Sandra A. Block, M.D.
Sleep Medicine Psychiatry & Neurology
Sandra A. Block is a Sleep Medicine Psychiatry & Neurology specialist based in Williamsville, NY with over 29 years of clinical experience. Offers virtual telehealth visits.
Sandra a. Block, M.D. has practiced psychiatry & neurology for 29+ years, working in group practice. She graduated from State University of New York at Buffalo School of Medicine in 1997 and has 29+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
At a glance
- Uses generic medications more than 31% of reporting doctors in New York
- Virtual visits available — no app or travel required
Older · 135dNPPES updated 2026-01-09 · verify NPI on CMS · Verify license at New York State Board for Medicine
Contact & Location
Practice Location
325 Essjay Rd Suite 210, Williamsville, NY 14221-8243
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.
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
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+24%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↑ More patients than average (+9%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
Excessive worry or fear that interferes with daily life
US avg: 34.1%↑ More patients than average (+5%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+4%) — a focus area for this doctor
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%↑ More patients than average (+5%) — a focus area for this doctor
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1997
State University of New York at Buffalo School of Medicine
Board certified · Jan 8, 2026
Self-reported via NPPES
29 years in practice
Experienced
A Psychiatrist or Neurologist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.
Taxonomy: 2084S0012X
Education & Training
State University of New York at Buffalo School of Medicine (Class of 1997)
Mailing address
425 Essjay Rd Ste 170, Williamsville, NY 14221-8235
Differs from practice location
Virtual Sleep Medicine Care With Sandra a. Block
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Sandra a. Block for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Williamsville required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about Sandra a. Block
Dr. Block is listed as active in the NPI registry with telehealth listed in Williamsville, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (716) 630-1122.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Sandra a. Block
Practice Location
325 Essjay Rd Suite 210, Williamsville, NY 14221-8243
Mailing Address
425 Essjay Rd Ste 170, Williamsville, NY 14221-8235
This is a provider directory. Contact the office directly to schedule appointments.
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