Doctor profile · Federal record

Dr. Dean Chassay, MD

Anesthesiology Physician (CMS: Anesthesiology) · Pain Medicine (Anesthesiology) Physician · Guntersville, AL

  • NPI 1629030648
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8000 Al Highway 69, Marshall Medical Center North
Guntersville, AL 359767140
(256) 571-8000
Mailing address
Po Box 1547
Sedalia, MO 653021547

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 20, 2011
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Alabama #24930
Medicaid
AL #009937733

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629030648. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
427
Distinct HCPCS
10
Medicare allowed
$33,447
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 80 67 $69
00812 Anesthesia for exam of colon using an endoscope 48 48 $56
00811 Anesthesia for other procedure on large bowel using an endoscope 36 36 $68
00142 Anesthesia for lens surgery 34 25 $58
01916 Anesthesia for x-ray exam of arteries and veins using contrast 31 26 $110
00790 Anesthesia for other procedure on upper abdomen 29 28 $116
01938 Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 27 24 $49
00400 Anesthesia for other procedure on skin of arms, legs, and front body 25 23 $65
00910 Anesthesia for other procedure on urinary system through urethra 21 21 $61
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 17 17 $66

In context: peer comparison

Among 1 peers in Guntersville Anesthesiology Physician, average services per provider: 26. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$37
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Pacira Pharmaceuticals Incorporated 1 $21.46
Merck Sharp & Dohme LLC 1 $15.73

By nature of payment

Food and Beverage
$37

Frequently asked questions

Auto-generated from federal data
What is Dr. Dean Chassay's medical specialty?
Dr. Dean Chassay practices Anesthesiology Physician in Guntersville, AL.
Where does Dr. Dean Chassay practice?
Dr. Dean Chassay practices at 8000 Al Highway 69, Guntersville, AL 359767140. Office phone: 2565718000.
What is Dr. Dean Chassay's NPI?
Dr. Dean Chassay's National Provider Identifier (NPI) is 1629030648, issued by NPPES.
Does Dr. Dean Chassay accept Medicare assignment?
Yes. Dr. Dean Chassay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dean Chassay commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.