THOMAS C. HAY DO
NPI 1700863578
Radiology - Pediatric Radiology in Aurora, CO

Q: What is Thomas Hay's NPI number?

The NPI number for Thomas Hay is 1700863578. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Q: What is Thomas Hay's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Hay was last updated on November 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since December 22, 2005PECOS Enrolled

13123 E 16TH AVE, AURORA, CO 80045(720) 777-1234 Get Directions Write a Review

NPPES record last updated: November 17, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Thomas C. Hay Do NPPES

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

THOMAS C. HAY DO (NPI 1700863578) is an individual pediatric radiology provider in Aurora, Colorado, licensed in Colorado (DR.0028927) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700863578

Entity TypeIndividualMale

Primary Taxonomy2085P0229X

Provider Legal NameTHOMAS C. HAYCredential: DO

Location Address13123 E 16TH AVEAurora, CO 80045-7106

Mailing AddressPo Box 110429Aurora, CO 80042-0429 · (303) 493-7000 · Fax (303) 493-7202

Phone(720) 777-1234

Sole ProprietorNo

Enumeration DateDecember 22, 2005

Last NPPES UpdateNovember 17, 2018

✔ NPI 1700863578 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Pediatric RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085P0229X

License✔ Licensed in CO · DR.0028927

Definition

A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 28927 (CO)

13123 E 16TH AVE, Aurora, CO 80045

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Other Identifiers 12

Medicaid01289271CO

Medicaid1700863578MT

Medicaid805473000ID

Medicaid8125478WA

MedicaidXPY203904CA

MedicaidV1873NM

Medicaid2964494IA

Medicaid100177370AOK

Medicaid100234210CKS

Medicaid114695201MI

Medicaid372350AZ

Medicaid102958400WY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas C. Hay Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Thomas Hay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Physicians Incorporated

0.1 mi

Pediatrics

13123 E 16TH AVE
Aurora, CO 80045

Reassigned Medicare billing, Colorado enrollment
4,283 clinicians in this Medicare group

NPI 1083662498 (720) 777-1234

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

Other Providers at the Same Location NPPES 20

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

ERIN TERAVEST PA

Physician Assistant (Surgical)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-1234

MELISSA KAY FRAZER AA-C

Anesthesiologist Assistant

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-1234

RACHEL MARIE RANWEILER

Registered Nurse (Neonatal Intensive Care)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-6857

DR. KATHRYN LYN PEGAN AU.D.

Audiologist

13123 E 16TH AVE, 2ND FLOOR OUTPATIENT PAVILION - AUDIOLOGY
AURORA, CO 80045

Adams County (720) 777-1961

MRS. KRISTEN L HOLDER FNP-C, APRN-BC

Nurse Practitioner (Psychiatric/Mental Health)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-1234

MRS. JILL M MARKS RN, APN

Nurse Practitioner (Pediatrics)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-1234

MRS. WENDELYN M BARRETT NNP

Registered Nurse (Neonatal Intensive Care)

13123 E 16TH AVE
AURORA, CO 80045

Adams County (720) 777-6857

DR. TIMOTHY OWEN VANDERKOOY MD

Emergency Medicine (Pediatric Emergency Medicine)

13123 E 16TH AVE, AURORA, CO 80045-7106
AURORA, CO 80045

Adams County (720) 777-1234

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 Hay's NPI number?

The NPI number for Thomas Hay is 1700863578. It was assigned to this individual provider in the NPPES registry on December 22, 2005.

Where is Thomas Hay located?

Thomas Hay practices at 13123 E 16th Ave, Aurora, CO 80045. The listed phone number is (720) 777-1234.

What is Thomas Hay's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.

Is Thomas Hay enrolled in Medicare?

Yes. Thomas Hay is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thomas Hay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Hay reassigns Medicare benefits to University Physicians Incorporated (Aurora, CO). The 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 Hay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Hay accept?

Health plans from Select Health list Thomas Hay 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 Hay was last updated on November 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.