NPPES file of Aug 9, 2026

Marissa Holliday

Athletic Trainer · Boulder, CO

Marissa Holliday is an athletic trainer with a practice address in Boulder, Colorado, and NPI 1528505542, issued on Jan 28, 2017. Check the license (Colorado AT.0001149, as entered in NPPES) with the Colorado board that licenses this profession; 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
1528505542
Name
Marissa Holliday
Primary taxonomy
Athletic Trainer 2255A2300X
License number
AT.0001149 CO
Self-reported in NPPES; status is on the state search
Practice location
950 Regent Dr, Boulder, CO 80309
Phone
(303) 492-2970
Enumerated
Jan 28, 2017
Record last updated
Jan 28, 2017 (not updated in 9 years: call before relying on the address or phone)
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.
Download card Updates feed

Also registered at 950 Regent Dr

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

  1. Rawley Klingsmith, ATCAthletic Trainer1093254245

Verify Marissa Holliday in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license AT.0001149    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
Find the Colorado 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.

Athletic Trainer providers in Colorado

There are 694 athletic trainer records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 694 in Colorado → Every provider in Boulder →

Other athletic trainer records in Colorado

  1. Shannon Aberton, ATCBoulder, CO1457755035
  2. Jaclyn Adams, ATCBoulder, CO1386602928
  3. Terence Aggeler, ATC, LPTADurango, CO1902894132
  4. Kayla Albertella, ATCFountain, CO1295496057
  5. Jarod Alcaraz, LAT, ATCColorado Springs, CO1588132641
  6. Joshua Allen, ATCBattlement Mesa, CO1356749782
  7. Derek Allison, ATCWestminster, CO1568876563
  8. Leila Almahdy, ATCBoulder, CO1285778415
  9. Paige Alvarez, LATDenver, CO1578150405
  10. Lindsay Anderson, ATCArvada, CO1578849675

Common questions

What is Marissa Holliday's NPI number?

Marissa Holliday's National Provider Identifier (NPI) is 1528505542, issued on Jan 28, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Holliday located?

The NPPES record lists a practice address at 950 Regent Dr, Boulder, CO, 80309. Phone: (303) 492-2970. Providers update this record themselves, so call before visiting.

How can I verify Marissa Holliday's license?

NPPES lists Colorado license number AT.0001149, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity 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. 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.