Brandon Witten, MD
NPI 1861137150 · Gastroenterology Physician · Tucson, AZ
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brandon Witten, MD is a Gastroenterology Physician provider in Tucson, AZ (NPI 1861137150).
Provider details
- NPI number
- 1861137150
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- R79490 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 29 | 11 |
| Pantoprazole Sodium | 23 | — |
| Famotidine | 22 | — |
| Atorvastatin Calcium | 16 | — |
| Levothyroxine Sodium | 16 | — |
| Lisinopril | 14 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-05-01
- Last updated
- 2025-07-24
- Certified
- 2025-06-30
Frequently asked questions
- What is Brandon Witten's NPI number?
- Brandon Witten's National Provider Identifier (NPI) is 1861137150, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brandon Witten's specialty?
- Brandon Witten is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Brandon Witten located?
- Brandon Witten's practice location on file with NPPES is 1501 N Campbell Ave Rm 6401, Tucson, AZ 85724-0001.
- What is Brandon Witten's phone number?
- The practice phone number listed in the NPPES registry for Brandon Witten is (520) 626-3992.
- Does Brandon Witten accept Medicare?
- Brandon Witten is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brandon Witten's NPI active?
- Yes — Brandon Witten's NPI (1861137150) is active in the NPPES registry as of the last update on 2025-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.