1. Home
  2. Directory
  3. Arizona
  4. Tucson
  5. Internal Medicine
  6. NPI Profile

IRONWOOD GASTROENTEROLOGY PLLC
NPI 1003031931
Internal Medicine - Gastroenterology in Tucson, AZ

Active since April 16, 2007
395 N SILVERBELL RD STE 265, TUCSON, AZ 85745(520) 724-0559(520) 220-5115 Get Directions Write a Review

NPPES record last updated: September 16, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ironwood Gastroenterology Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IRONWOOD GASTROENTEROLOGY PLLC (NPI 1003031931) is a healthcare organization registered as a gastroenterology in Tucson, Arizona and active in the NPI registry since April 2007. The organization lists Rizwan Safdar, Owner, as its authorized official.

NPPES Registry Identity

NPI1003031931
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameIRONWOOD GASTROENTEROLOGY PLLC
Location Address395 N SILVERBELL RD STE 265Tucson, AZ 85745-2714
Mailing AddressPo Box 43100Tucson, AZ 85733-3100 · (520) 724-0559 · Fax (520) 220-5115
Phone(520) 724-0559
Fax(520) 220-5115
Organization SubpartNo
Authorized OfficialRizwan SafdarOwner · (520) 722-3777
Enumeration DateApril 16, 2007
Last NPPES UpdateSeptember 16, 2024
NPPES CertifiedSeptember 16, 2024
✔ NPI 1003031931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in AZ · 27577
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
395 N SILVERBELL RD STE 265, Tucson, AZ 85745
Open in Google Maps ↗

Other Identifiers 1

Medicaid274981AZ

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ironwood Gastroenterology Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Ironwood Gastroenterology PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Rizwan Safdar, M.D.
Gastroenterology
NPI 1982651857
395 N SILVERBELL RD STE 265
Tucson, AZ 85745
(520) 724-0559
✔ PECOS✔ Accepts MedicareSame address
Elyse Hammett, FNP
Nurse Practitioner
NPI 1831103159
5295 E KNIGHT DR
Tucson, AZ 85712
(520) 382-5972
✔ PECOS✔ Accepts Medicare7.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ironwood Gastroenterology PLLC's NPI number?

The NPI number for Ironwood Gastroenterology PLLC is 1003031931. It was assigned to this organization in the NPPES registry on April 16, 2007.

Where is Ironwood Gastroenterology PLLC located?

Ironwood Gastroenterology PLLC is located at 395 N Silverbell Rd Ste 265, Tucson, AZ 85745. The listed phone number is (520) 724-0559.

What is Ironwood Gastroenterology PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Ironwood Gastroenterology PLLC enrolled in Medicare?

Yes. Ironwood Gastroenterology PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Ironwood Gastroenterology PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Ironwood Gastroenterology PLLC, in Gastroenterology and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Ironwood Gastroenterology PLLC was last updated on September 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.