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KATHERINE M WILLIAMS FNP-C
NPI 1528437936
Nurse Practitioner - Family in Joplin, MO

Active since September 16, 2015PECOS EnrolledAccepts Medicare Assignment
2216 E 32ND ST STE 101, JOPLIN, MO 64804(417) 556-2780 Get Directions Write a Review

NPPES record last updated: June 5, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 5, 2023, Aug 12, 2022 (2 updates tracked since 2022).

About Katherine M Williams Fnp-c NPPES

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

KATHERINE M WILLIAMS FNP-C (NPI 1528437936) is an individual family provider in Joplin, Missouri, licensed in Missouri (2015032915) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS, is affiliated with Cedar County Memorial Hospital, and maintains a secondary practice location in Joplin.

NPPES Registry Identity

NPI1528437936
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKATHERINE M WILLIAMSCredential: FNP-C
Location Address2216 E 32ND ST STE 101Joplin, MO 64804-3015
Mailing Address2216 E 32nd St Ste 101Joplin, MO 64804-3015 · (417) 556-2780
Phone(417) 556-2780
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateSeptember 16, 2015
Last NPPES UpdateJune 5, 20232 updates tracked since enumeration
NPPES CertifiedJune 5, 2023
✔ NPI 1528437936 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 · 2015032915
2216 E 32ND ST STE 101, Joplin, MO 64804
Open in Google Maps ↗

Secondary Practice Location 1

Location 13105 Mc Clelland BlvdJoplin, MO 64804-1640 · Phone (417) 347-5400

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health 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 M Williams Fnp-c 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 ID2264741933
PECOS Enrollment IDI20151020000920, I20230629002322
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

4

Medicare enrollment records show Katherine Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinic Joplin LLC
1.6 mi
Family Medicine
100 MERCY WAY
Joplin, MO 64804
  • Reassigned Medicare billing, Kansas and Missouri enrollments
  • 62 clinicians in this Medicare group
NPI 1215264817 (417) 556-2727
Mercy Hospital Carthage
11 mi
Rural Health
3114 MEDICAL PARK DR
Carthage, MO 64836
  • Reassigned Medicare billing, Missouri enrollment
  • 133 clinicians in this Medicare group
NPI 1992074959 (417) 358-0188
Mercy Clinic Springfield Communities
43 mi
Rural Health
92 MAIN ST
Cassville, MO 65625
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1245277631 (Missouri)
  • 1,487 clinicians in this Medicare group
NPI 1497887848 (417) 847-5225
Cedar County Memorial Hospital
60 mi
Clinic/Center
807 OWENS MILL RD
Stockton, MO 65785
  • Reassigned Medicare billing, Missouri enrollment
  • Also billed through NPI 1720039605 (Missouri), NPI 1992827273 (Missouri)
  • 58 clinicians in this Medicare group
NPI 1275656068 (417) 276-5500

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 2

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
15 services15 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
14 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cedar County Memorial Hospital

Critical Access Hospitals · El Dorado Springs, MO
OwnershipGovernment - Local
CMS Certification Number261323
Location1401 South Park StreetEl Dorado Springs, MO 64744 · Cedar County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 64804 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
$81.64 typical visit price
range $52.28 – $161.24
Typical copayment $20.41 (range $13.07 – $40.31)
Most-billed visit code 99203
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471
DME-Other DME · category DE001N
1 supplier11 claims11 services$302.19 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$91.53 avg. paid by Medicare
Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626
DME-Drugs Administered Through DME · category DG000N
2 suppliers11 claims630 services$0.83 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
2 suppliers13 claims13 services$26.14 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

SHURUK HAIB M.D
Family Medicine
2216 E 32ND ST STE 101
JOPLIN, MO 64804
Newton County (417) 556-2780

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 Williams's NPI number?

The NPI number for Katherine Williams is 1528437936. It was assigned to this individual provider in the NPPES registry on September 16, 2015.

Where is Katherine Williams located?

Katherine Williams practices at 2216 E 32nd St Ste 101, Joplin, MO 64804. The listed phone number is (417) 556-2780.

What is Katherine Williams's specialty?

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

Is Katherine Williams enrolled in Medicare?

Yes. Katherine Williams 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 Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Williams reassigns Medicare benefits to 4 organizations: Mercy Clinic Joplin LLC (Joplin, MO), Mercy Hospital Carthage (Carthage, MO), Mercy Clinic Springfield Communities (Cassville, MO) and Cedar County Memorial Hospital (Stockton, MO). 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 Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Williams accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Ambetter of Tennessee and 4 other insurers list Katherine Williams 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.

Is Katherine Williams affiliated with any hospitals?

According to CMS data, Katherine Williams is affiliated with Cedar County Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Williams was last updated on June 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.