rochester School of Medicine and Dentistry (Class of 1987)

Practice Footprint

Mailing address

Po Box 415348, Boston, MA 02241-5348

Differs from practice location

Virtual Infectious Disease Care With Thomas C Greenough

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

Schedule a virtual visit with Thomas C Greenough for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Worcester 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 Thomas C Greenough

Dr. Greenough is listed as active in the NPI registry with telehealth listed in Worcester, MA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (774) 441-8230.

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.

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

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.

Related Providers

Infectious Disease Internal Medicine in Massachusetts

See all