KRISTINA LYNN MULDER MSN, APRN, AGPCNP
NPI 1861261059
Nurse Practitioner in Festus, MO
About Kristina Lynn Mulder Msn, Aprn, Agpcnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTINA LYNN MULDER MSN, APRN, AGPCNP (NPI 1861261059) is an individual nurse practitioner in Festus, Missouri, licensed in Missouri (2024005321) and active in the NPI registry since December 2023. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Jefferson, and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses 2
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
Kristina Lynn Mulder Msn, Aprn, Agpcnp 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 Reassignment
Medicare enrollment records show Kristina Mulder reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 611 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 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Jefferson
Acute Care Hospitals · Festus, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63028 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 4
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 Kristina Mulder's NPI number?
The NPI number for Kristina Mulder is 1861261059. It was assigned to this individual provider in the NPPES registry on December 28, 2023.
Where is Kristina Mulder located?
Kristina Mulder practices at 1471 Us Highway 61, Festus, MO 63028. The listed phone number is (636) 937-2700.
What is Kristina Mulder's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Kristina Mulder enrolled in Medicare?
Yes. Kristina Mulder 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 organization bills Medicare for Kristina Mulder's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristina Mulder reassigns Medicare benefits to Physician Groups Lc (Saint Louis, MO). The 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 Kristina Mulder's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kristina Mulder affiliated with any hospitals?
According to CMS data, Kristina Mulder is affiliated with Mercy Hospital Jefferson.
When was this NPI record last updated?
The NPPES record for Kristina Mulder was last updated on September 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Kristina Lynn Mulder, MSN, APRN, AGPCNP · NPI 1861261059
Nurse Practitioner physician in Festus, Missouri. Individual provider, active in the CMS NPPES registry since December 28, 2023.
## Identity
- **NPI:** 1861261059 (Entity type: Individual)
- **Enumerated:** December 28, 2023
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 2024005321 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1471 US HIGHWAY 61, Festus, MO 63028-4109
- **Phone:** (636) 937-2700
## 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:** Physician Groups Lc (NPI 1285664268, Saint Louis, MO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861261059) · Data from the CMS NPPES public registry.