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KATHERINE L MULHERIN N.P.
NPI 1780902882
Nurse Practitioner - Family in Fenton, MO

Active since May 13, 2010PECOS EnrolledAccepts Medicare Assignment
128 MATRIX COMMONS DR, FENTON, MO 63026(636) 349-6850(636) 349-6641 Get Directions Write a Review

NPPES record last updated: July 10, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Katherine L Mulherin N.p. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHERINE L MULHERIN N.P. (NPI 1780902882) is an individual family provider in Fenton, Missouri, licensed in Missouri (105483) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1780902882
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATHERINE L MULHERINCredential: N.P.
Location Address128 MATRIX COMMONS DRFenton, MO 63026
Mailing Address128 Matrix Commons DrFenton, MO 63026-2935 · (314) 731-9675 · Fax (636) 349-6850
Phone(636) 349-6850
Fax(636) 349-6641
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateMay 13, 2010
Last NPPES UpdateJuly 10, 2018
✔ NPI 1780902882 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 105483
128 MATRIX COMMONS DR, Fenton, MO 63026
Open in Google Maps ↗

Other Identifiers 1

MedicaidMA5364047MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida and more.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

Katherine L Mulherin N.p. 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.

PECOS PAC ID1052614302
PECOS Enrollment IDI20160121000333
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Katherine Mulherin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

American Current Care Of Kansas PA
12 mi
Urgent Care
83 PROGRESS PKWY
Maryland Heights, MO 63043
  • Reassigned Medicare billing, Missouri enrollment
  • 33 clinicians in this Medicare group
NPI 1922404052 (314) 434-8174

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63026 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

US MEDGROUP OF KANSAS PA
Clinic/Center (Health Service)
128 MATRIX COMMONS DR
FENTON, MO 63026
St. Louis County (636) 349-6850
OCCUPATIONAL HEALTH CENTERS OF KANSAS PA
Clinic/Center (Health Service)
128 MATRIX COMMONS DR
FENTON, MO 63026
St. Louis County (636) 349-6850
DR. MORGAN ASHLEY BIONDO DPT
Physical Therapist
128 MATRIX COMMONS DR
FENTON, MO 63026
St. Louis County (636) 349-6850
AMERICAN CURRENT CARE OF KANSAS PA
Clinic/Center (Urgent Care)
128 MATRIX COMMONS DR
FENTON, MO 63026
St. Louis County (636) 349-6850
OCCUPATIONAL HEALTH CENTERS OF KANSAS PA
Clinic/Center (Occupational Medicine)
128 MATRIX COMMONS DR
FENTON, MO 63026
St. Louis County (636) 349-6850

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 Mulherin's NPI number?

The NPI number for Katherine Mulherin is 1780902882. It was assigned to this individual provider in the NPPES registry on May 13, 2010.

Where is Katherine Mulherin located?

Katherine Mulherin practices at 128 Matrix Commons Dr, Fenton, MO 63026. The listed phone number is (636) 349-6850.

What is Katherine Mulherin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Katherine Mulherin enrolled in Medicare?

Yes. Katherine Mulherin 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 Katherine Mulherin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Mulherin reassigns Medicare benefits to American Current Care Of Kansas PA (Maryland Heights, 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 Katherine Mulherin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Mulherin accept?

Health plans from Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida, Oscar Health Plan of North Carolina, Inc and Oscar Health Plan, Inc. and 2 other insurers list Katherine Mulherin 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 Mulherin was last updated on July 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.