Doctor profile · Federal record

Dr. Clay Block, M.D.

Nephrology Physician (CMS: Nephrology) · Lebanon, NH

  • NPI 1962593608
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Medical Center Dr
Lebanon, NH 037561000
(603) 653-3830
fax (603) 653-3991

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
June 30, 2011
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
New Hampshire #10853
Medicaid (2)
NH #30200810 · VT #0RE5704

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962593608. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
919
Distinct HCPCS
10
Medicare allowed
$86,390
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 278 122 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 192 118 $98
90935 Hemodialysis procedure with physician evaluation 124 58 $71
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 69 49 $116
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 53 50 $129
90945 Dialysis procedure including 1 evaluation 49 23 $86
90937 Hemodialysis procedure requiring repeated evaluation 43 30 $102
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 32 22 $48
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $175
99204 New patient office or other outpatient visit, 45-59 minutes 22 22 $130

In context: peer comparison

Among 4 peers in Lebanon Nephrology Physician, average services per provider: 80. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
185
Patients
42
Total drug cost
$3,420
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 51 15 $760
Calcitriol Generic 33 12 $340
Furosemide Generic 32 15 $425
Losartan Potassium Generic 25 0 $267
Allopurinol Generic 18 0 $365
Torsemide Generic 15 0 $981
Isosorbide Mononitrate ER (Isosorbide Mononitrate) Brand 11 0 $283

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clay Block's medical specialty?
Dr. Clay Block practices Nephrology Physician in Lebanon, NH.
Where does Dr. Clay Block practice?
Dr. Clay Block practices at 1 Medical Center Dr, Lebanon, NH 037561000. Office phone: 6036533830.
What is Dr. Clay Block's NPI?
Dr. Clay Block's National Provider Identifier (NPI) is 1962593608, issued by NPPES.
Does Dr. Clay Block accept Medicare assignment?
Yes. Dr. Clay Block accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clay Block commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Hemodialysis procedure with physician evaluation (HCPCS 90935). Source: CMS Medicare Physician & Other Practitioners file.