Mark Colloton, PA
Physician Assistant · Westminster, CO
Mark Colloton, PA is a physician assistant with a practice address in Westminster, Colorado, and NPI 1619195393, issued on Apr 20, 2007. Check the license (Colorado 337, 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.
- Name
- Mark Colloton
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 337 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9035 Wadsworth Pkwy, Westminster, CO 80021
- Phone
- (303) 422-7677
- Enumerated
- Apr 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (303) 042-2602
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,767 in Colorado → Look up another NPI →
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Verify Mark Colloton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 337Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mark Colloton among 3,767 physician assistant records in Colorado
Mark Colloton, PA is one of 3,767 physician assistant records with a practice address in Colorado. 76% 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 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 76% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 physician assistant records list a practice address in Westminster
They are 54 of the 2,492 NPPES records with a practice address in Westminster, and 3,767 physician assistant records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,767 in Colorado → Every provider in Westminster → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Ellyn Ayervais, PA-CBroomfield, CO 800211821555863
- Shannon Bock, PA-CBroomfield, CO 800211083662225
- Melissa Chiu, PA-CWestminster, CO 800211487030680
- Rachel ColeBroomfield, CO 800211568179653
- Diane Friedman, PA-CBroomfield, CO 800211306233382
- Katherine Loecker, PA-CWestminster, CO 800211073268157
- Hannah MackenzieBroomfield, CO 800211720691652
- Jessica Martineau, PAWestminster, CO 800211518361096
Common questions
What is Mark Colloton, PA's NPI number?
Mark Colloton, PA's National Provider Identifier (NPI) is 1619195393, issued on Apr 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Colloton, PA located?
The NPPES record lists a practice address at 9035 Wadsworth Pkwy, Westminster, CO, 80021. Phone: (303) 422-7677. Providers update this record themselves, so call before visiting.
How can I verify Mark Colloton, PA's license?
NPPES lists Colorado license number 337, 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.
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.