Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1699885889 Individual Practitioner Male Practitioner

Dr. Michael Gary Contreras , MD

Anesthesiology • Amarillo, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Contreras, MD is a certified Anesthesiology practicing in Amarillo, TX. With approximately 28 years of clinical experience since completing medical education in 1998, Dr. Contreras delivers high-quality medical care to the local community at 600 S TYLER ST STE 2100.

Dr. Contreras maintains professional affiliations with Dynamic Anesthesia Providers, Pllc, Compass Anesthesia Providers, Pllc, U S Anesthesia Partners Of Texas, Pa and accepts Medicare assignment.

Frequently performed procedures and clinical services include anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope, ultrasonic guidance imaging supervision and interpretation for insertion of needle, anesthesia for procedure on large 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

600 S Tyler St Ste 2100

Amarillo, TX 791012304

Telephone 9727155000
Fax 9727159976
Associated Practice Facility / Clinic
🏢 Therapeutic Hands Of Tx Llc Facility NPI 1447048566

Medicare Profile & Education

Medical School

Other

Graduation Year

1998

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Anesthesiology in Amarillo, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
28 Yrs +0.1 yrs vs City Avg
City Avg: 27.9 Yrs
State Avg: 24.9 Yrs
Regional Practice Density
32 Specialists

Practicing in Amarillo, TX (4818 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
93.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Contreras (28 Years) 28 Yrs
Amarillo Specialty Average (27.9 Years) 27.9 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
00731 Anesthesia for procedure on esophagus, stomach, and/or upper small bowel using an endoscope
50 48 $1918.35 $126.03
76942 Ultrasonic guidance imaging supervision and interpretation for insertion of needle
23 23 $1067.00 $28.24
00811 Anesthesia for procedure on large bowel using an endoscope
19 19 $1593.47 $103.94
64999 Other procedure on nervous system
19 17 $1013.21 $49.68
00813 Anesthesia for procedure on small and large bowel using an endoscope
16 16 $2242.97 $153.77
36620 Insertion of artery tube for blood sampling or infusion through skin
12 12 $714.00 $43.63
00670 Anesthesia for procedure on spine and spinal cord
12 12 $6568.50 $445.15

Medical Specialties & State Licenses

CMS Verified: 2026-03-30
Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

State License TX N4994

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 IL 036106880

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

Medicaid State Provider ID
212647601 (TX)
Medicaid State Provider ID
584727300 (IL)
Medicaid State Provider ID
2322931 (LA)
Commercial Insurance / Payer ID Blue Cross Blue Shield
8CH198 (TX)
Commercial Insurance / Payer ID Rr Medicare
P00834481 (TX)

Hospital & Practice Group Affiliations

Dynamic Anesthesia Providers, Pllc

25450 Kuykendahl Rd, Tomball, TX 773753437

Phone: 8887857310

Compass Anesthesia Providers, Pllc

1475 Fm 1960 Bypass Rd E, Humble, TX 773383909

Phone: 2813699001

U S Anesthesia Partners Of Texas, Pa

6565 Fannin St, Houston, TX 770302703

Phone: 7136204000

Secondary Practice Locations

2727 W Holcombe Blvd

Houston, TX 770251669

Phone: 7134420000

Practice Associates & Co-Workers

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

40 Associated Practitioners
Charity Magcalas , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003002205

Certified Registered Nurse Anesthetist

NPI 1003083395

Doctor of Medicine (M.D.)

Jennie Potts , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003110560

Certified Registered Nurse Anesthetist

Dr. Elvis Tsang , MD

Anesthesiology

NPI 1003135914

Doctor of Medicine (M.D.)

NPI 1003144627

Doctor of Medicine (M.D.)

Pedro Napoles , CRNA

Nurse Anesthetist, Certified Registered

NPI 1003212283

Certified Registered Nurse Anesthetist

Career & Practice History Timeline

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

14 Historical Events
📍
Updated Practice Location April 23, 2020

Registered at 600 S TYLER ST STE 2100, AMARILLO, TX 791012304 (Tel: 9727155000)

📍
Updated Business Mailing Address April 23, 2020

Registered at PO BOX 840853, DALLAS, TX 752840865 (Tel: 9727155000)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 23, 2020

Anesthesiology (License #036106880 in IL)

NPI Profile Active February 23, 2017

NPI status registered as active in NPPES database

📍
Updated Practice Location February 23, 2017

Registered at 1500 CITYWEST BLVD, STE. 300, HOUSTON, TX 770422300 (Tel: 7136204000)

📍
Updated Business Mailing Address February 23, 2017

Registered at PO BOX 650865, DALLAS, TX 752650865 (Tel: 9722331999)

👤
Provider Name / Credentials Updated February 23, 2017

Recorded as MICHAEL CONTRERAS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 23, 2017

Anesthesiology (License #N4994 in TX)

NPI Profile Active February 20, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location February 20, 2013

Registered at 2411 FOUNTAIN VIEW DR, STE. 200, HOUSTON, TX 770574817 (Tel: 7136204000)

📍
Updated Business Mailing Address February 20, 2013

Registered at 2411 FOUNTAIN VIEW DR, STE. 200, HOUSTON, TX 770574817 (Tel: 7136204000)

👤
Provider Name / Credentials Updated February 20, 2013

Recorded as MICHAEL CONTRERAS, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 20, 2013

Anesthesiology (License #N4994 in TX)

🟢
Initial NPI Registration & Enumeration August 30, 2006

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: 1699885889
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 30, 2006
Last Update: March 30, 2026
Sole Proprietor: No

Mailing Address

Po Box 840853

Dallas, TX 752840865

Phone: 9727155000

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.