Katherine Mulligan, APRN
Family Nurse Practitioner · Denver, CO
Katherine Mulligan, APRN is a family nurse practitioner with a practice address in Denver, Colorado, and NPI 1720671837, issued on Feb 19, 2021. Check the license with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Mulligan
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 53-80402-102 KS
135496 KS
Self-reported in NPPES; status is on the state search - Practice location
- 6895 E Hampden Ave, Denver, CO 80224
- Phone
- (303) 861-7878
- Enumerated
- Feb 19, 2021
- Record last updated
- Oct 14, 2024
- Fax
- (303) 894-8066
- Medicare enrollment
- Enrolled (PECOS I20240912000033); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,492 in Colorado → Look up another NPI →
Also registered at 6895 E Hampden Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cynthia Hartley, PA-CPhysician Assistant1619112406
- Woodrow HillNurse Practitioner1407088495
Verify Katherine Mulligan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family nurse practitioner in 2024
223 Medicare Part D claims for 115 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Azithromycin21 claims
- Albuterol Sulfate Hfa13 claims
- Amoxicillin-Clavulanate Potass12 claims
- Amoxicillin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Afterours IncDenver, CO
- Quality Urgent Care Professional CorporationLouisville, CO
- Urgent Care Solutions Glendale PCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Mulligan among 3,492 family nurse practitioner records in Colorado
Katherine Mulligan, APRN is one of 3,492 family nurse practitioner records with a practice address in Colorado. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 66% of them.
- NPI issued2021 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2021 · median 2019 among the 1,950 with a school on file
- Record last updated2024 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
484 family nurse practitioner records list a practice address in Denver
They are 484 of the 25,068 NPPES records with a practice address in Denver, and 3,492 family nurse practitioner records in Colorado.
All 3,492 in Colorado → Every provider in Denver → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Emily Austin, NP - CDenver, CO 802241811384829
- Courtney D'Ovidio, RN, MSN, FNP-CDenver, CO 802241972080380
- Peter Gala, DC, FNP-C, PMHNP-BCDenver, CO 802241962466094
- Christopher Harris, APNDenver, CO 802241639703572
- Naser Kalani Yazd, DNPDenver, CO 802241326064726
- Victoria Kinney, ANPDenver, CO 802241598181133
- Risto Laitinen, NP-CDenver, CO 802241245889708
- Joyce Larsen, DNPDenver, CO 802241184108763
Common questions
What is Katherine Mulligan, APRN's NPI number?
Katherine Mulligan, APRN's National Provider Identifier (NPI) is 1720671837, issued on Feb 19, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Mulligan, APRN located?
The NPPES record lists a practice address at 6895 E Hampden Ave, Denver, CO, 80224. Phone: (303) 861-7878. Providers update this record themselves, so call before visiting.
How can I verify Katherine Mulligan, APRN's license?
Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Mulligan, APRN prescribe under Medicare Part D?
In 2024, Katherine Mulligan, APRN had 223 Medicare Part D claims for 115 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.