Michael Gary Contreras, MD
Anesthesiology Physician · Amarillo, TX
Michael Gary Contreras, MD is an anesthesiology physician with a practice address in Amarillo, Texas, and NPI 1699885889, issued on Aug 30, 2006. Check the license (Texas N4994, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Gary Contreras
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- N4994 TX
036106880 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 S Tyler St Ste 2100, Amarillo, TX 79101
- Phone
- (972) 715-5000
- Enumerated
- Aug 30, 2006
- Record last updated
- Mar 30, 2026
- Fax
- (972) 715-9976
- Medicaid IDs
- 212647601 TX
584727300 IL
2322931 LA - Medicare enrollment
- Enrolled (PECOS I20100616000872); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 4,635 in Texas → Look up another NPI →
Also registered at 600 S Tyler St Ste 2100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Ackerman, MDAnesthesiology Physician1891772869
- Nahason Ayunga, CRNACertified Registered Nurse Anesthetist1629324710
- Edmund Bagingito, MDAnesthesiology Physician1164487641
- Kathleen Bajaj, DOAnesthesiology Physician1538146519
- Viktoria Bartusov, CRNACertified Registered Nurse Anesthetist1801038435
- Leonard Bays, MDAnesthesiology Physician1578548319
Verify Michael Gary Contreras in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N4994Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 93.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Compass Anesthesia Providers, PLLCHumble, TX
- Dynamic Anesthesia Providers, PLLCTomball, TX
- U S Anesthesia Partners OF Texas, PAHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Gary Contreras among 4,635 anesthesiology physician records in Texas
Michael Gary Contreras, MD is one of 4,635 anesthesiology physician records with a practice address in Texas. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 54% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1998 · median 2005 among the 3,293 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Texas
There are 4,635 anesthesiology physician records in Texas.
All 4,635 in Texas → Every provider in Amarillo → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- David Ackerman, MDAmarillo, TX 791011891772869
- Edmund Bagingito, MDAmarillo, TX 791011164487641
- Kathleen Bajaj, DOAmarillo, TX 791011538146519
- Leonard Bays, MDAmarillo, TX 791011578548319
- Conrad Cheung, MDAmarillo, TX 791011831102474
- Prasad Gadiraju, M.D.Amarillo, TX 791011851441331
- Jeffry Harper, M.D.Amarillo, TX 791011235116856
- Grant Hunter, D.O.Amarillo, TX 791011710180500
Common questions
What is Michael Gary Contreras, MD's NPI number?
Michael Gary Contreras, MD's National Provider Identifier (NPI) is 1699885889, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Gary Contreras, MD located?
The NPPES record lists a practice address at 600 S Tyler St Ste 2100, Amarillo, TX, 79101. Phone: (972) 715-5000. Providers update this record themselves, so call before visiting.
How can I verify Michael Gary Contreras, MD's license?
NPPES lists Texas license number N4994, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Michael Gary Contreras, MD's MIPS final score?
The 2023 MIPS final score is 93.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.