Clay A. Block, M.D.
Clay A. Block is a Nephrology Internal Medicine specialist based in Lebanon, NH with over 37 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Clay a. Block, M.D. has been part of the Lebanon medical community since 2006 in group practice. A University of California, San Francisco School of Medicine graduate since 1989, he brings 37+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and kidney disease.
At a glance
- Uses generic medications more than 82% of reporting doctors in New Hampshire
- Virtual visits available — no app or travel required
Older · 5441dNPPES updated 2011-06-30 · verify NPI on CMS · Verify license at New Hampshire Board of Medicine
Contact & Location
Practice Location
1 Medical Center Dr, Lebanon, NH 03756-1000
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Generic Rx
↑ Higher = better93.3%
New Hampshire avg: 83.5 · US avg: 82.8
✓ Higher than most doctors nationally(+10.5 pts)
Better than 82% of reporting doctors in New HampshireHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
320
Unique beneficiaries
Standard volumePrescription Recipients
70
Patients prescribed
Prescriptions Written
300
Total claims
Total Medicare drug cost: $18k
Percentile rankings compared against 597 reporting peers in New Hampshire.
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 Chronic Kidney Disease.
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
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+45%) — 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 (+16%) — 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 (+15%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↓ Fewer patients than average (-2%) — less common here
The heart cannot pump blood efficiently enough to meet the body's needs
US avg: 22.5%↑ More patients than average (+23%) — a focus area for this doctor
An irregular, often rapid heartbeat that increases the risk of stroke
US avg: 22%↑ More patients than average (+14%) — 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 · 1989
University of California, San Francisco School of Medicine
37 years in practice
Senior practitioner
Nephrologists treat kidney diseases including chronic kidney disease, kidney failure requiring dialysis, glomerulonephritis, kidney stones, and electrolyte disorders. They manage dialysis access and kidney transplant follow-up.
Taxonomy: 207RN0300X
Education & Training
University of California, San Francisco School of Medicine (Class of 1989)
Virtual Internal Medicine Care With Clay a. Block
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Clay a. Block for blood pressure monitoring, cholesterol management, kidney care follow-ups — no travel to Lebanon 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 Clay a. Block
NPI records show Dr. Block as active with telehealth listed in Lebanon, NH. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (603) 653-3830.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.
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Contact Clay a. Block
Practice Location
1 Medical Center Dr, Lebanon, NH 03756-1000
Mailing Address
1 Medical Center Dr, Lebanon, NH 03756-1000
This is a provider directory. Contact the office directly to schedule appointments.
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