Doctor profile · Federal record

Dr. Gregory Ashton, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · San Angelo, TX

  • NPI 1740609528
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
120 E Harris Ave
San Angelo, TX 769035904
(325) 653-6741
Mailing address
Po Box 22000
San Angelo, TX 769027200

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
March 29, 2018
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Massachusetts #259894 · Texas #R1695

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740609528. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
123
Distinct HCPCS
7
Medicare allowed
$13,800
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 27 27 $114
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 25 24 $125
00142 Anesthesia for lens surgery 18 18 $103
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 15 15 $123
00142 Anesthesia for lens surgery 14 14 $102
00811 Anesthesia for other procedure on large bowel using an endoscope 12 12 $116
00812 Anesthesia for exam of colon using an endoscope 12 12 $90

In context: peer comparison

Among 16 peers in this city , average services per provider: 19. This provider delivers 6.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Ashton's medical specialty?
Dr. Gregory Ashton practices Anesthesiology Physician in San Angelo, TX.
Where does Dr. Gregory Ashton practice?
Dr. Gregory Ashton practices at 120 E Harris Ave, San Angelo, TX 769035904. Office phone: 3256536741.
What is Dr. Gregory Ashton's NPI?
Dr. Gregory Ashton's National Provider Identifier (NPI) is 1740609528, issued by NPPES.
Does Dr. Gregory Ashton accept Medicare assignment?
Yes. Dr. Gregory Ashton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Ashton commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.