DR. KATHERINE MULLIGAN APRN
NPI 1720671837
Nurse Practitioner - Family in Denver, CO
About Dr. Katherine Mulligan Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHERINE MULLIGAN APRN (NPI 1720671837) is an individual family provider in Denver, Colorado, licensed in Kansas (53-80402-102) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Liberal, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Katherine Mulligan Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Katherine Mulligan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80224
- Reassigned Medicare billing, Colorado enrollment
- 28 clinicians in this Medicare group
Denver, CO 80206
- Reassigned Medicare billing, Colorado enrollment
- 51 clinicians in this Medicare group
Denver, CO 80246
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Primary Care Solutions PC
- 23 clinicians in this Medicare group
Louisville, CO 80027
- Reassigned Medicare billing, Colorado enrollment
- 34 clinicians in this Medicare group
Lawton, OK 73505
- Reassigned Medicare billing, Kansas and Oklahoma enrollments
- 92 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Katherine Mulligan's NPI number?
The NPI number for Katherine Mulligan is 1720671837. It was assigned to this individual provider in the NPPES registry on February 19, 2021.
Where is Katherine Mulligan located?
Katherine Mulligan practices at 6895 E Hampden Ave, Denver, CO 80224. The listed phone number is (303) 861-7878.
What is Katherine Mulligan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Katherine Mulligan enrolled in Medicare?
Yes. Katherine Mulligan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Katherine Mulligan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mulligan reassigns Medicare benefits to 5 organizations: Afterours Inc (Denver, CO), Urgent Care Solutions, Glendale, PC (Denver, CO), Primary Care Solutions P.C. (Denver, CO), Quality Urgent Care Professional Corporation (Louisville, CO) and Williams Medical Group Practice, LLC (Lawton, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katherine Mulligan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Mulligan accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Katherine Mulligan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Katherine Mulligan was last updated on October 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Katherine Mulligan, APRN · NPI 1720671837
Family physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since February 19, 2021.
## Identity
- **NPI:** 1720671837 (Entity type: Individual)
- **Enumerated:** February 19, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 53-80402-102 (Kansas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6895 E HAMPDEN AVE, Denver, CO 80224-3047
- **Phone:** (303) 861-7878 · **Fax:** (303) 894-8066
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Afterours Inc (NPI 1871626747, Denver, CO); Urgent Care Solutions, Glendale, PC (NPI 1184099418, Denver, CO); Primary Care Solutions P.C. (NPI 1871923250, Denver, CO); Quality Urgent Care Professional Corporation (NPI 1497227060, Louisville, CO); Williams Medical Group Practice, LLC (NPI 1346608809, Lawton, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** October 14, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1720671837) · Data from the CMS NPPES public registry.