Doctor profile · Federal record

Dr. Glenn McAskill, MD

Critical Care Medicine (Anesthesiology) Physician (CMS: Anesthesiology) · Anesthesiology Physician · Pain Medicine (Anesthesiology) Physician · Marshall, TX

  • NPI 1639162712
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
811 S Washington Ave
Marshall, TX 756705336
(903) 927-6770
fax (903) 927-6377
Mailing address
Po Box 1315
Marshall, TX 756711315

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
September 11, 2025
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207LC0200X — NUCC code
State license (1)
Texas #J4334

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639162712. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
2
Medicare allowed
$21,331
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 116 82 $154
00103 Anesthesia for procedure on eyelid 14 14 $244

In context: peer comparison

Among 1 peers in Marshall Critical Care Medicine (Anesthesiology) Physician, average services per provider: 65. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Glenn McAskill's medical specialty?
Dr. Glenn McAskill practices Critical Care Medicine (Anesthesiology) Physician in Marshall, TX.
Where does Dr. Glenn McAskill practice?
Dr. Glenn McAskill practices at 811 S Washington Ave, Marshall, TX 756705336. Office phone: 9039276770.
What is Dr. Glenn McAskill's NPI?
Dr. Glenn McAskill's National Provider Identifier (NPI) is 1639162712, issued by NPPES.
Does Dr. Glenn McAskill accept Medicare assignment?
Yes. Dr. Glenn McAskill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Glenn McAskill commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for procedure on eyelid (HCPCS 00103). Source: CMS Medicare Physician & Other Practitioners file.