Mark Robert Gillis, MD
Anesthesiology Physician · Layton, UT
Mark Robert Gillis, MD is an anesthesiology physician with a practice address in Layton, Utah, and NPI 1154390177, issued on Mar 14, 2006. Check the license (Utah 50872591205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Mark Robert Gillis
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 50872591205 UT
MD176903 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1600 W Antelope Dr, Layton, UT 84041
- Phone
- (801) 807-1000
- Enumerated
- Mar 14, 2006
- Record last updated
- Jun 23, 2023
- Medicaid ID
- D4357 UT
- Medicare enrollment
- Enrolled (PECOS I20161014001375); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 670 in Utah → Look up another NPI →
Also registered at 1600 W Antelope Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abdulelah Abu Qare, MDInternal Medicine Physician1134187636
- Jitendra Adepu, MDInternal Medicine Physician1821227109
- Nicholas Bigler, DOAnesthesiology Physician1578053724
- Juneyoung Chavez, M.D.Neurological Surgery Physician1376778639
- Arthur Davenport, MDEmergency Medicine Physician1023079936
- Carissa Ellsworth, PHYSICIAN ASSISTANTMedical Physician Assistant1831458744
Verify Mark Robert Gillis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 50872591205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Anesthesia Associates Northwest LLCPortland, OR
- Bay Area Hospital DistrictCoos Bay, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Robert Gillis among 670 anesthesiology physician records in Utah
Mark Robert Gillis, MD is one of 670 anesthesiology physician records with a practice address in Utah. 74% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1989 · median 2008 among the 452 with a school on file
- Record last updated2023 · 60% 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 Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Utah
There are 670 anesthesiology physician records in Utah.
All 670 in Utah → Every provider in Layton → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Nicholas Bigler, DOLayton, UT 840411578053724
- Nathan Eshenroder, MDLayton, UT 840411174937296
- Brian Hales, M.D.Layton, UT 840411053396770
- Nathan Hess, D.O.Layton, UT 840411184751026
- Bryan Holbrook, M.D.Layton, UT 840411427034081
- Damien Knudson, MDLayton, UT 840411770070997
- Matthew Kress, MDLayton, UT 840411508355660
- Clark Petersen, M.D.Layton, UT 840411275519894
Common questions
What is Mark Robert Gillis, MD's NPI number?
Mark Robert Gillis, MD's National Provider Identifier (NPI) is 1154390177, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Robert Gillis, MD located?
The NPPES record lists a practice address at 1600 W Antelope Dr, Layton, UT, 84041. Phone: (801) 807-1000. Providers update this record themselves, so call before visiting.
How can I verify Mark Robert Gillis, MD's license?
NPPES lists Utah license number 50872591205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.