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DR. THOMAS TIEU M.D.
NPI 1396008892
Urology in Tucson, AZ

Active since June 19, 2012PECOS EnrolledAccepts Medicare Assignment
88.39/100
CMS Quality Rating
6001 E GRANT RD, TUCSON, AZ 85712(520) 497-5010(520) 497-4111 Get Directions Write a Review

NPPES record last updated: April 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 9, 2025, Jun 2, 2021, Apr 14, 2021 and 1 more (4 updates tracked since 2017).

About Dr. Thomas Tieu M.d. NPPES

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

DR. THOMAS TIEU M.D. (NPI 1396008892) is an individual urology provider in Tucson, Arizona, licensed in Illinois (125.061239) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of Chicago College Of Medicine And Surgery (2012).

NPPES Registry Identity

NPI1396008892
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDR. THOMAS TIEUCredential: M.D.
Location Address6001 E GRANT RDTucson, AZ 85712-2316
Mailing Address6001 E Grant RdTucson, AZ 85712-2316 · (520) 497-5010 · Fax (520) 497-4111
Phone(520) 497-5010
Fax(520) 497-4111
Sole ProprietorNo
Medical School CMSChicago College Of Medicine And SurgeryGraduated 2012
Enumeration DateJune 19, 2012
Last NPPES UpdateApril 9, 20254 updates tracked since enumeration
NPPES CertifiedApril 9, 2025
✔ NPI 1396008892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in IL · 125.061239
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
6001 E GRANT RD, Tucson, AZ 85712
Open in Google Maps ↗

Other Identifiers 1

Medicaid1396008892ID

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas Tieu M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7214176668
PECOS Enrollment IDI20250417002588
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Thomas Tieu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Santa Cruz Urology Care Clinic LLC
Same address
Urology
6001 E GRANT RD
Tucson, AZ 85712
  • Reassigned Medicare billing, Arizona enrollment
  • 3 clinicians in this Medicare group
NPI 1245043744 (520) 497-5010
Prosser Public Hospital District Of Benton County
1,033 mi
Specialist
508 N WILBUR AVE
Walla Walla, WA 99362
  • Reassigned Medicare billing, Washington enrollment
  • 232 clinicians in this Medicare group
NPI 1518770155 (509) 786-5599

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85712 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality89.25
Promoting Interoperability81
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
2 suppliers12 claims2,040 services$1.69 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AKDHC, LLC
Internal Medicine (Nephrology)
6001 E GRANT RD, AKDHC, LLC
TUCSON, AZ 85712
Pima County (520) 290-5260
DR. RAFAEL ALEJANDRO NUNEZ NATERAS M.D.
Urology
6001 E GRANT RD
TUCSON, AZ 85712
Pima County (520) 497-5010
SANTA CRUZ UROLOGY CARE CLINIC LLC
Urology
6001 E GRANT RD
TUCSON, AZ 85712
Pima County (520) 497-5010
UROLOGY CARE CLINIC LLC
Urology
6001 E GRANT RD
TUCSON, AZ 85712
Pima County (520) 497-5010
WENDY HUEMPFNER M.D. PC
Obstetrics & Gynecology
6001 E GRANT RD
TUCSON, AZ 85712
Pima County (520) 745-6513
MARK BESSETTE, MD, PC
Family Medicine
6001 E GRANT RD
TUCSON, AZ 85712
Pima County (520) 745-6513

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 Thomas Tieu's NPI number?

The NPI number for Thomas Tieu is 1396008892. It was assigned to this individual provider in the NPPES registry on June 19, 2012.

Where is Thomas Tieu located?

Thomas Tieu practices at 6001 E Grant Rd, Tucson, AZ 85712. The listed phone number is (520) 497-5010.

What is Thomas Tieu's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Thomas Tieu enrolled in Medicare?

Yes. Thomas Tieu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thomas Tieu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Tieu reassigns Medicare benefits to 2 organizations: Santa Cruz Urology Care Clinic LLC (Tucson, AZ) and Prosser Public Hospital District Of Benton County (Walla Walla, WA). Each 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 Thomas Tieu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Tieu accept?

Health plans from Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona and UnitedHealthcare list Thomas Tieu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Thomas Tieu was last updated on April 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.