Joseph Blaise Guarnaccia, M.D.
Neurology Psychiatry & Neurology
Joseph Blaise Guarnaccia is a Neurology Psychiatry & Neurology specialist based in Derby, CT with over 39 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: PSYCHIATRY
Joseph Blaise Guarnaccia, M.D. has practiced psychiatry & neurology for 39+ years, working in independent practice. He graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1987 and has 39+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and mood disorders (per CMS claims data).
At a glance
- Uses generic medications more than 58% of reporting doctors in Connecticut
- Virtual visits available — no app or travel required
Older · 1536dNPPES updated 2022-03-09 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board
Contact & Location
Practice Location
350 Seymour Ave # 1c, Derby, CT 06418-1336
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better88.3%
Connecticut avg: 81.1 · US avg: 82.8
✓ Higher than most doctors nationally(+5.5 pts)
Typical range among reporting doctors in ConnecticutHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
180
Unique beneficiaries
Standard volumePrescription Recipients
373
Patients prescribed
Prescriptions Written
7,558
Total claims
Total Medicare drug cost: $6.06M
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 Hypertension, High Cholesterol, and Mood Disorders.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-16%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-16%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+6%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-12%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+3%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$12.5k received from industry
25 transactions reported in 2024 ·High 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 Joseph Blaise Guarnaccia's NPI.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1987
Des Moines University
Board certified · Mar 8, 2022
Self-reported via NPPES
39 years in practice
Senior practitioner
Neurologists diagnose and treat disorders of the nervous system including stroke, epilepsy, multiple sclerosis, Parkinson's disease, migraines, neuropathy, and dementia.
Taxonomy: 2084N0400X
Education & Training
Des Moines University of Osteopathic Medicine and Health Sciences (Class of 1987)
Mailing address
137 Cold Spring St, New Haven, CT 06511-2205
Differs from practice location
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 450672
View hospital on Medicare Care CompareVirtual Psychiatry & Neurology Care With Joseph Blaise Guarnaccia
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Joseph Blaise Guarnaccia for blood pressure monitoring, cholesterol management, mood disorder follow-ups — no travel to Derby 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 Joseph Blaise Guarnaccia
Dr. Guarnaccia is listed as active in the NPI registry with telehealth listed in Derby, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (203) 732-1290.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
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Contact Joseph Blaise Guarnaccia
Practice Location
350 Seymour Ave # 1c, Derby, CT 06418-1336
Mailing Address
137 Cold Spring St, New Haven, CT 06511-2205
This is a provider directory. Contact the office directly to schedule appointments.
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