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MICHAEL GARY CONTRERAS MD
NPI 1699885889
Anesthesiology in Amarillo, TX

Active since August 30, 2006PECOS EnrolledAccepts Medicare Assignment
93.5/100
CMS Quality Rating
600 S TYLER ST STE 2100, AMARILLO, TX 79101(972) 715-5000(972) 715-9976 Get Directions Write a Review

NPPES record last updated: March 30, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 30, 2026, Apr 23, 2020, Feb 23, 2017 (3 updates tracked since 2017).

About Michael Gary Contreras Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL GARY CONTRERAS MD (NPI 1699885889) is an individual anesthesiology provider in Amarillo, Texas, licensed in Texas (N4994) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1699885889
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMICHAEL GARY CONTRERASCredential: MD
Location Address600 S TYLER ST STE 2100Amarillo, TX 79101-2304
Mailing AddressPo Box 840853Dallas, TX 75284-0865 · (972) 715-5000 · Fax (972) 715-9967
Phone(972) 715-5000
Fax(972) 715-9976
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateAugust 30, 2006
Last NPPES UpdateMarch 30, 20263 updates tracked since enumeration
NPPES CertifiedMarch 30, 2026
✔ NPI 1699885889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in TX · N4994✔ Licensed in IL · 036106880
Definition
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.
600 S TYLER ST STE 2100, Amarillo, TX 79101
Open in Google Maps ↗

Other Identifiers 5

Medicaid212647601TX
Medicaid584727300IL
Medicaid2322931LA
Other8CH198TX · Blue Cross Blue Shield
OtherP00834481TX · Rr Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Michael Gary Contreras Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628161734
PECOS Enrollment IDI20100616000872
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
50 services48 patients
Ultrasonic guidance for needle placement 76942
Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.
23 services23 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
19 services19 patients
Other procedure on nervous system 64999
A procedure on the nervous system can involve various techniques to diagnose or treat conditions affecting your brain, spinal cord, or nerves. These can include surgeries, tests, or therapies. It's done by specialized doctors to help improve your neurological health.
19 services17 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
16 services16 patients
Anesthesia for extensive surgery on spine 00670
Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Surgery Specialty Hospitals Of America SE Houston

Acute Care Hospitals · Pasadena, TX
OwnershipProprietary
CMS Certification Number450831
Location4301 B VistaPasadena, TX 77504 · Harris County
Emergency services

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670077
Location18500 Katy FreewayHouston, TX 77094 · Harris County
Emergency services Birthing friendly

Townsen Memorial Hospital

Acute Care Hospitals · Humble, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number670266
Location1475 Fm 1960 Bypass EHumble, TX 77338 · Harris County

East Houston Medical Center

Acute Care Hospitals · Houston, TX
OwnershipProprietary
CMS Certification Number670320
Location15149 Wallisville RoadHouston, TX 77049 · Harris County
Emergency services

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.15
Improvement Activities40
Cost83.57

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NICHOLAS ALLEN DUFRENE CRNA
Nurse Anesthetist, Certified Registered
600 S TYLER ST STE 2100
AMARILLO, TX 79101
Potter County (972) 715-5000
DR. EDMUND MARTIN BAGINGITO MD
Anesthesiology
600 S TYLER ST STE 2100
AMARILLO, TX 79101
Potter County (972) 715-5000
DR. ADAM J HENBY DC
Chiropractor
600 S TYLER ST STE 2100
AMARILLO, TX 79101
Potter County (800) 404-6050
DR. JEFFRY CRAIG HARPER M.D.
Anesthesiology
600 S TYLER ST STE 2100
AMARILLO, TX 79101
Potter County (972) 715-5000
THOMAS CARPER
Nurse Anesthetist, Certified Registered
600 S TYLER ST STE 2100
AMARILLO, TX 79101
Potter County (972) 715-5000
NICOLE R SPEER CRNA
Nurse Anesthetist, Certified Registered
600 S TYLER ST STE 2100
AMARILLO, TX 79101
Potter County (972) 715-5000
THERAPEUTIC HANDS OF TX LLC
Massage Therapist
600 S TYLER ST STE 2100
AMARILLO, TX 79101
Potter County (806) 810-6689
DR. KATHLEEN T. BAJAJ DO
Anesthesiology
600 S TYLER ST STE 2100
AMARILLO, TX 79101
Potter County (972) 715-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Contreras's NPI number?

The NPI number for Michael Contreras is 1699885889. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Michael Contreras located?

Michael Contreras practices at 600 S Tyler St Ste 2100, Amarillo, TX 79101. The listed phone number is (972) 715-5000.

What is Michael Contreras's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Michael Contreras enrolled in Medicare?

Yes. Michael Contreras is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Michael Contreras accept?

Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Michael Contreras as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Contreras affiliated with any hospitals?

According to CMS data, Michael Contreras is affiliated with Houston Methodist Hospital, Surgery Specialty Hospitals Of America SE Houston, Houston Methodist West Hospital, Townsen Memorial Hospital and East Houston Medical Center.

When was this NPI record last updated?

The NPPES record for Michael Contreras was last updated on March 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.