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KERRIANN MAHON MD
NPI 1144204819
Pediatrics in Willmar, MN

Active since December 06, 2005PECOS Enrolled
101 WILLMAR AVE SW, AFFILIATED COMMUNITY MEDICAL CENTERS, WILLMAR, MN 56201(320) 231-5000(320) 231-5067 Get Directions Write a Review

NPPES record last updated: October 14, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Kerriann Mahon Md NPPES

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

KERRIANN MAHON MD (NPI 1144204819) is an individual pediatrics provider in Willmar, Minnesota, licensed in Minnesota (47040) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144204819
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameKERRIANN MAHONCredential: MD
Location Address101 WILLMAR AVE SW, AFFILIATED COMMUNITY MEDICAL CENTERSWillmar, MN 56201
Mailing Address101 Willmar Ave Sw, Affiliated Community Medical CentersWillmar, MN 56201 · (320) 231-5000 · Fax (320) 231-5067
Phone(320) 231-5000
Fax(320) 231-5067
Sole ProprietorNo
Enumeration DateDecember 6, 2005
Last NPPES UpdateOctober 14, 2022
NPPES CertifiedOctober 14, 2022
✔ NPI 1144204819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MN · 47040
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedHospitalistTaxonomy 208M00000X · License 47040 (MN)
101 WILLMAR AVE SW, Willmar, MN 56201
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kerriann Mahon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Kerriann Mahon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mayo Clinic Health System-Southwest Minnesota Region
82 mi
Multi-Specialty
301 2ND ST NE
New Prague, MN 56071
  • Reassigned Medicare billing, Minnesota enrollment
  • 1,572 clinicians in this Medicare group
NPI 1477089407 (952) 758-4431
Range Regional Health Services
188 mi
General Acute Care Hospital
750 E 34TH ST
Hibbing, MN 55746
  • Reassigned Medicare billing, Minnesota enrollment
  • 707 clinicians in this Medicare group
NPI 1356321699 (218) 262-4881

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 56201 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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 20

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

MS. AMBER ERIN JOHNSON WHNP
Nurse Practitioner
101 WILLMAR AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 231-5000
FRANCES ANNE ANTKOWIAK APNP
Nurse Practitioner
101 WILLMAR AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 231-5000
DR. PATRICIA A DAQUILA MD
Internal Medicine
101 WILLMAR AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 231-5000
DR. MICHAEL J HODAPP MD
Pediatrics
101 WILLMAR AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 231-5000
DR. RAYMOND J MELLEMA MD
Family Medicine
101 WILLMAR AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 231-5000
DR. LACHLAN C SMITH MD
Obstetrics & Gynecology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 231-5000
DR. ROBERT M KAISER MD
Family Medicine
101 WILLMAR AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 231-5000
DR. GLENN C BUCHANAN MD
Obstetrics & Gynecology
101 WILLMAR AVE SW
WILLMAR, MN 56201
Kandiyohi County (320) 231-5000

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 Kerriann Mahon's NPI number?

The NPI number for Kerriann Mahon is 1144204819. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Kerriann Mahon located?

Kerriann Mahon practices at 101 Willmar Ave SW Affiliated Community Medical Centers, Willmar, MN 56201. The listed phone number is (320) 231-5000.

What is Kerriann Mahon's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Kerriann Mahon enrolled in Medicare?

Yes. Kerriann Mahon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kerriann Mahon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kerriann Mahon reassigns Medicare benefits to 2 organizations: Mayo Clinic Health System-Southwest Minnesota Region (New Prague, MN) and Range Regional Health Services (Hibbing, MN). 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 Kerriann Mahon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kerriann Mahon was last updated on October 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.