Piyush Tiwari, MD
NPI 1871666735 · Gastroenterology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Piyush Tiwari, MD is a Gastroenterology Physician provider in Tucson, AZ (NPI 1871666735).
Provider details
- NPI number
- 1871666735
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34321 (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
19 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 380 | 369 |
| Omeprazole | 86 | 44 |
| Mesalamine | 83 | 20 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 39 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 37 | 36 |
| Ursodiol | 27 | — |
| Rifaximinbrand: Xifaxan | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-16
- Last updated
- 2021-12-16
Frequently asked questions
- What is Piyush Tiwari's NPI number?
- Piyush Tiwari's National Provider Identifier (NPI) is 1871666735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Piyush Tiwari's specialty?
- Piyush Tiwari is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Piyush Tiwari located?
- Piyush Tiwari's practice location on file with NPPES is 934 E Gibbon River Way, Tucson, AZ 85718-4763.
- What is Piyush Tiwari's phone number?
- The practice phone number listed in the NPPES registry for Piyush Tiwari is (520) 955-3133.
- Does Piyush Tiwari accept Medicare?
- Piyush Tiwari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Piyush Tiwari's NPI active?
- Yes — Piyush Tiwari's NPI (1871666735) is active in the NPPES registry as of the last update on 2021-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.