Karen Ann Markham, PA-C
Physician Assistant · Thornton, CO
Karen Ann Markham, PA-C is a physician assistant with a practice address in Thornton, Colorado, and NPI 1154568756, issued on Jan 19, 2009. Check the license (Colorado 218, 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
- Karen Ann Markham
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 218 CO
Self-reported in NPPES; status is on the state search - Practice location
- 3260 E 104TH Ave, Thornton, CO 80233
- Phone
- (720) 929-8300
- Enumerated
- Jan 19, 2009
- Record last updated
- Jan 19, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (720) 829-8444
- Entity
- Type 1 · individual
Also registered at 3260 E 104TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Whitney Harrington, PA-CPhysician Assistant1558670216
- Kevin O'Brien, M.D.Allergy & Immunology (Internal Medicine) Physician1134131733
Verify Karen Ann Markham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61 physician assistant records list a practice address in Thornton
They are 61 of the 2,234 NPPES records with a practice address in Thornton, and 3,767 physician assistant records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 61 in Thornton → All 3,767 in Colorado → Every provider in Thornton →
Other physician assistant records in Colorado
- Hannah Abbe, PADenver, CO1083360184
- Brianna Abbott, PA-CColorado Springs, CO1013366905
- Elise AbbottFort Collins, CO1194516542
- Jennifer Abbott, PA-CColorado Springs, CO1851821334
- Timothy Abbott, PA-CDenver, CO1023152212
- Alexander AbbruzzeseFort Carson, CO1538994132
- Mary Abraham, PA-CColorado Springs, CO1225696800
- Mariella Accame, PALakewood, CO1629007141
- Valerie Ackman, PA-CEnglewood, CO1982824504
- Megan Acosta O'GaraPueblo, CO1083390736
Common questions
What is Karen Ann Markham, PA-C's NPI number?
Karen Ann Markham, PA-C's National Provider Identifier (NPI) is 1154568756, issued on Jan 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Karen Ann Markham, PA-C located?
The NPPES record lists a practice address at 3260 E 104TH Ave, Thornton, CO, 80233. Phone: (720) 929-8300. Providers update this record themselves, so call before visiting.
How can I verify Karen Ann Markham, PA-C's license?
NPPES lists Colorado license number 218, 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.