Brandon L. Witten, MD
Gastroenterology Physician · Tucson, AZ
Brandon L. Witten, MD is a gastroenterology physician with a practice address in Tucson, Arizona, and NPI 1861137150, issued on May 1, 2022. Check the license (Arizona R79490, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brandon L. Witten
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- R79490 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1501 N Campbell Ave RM 6401, Tucson, AZ 85724
- Phone
- (520) 626-3992
- Enumerated
- May 1, 2022
- Record last updated
- Jul 24, 2025
- Fax
- (520) 626-6020
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Verify Brandon L. Witten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R79490Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average gastroenterology physician in 2024
362 Medicare Part D claims for 102 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin29 claims
- Pantoprazole Sodium23 claims
- Famotidine22 claims
- Atorvastatin Calcium16 claims
- Levothyroxine Sodium16 claims
- Lisinopril14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Brandon L. Witten among 403 gastroenterology physician records in Arizona
Brandon L. Witten, MD 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 2022, is newer than 98% of them.
- NPI issued2022 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2025 · 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
- Loyal Tillotson, MD, PHDTucson, AZ 857241043256936
Common questions
What is Brandon L. Witten, MD's NPI number?
Brandon L. Witten, MD's National Provider Identifier (NPI) is 1861137150, issued on May 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Brandon L. Witten, MD located?
The NPPES record lists a practice address at 1501 N Campbell Ave RM 6401, Tucson, AZ, 85724. Phone: (520) 626-3992. Providers update this record themselves, so call before visiting.
How can I verify Brandon L. Witten, MD's license?
NPPES lists Arizona license number R79490, 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.
How much does Brandon L. Witten, MD prescribe under Medicare Part D?
In 2024, Brandon L. Witten, MD had 362 Medicare Part D claims for 102 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.