NPPES file of Aug 9, 2026

William Hay, JR

Neonatal-Perinatal Medicine Physician · Aurora, CO

William Hay, JR is a neonatal-perinatal medicine physician with a practice address in Aurora, Colorado, and NPI 1023192754, issued on Oct 25, 2006. Check the license (Colorado 17503, as entered in NPPES) on the Colorado Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1023192754
Name
William Hay
Credential
JR
Primary taxonomy
Neonatal-Perinatal Medicine Physician 2080N0001X
License number
17503 CO
Self-reported in NPPES; status is on the state search
Practice location
12605 E 16TH Ave, Aurora, CO 80045
Phone
(720) 848-0000
Enumerated
Oct 25, 2006
Record last updated
Apr 4, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicaid ID
01175033 CO
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest neonatal-perinatal medicine physician records → All 115 in Colorado → Look up another NPI →

Also registered at 12605 E 16TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Benjamin Aakre, MDAnesthesiology Physician1407140395
  2. Alec Aaronson, DOPsychiatry Physician1972065233
  3. Mona Abaza, MDOtolaryngology Physician1043313844
  4. Meagan AbbagnaroAnesthesiologist Assistant1851254262
  5. Jean Abbott, MDEmergency Medicine Physician1578672820
  6. Adam Abraham, MDInternal Medicine Physician1720178304

Verify William Hay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license 17503    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 Colorado license search

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William Hay among 115 neonatal-perinatal medicine physician records in Colorado

William Hay, JR is one of 115 neonatal-perinatal medicine physician records with a practice address in Colorado. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 60% newer
  • In a Medicare fileNo · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 5% of these records are
  • Record last updated2013 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080N0001X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neonatal-Perinatal Medicine Physician providers in Colorado

There are 115 neonatal-perinatal medicine physician records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 115 in Colorado → Every provider in Aurora → Neonatal-Perinatal Medicine Physician nationwide →

The 8 neonatal-perinatal medicine physician records with the nearest ZIP codes

  1. James Barry, MDAurora, CO 800451154406890
  2. Laura Brown, MDAurora, CO 800451063502193
  3. Cassidy Delaney, MDAurora, CO 800451164507810
  4. Michael Fitzgerald, MDAurora, CO 800451477640266
  5. Daniel Hall, MDAurora, CO 800451467537191
  6. Peter Hulac, MDAurora, CO 800451558446294
  7. John Kinsella, MDAurora, CO 800451811072549
  8. Susan Niermeyer, MDAurora, CO 800451376628008

Common questions

What is William Hay, JR's NPI number?

William Hay, JR's National Provider Identifier (NPI) is 1023192754, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Hay, JR located?

The NPPES record lists a practice address at 12605 E 16TH Ave, Aurora, CO, 80045. Phone: (720) 848-0000. Providers update this record themselves, so call before visiting.

How can I verify William Hay, JR's license?

NPPES lists Colorado license number 17503, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.