Loyal G. Tillotson, MD, PHD
Gastroenterology Physician · Tucson, AZ
Loyal G. Tillotson, MD, PHD is a gastroenterology physician with a practice address in Tucson, Arizona, and NPI 1043256936, issued on Jun 21, 2006. Check the license (Arizona 60656, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Loyal G. Tillotson
- Credential
- MD, PHD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 60656 AZ
4783 SD
Self-reported in NPPES; status is on the state search - Practice location
- 1501 N Campbell Ave, Tucson, AZ 85724
- Phone
- (520) 694-8888
- Enumerated
- Jun 21, 2006
- Record last updated
- Jan 23, 2023
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
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Verify Loyal G. Tillotson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 60656Check 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 MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Loyal G. Tillotson among 403 gastroenterology physician records in Arizona
Loyal G. Tillotson, MD, PHD is one of 403 gastroenterology physician records with a practice address in Arizona. 84% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 41% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Tucson → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Bhaskar Banerjee, MDTucson, AZ 857241568458438
- John Cunningham, M.D.Tucson, AZ 857241114997376
- Steve Goldschmid, MDTucson, AZ 857241780798264
- M Lance, MDTucson, AZ 857241871690339
- Suresh Misra, M.D.Tucson, AZ 857241013228964
- Raymond Moldow, MDTucson, AZ 857241699847533
- Rafael Perini, MDTucson, AZ 857241831348606
- Brandon Witten, MDTucson, AZ 857241861137150
Common questions
What is Loyal G. Tillotson, MD, PHD's NPI number?
Loyal G. Tillotson, MD, PHD's National Provider Identifier (NPI) is 1043256936, issued on Jun 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Loyal G. Tillotson, MD, PHD located?
The NPPES record lists a practice address at 1501 N Campbell Ave, Tucson, AZ, 85724. Phone: (520) 694-8888. Providers update this record themselves, so call before visiting.
How can I verify Loyal G. Tillotson, MD, PHD's license?
NPPES lists Arizona license number 60656, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Loyal G. Tillotson, MD, PHD's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. 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.