Doctor profile · Federal record

Dr. Sandra Block, M.D.

Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Sleep Medicine) · Neurology Physician · Williamsville, NY

  • NPI 1205806627
  • Accepts Medicare
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
325 Essjay RD, Suite 210
Williamsville, NY 142218243
(716) 630-1122
fax (716) 250-5924
Additional location
400 N Ashley Drive
Tampa, FL 336024300
(484) 351-8459
Mailing address
425 Essjay RD Ste 170
Williamsville, NY 142218235

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
January 9, 2026
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
2084S0012X — NUCC code
State license (1)
New York #216425

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205806627. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,631
Distinct HCPCS
10
Medicare allowed
$129,320
HCPCS Description Services Patients Avg allowed
95938 Placement of skin electrodes and measurement of stimulated sites on arms and legs 341 337 $43
G0453 Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) 281 54 $31
95939 Placement of skin electrodes and measurement of central motor stimulation in arms and legs 203 201 $112
95955 Measurement of brain wave activity (eeg) outside the brain during surgery 201 199 $51
95861 Needle measurement of electrical activity in arm or leg muscles, 2 extremities 111 109 $77
95870 Needle measurement of electrical activity in arm, leg, trunk or head muscles, limited study 111 58 $19
95806 Sleep study including heart rate, breathing, airflow, and effort 72 72 $89
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 70 38 $43
95885 Needle measurement of electrical activity in arm or leg muscles, limited study 48 24 $17
95810 Sleep study in sleep lab (6 years or older) 37 36 $589

In context: peer comparison

Among 2 peers in Williamsville Sleep Medicine (Psychiatry & Neurology) Physician, average services per provider: 124. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$288
Transactions
11
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Inspire Medical Systems, INC. 2 $109.60
Harmony Biosciences LLC 4 $91.55
Avadel CNS Pharmaceuticals, LLC 3 $47.86
Fisher & Paykel Healthcare INC 1 $25.69
Ge Healthcare 1 $13.16

By nature of payment

Food and Beverage
$288

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
124
Patients
11
Total drug cost
$23,443
Drug Type Claims Patients Total cost
Gabapentin Generic 39 11 $395
Doxepin Hcl Generic 26 0 $2,747
Ropinirole Hcl Generic 22 0 $769
Pramipexole Dihydrochloride (Pramipexole di-Hcl) Brand 14 0 $245
Horizant (Gabapentin Enacarbil) Brand 12 0 $10,599
Neupro (Rotigotine) Brand 11 0 $8,688

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandra Block's medical specialty?
Dr. Sandra Block practices Sleep Medicine (Psychiatry & Neurology) Physician in Williamsville, NY.
Where does Dr. Sandra Block practice?
Dr. Sandra Block practices at 325 Essjay RD, Williamsville, NY 142218243. Office phone: 7166301122.
What is Dr. Sandra Block's NPI?
Dr. Sandra Block's National Provider Identifier (NPI) is 1205806627, issued by NPPES.
Does Dr. Sandra Block accept Medicare assignment?
Yes. Dr. Sandra Block accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandra Block commonly perform?
Top Medicare-reported procedures in 2023: Placement of skin electrodes and measurement of stimulated sites on arms and legs (HCPCS 95938); Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (HCPCS G0453); Placement of skin electrodes and measurement of central motor stimulation in arms and legs (HCPCS 95939). Source: CMS Medicare Physician & Other Practitioners file.