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Active NPI 1740609528 Individual Practitioner Male Practitioner

Dr. Gregory W. Ashton , MD

Anesthesiology • San Angelo, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Gregory Ashton, MD is a certified Anesthesiology practicing in San Angelo, TX. With approximately 12 years of clinical experience since graduating from University Of Texas Medical School At San Antonio in 2014, Dr. Ashton delivers high-quality medical care to the local community at 120 E HARRIS AVE.

Dr. Ashton is affiliated with Shannon Clinic and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for lens surgery, anesthesia for procedure on large bowel using an endoscope, anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

120 E Harris Ave

San Angelo, TX 769035904

Telephone 3256536741
Associated Practice Facility / Clinic
🏢 Shannon Medical Center Facility NPI 1992707228

Medicare Profile & Education

Medical School

University Of Texas Medical School At San Antonio

Graduation Year

2014

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in San Angelo, TX

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
12 Yrs -11.8 yrs vs City Avg
City Avg: 23.8 Yrs
State Avg: 24.9 Yrs
Regional Practice Density
31 Specialists

Practicing in San Angelo, TX (4818 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
3.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ashton (12 Years) 12 Yrs
San Angelo Specialty Average (23.8 Years) 23.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
00142 Anesthesia for lens surgery
25 25 $114.92 $105.00
00811 Anesthesia for procedure on large bowel using an endoscope
18 18 $124.44 $120.20
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope
13 13 $131.76 $130.64
00813 Anesthesia for procedure on small and large bowel using an endoscope
12 12 $156.42 $151.06
01810 Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand
11 11 $129.40 $126.06

Medical Specialties & State Licenses

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License MA 259894

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Anesthesiology

NUCC Taxonomy Code: 207L00000X

State License TX R1695

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID License
R1695 (TX)

Hospital & Practice Group Affiliations

Shannon Clinic

120 E Harris Ave, San Angelo, TX 769035904

Phone: 3257476741

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Dr. Shelly Weise , EdD

Physical Therapist

NPI 1063632545

Doctor of Education (Ed.D.)

Dr. Scott Hodge , MD

Emergency Medicine

NPI 1073584066

Doctor of Medicine (M.D.)

NPI 1073920989

Doctor of Osteopathic Medicine (D.O.)

Dr. Paul Borgfeld , MD

Internal Medicine

NPI 1104820976

Doctor of Medicine (M.D.)

Nathan Smith , PA

Physician Assistant

NPI 1104828185

Physician Assistant

Dr. James Slauson , MD

Emergency Medicine - Emergency Medical Services

NPI 1124013560

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events
📍
Updated Practice Location March 29, 2018

Registered at 120 E HARRIS AVE, SAN ANGELO, TX 769035904 (Tel: 3256536741)

📍
Updated Business Mailing Address March 29, 2018

Registered at PO BOX 22000, SAN ANGELO, TX 769027200 (Tel: 3256581511)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 29, 2018

Anesthesiology (License #R1695 in TX)

NPI Profile Active June 11, 2014

NPI status registered as active in NPPES database

📍
Updated Practice Location June 11, 2014

Registered at 55 LAKE AVE NORTH, WORCESTER, MA 01655 (Tel: 5083341000)

📍
Updated Business Mailing Address June 11, 2014

Registered at 55 LAKE AVE NORTH, WORCESTER, MA 01655 (Tel: 5083341000)

👤
Provider Name / Credentials Updated June 11, 2014

Recorded as GREGORY ASHTON, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 11, 2014

Anesthesiology (License #259894 in MA)

🟢
Initial NPI Registration & Enumeration April 09, 2014

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1740609528
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 09, 2014
Last Update: March 29, 2018
Sole Proprietor: No

Mailing Address

Po Box 22000

San Angelo, TX 769027200

Phone: 3256581511

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.