NPPES file of Aug 9, 2026

Piyush Tiwari, MD

Gastroenterology Physician · Tucson, AZ

Piyush Tiwari, MD is a gastroenterology physician with a practice address in Tucson, Arizona, and NPI 1871666735, issued on Nov 16, 2006. Check the license (Arizona 34321, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871666735
Name
Piyush Tiwari
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
34321 AZ
Self-reported in NPPES; status is on the state search
Practice location
934 E Gibbon River Way, Tucson, AZ 85718
Phone
(520) 955-3133
Enumerated
Nov 16, 2006
Record last updated
Dec 16, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
953829 AZ
Medicare enrollment
Enrolled (PECOS I20160923000726); accepts Medicare assignment
Medical or professional school
National Medical University, 1998
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Verify Piyush Tiwari in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 34321
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

26% more Medicare Part D claims than the average gastroenterology physician in 2024

1,019 Medicare Part D claims for 573 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Piyush Tiwari1,019
  2. Specialty average811

Most prescribed

  1. Gavilyte-C380 claims
  2. Omeprazole86 claims
  3. Mesalamine83 claims
  4. Cholestyramine39 claims
  5. Peg-3350 And Electrolytes37 claims
  6. Ursodiol27 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncRoseville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Piyush Tiwari among 403 gastroenterology physician records in Arizona

Piyush Tiwari, 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 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 fileYes · 73% of these records are
  • Graduated1998 · median 2001 among the 295 with a school on file
  • Record last updated2021 · 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.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Avin Aggarwal, M.D.Tucson, AZ 857191467716555
  2. Shivanand Bomman, MDTucson, AZ 857191063641348
  3. Shoma Bommena, M. D.Tucson, AZ 857191952610966
  4. Mahak Chauhan, M.D.Tucson, AZ 857191497288419
  5. Jama Darling, MDTucson, AZ 857191700953908
  6. Sabrina Ho, MDTucson, AZ 857191255020087
  7. Matthew Reif, MDTucson, AZ 857191114505856
  8. Sasha Taleban, MDTucson, AZ 857191720197577

Common questions

What is Piyush Tiwari, MD's NPI number?

Piyush Tiwari, MD's National Provider Identifier (NPI) is 1871666735, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Piyush Tiwari, MD located?

The NPPES record lists a practice address at 934 E Gibbon River Way, Tucson, AZ, 85718. Phone: (520) 955-3133. Providers update this record themselves, so call before visiting.

How can I verify Piyush Tiwari, MD's license?

NPPES lists Arizona license number 34321, 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 Piyush Tiwari, MD prescribe under Medicare Part D?

In 2024, Piyush Tiwari, MD had 1,019 Medicare Part D claims for 573 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.