Donald Barry Boyd, M.D.
Donald Barry Boyd is a Hematology & Oncology specialist based in Greenwich, CT with over 47 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: HEMATOLOGY, INTERNAL MEDICINE
Donald Barry Boyd, M.D. has been part of the Greenwich medical community since 2006 in independent practice. A Js Weill Medical College, Cornell University graduate since 1979, he brings 47+ years of experience. He regularly sees Medicare patients with high cholesterol, hypertension, and cancer (per CMS claims data). CMS MIPS quality score: 75.22/100 (2023).
At a glance
- Prescribes opioids less than 17% of reporting doctors in Connecticut
- Federal MIPS score higher than 29% of MIPS-scored doctors in Connecticut
- Virtual visits available — no app or travel required
Older · 5947dNPPES updated 2010-02-09 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board
Contact & Location
Practice Location
15 Valley Dr 2nd Floor, Greenwich, CT 06831-5205
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively.
MIPS Score
202375.22/100
Connecticut avg: 84.5 · US avg: 83.6
⚠ Lower than most doctors nationally(-8.4 pts)
How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Opioid Rx
↓ Lower = better4.01%
Connecticut avg: 3.9 · US avg: 5.1
✓ Higher than most doctors nationally(-1.1 pts)
4.01% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Medicare Patients
364
Unique beneficiaries
Standard volumePrescription Recipients
202
Patients prescribed
Prescriptions Written
1,298
Total claims
Total Medicare drug cost: $1.81M
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.
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 Cancer.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+3%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-5%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%↑ More patients than average (+41%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-4%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+9%) — a focus area for this doctor
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
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$170 received from industry
2 transactions reported in 2024 ·Low tier
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 Donald Barry Boyd's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1979
Js Weill Medical College, Cornell University
47 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy: 207RH0003X
Education & Training
Js Weill Medical College, Cornell University (Class of 1979)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 450658
View hospital on Medicare Care CompareVirtual Hematology & Oncology Care With Donald Barry Boyd
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Donald Barry Boyd for cholesterol management, blood pressure monitoring, follow-up consultations — no travel to Greenwich 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 Donald Barry Boyd
NPI records show Dr. Boyd as active with telehealth listed in Greenwich, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (203) 869-2111.
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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Contact Donald Barry Boyd
Practice Location
15 Valley Dr 2nd Floor, Greenwich, CT 06831-5205
Mailing Address
15 Valley Dr 2nd Floor, Greenwich, CT 06831-5205
This is a provider directory. Contact the office directly to schedule appointments.
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