KATHERINE ABIGAIL WITTMER APRN
NPI 1164164679
Nurse Practitioner - Acute Care in Louisville, KY

Active since April 13, 2022PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
1941 BISHOP LN STE 200, LOUISVILLE, KY 40218(502) 888-1988(502) 452-6577 Get Directions Write a Review

NPPES record last updated: February 16, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 3, 2025, Jul 8, 2024, Apr 13, 2022 (3 updates tracked since 2022).

About Katherine Abigail Wittmer Aprn NPPES

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

KATHERINE ABIGAIL WITTMER APRN (NPI 1164164679) is an individual acute care provider in Louisville, Kentucky, licensed in Kentucky (3017460) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with Norton Hospitals, Inc, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1164164679
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameKATHERINE ABIGAIL WITTMERCredential: APRN
Location Address1941 BISHOP LN STE 200Louisville, KY 40218-1973
Mailing AddressPo Box 381468Germantown, TN 38183-1468
Fax(502) 452-6577
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 13, 2022
Last NPPES UpdateFebruary 16, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 16, 2026
NPI 1164164679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in KY · 3017460
1941 BISHOP LN STE 200, Louisville, KY 40218

Secondary Practice Locations 2

Location 1170 Dr Arla Way Ste 101Louisville, KY 40229-5427 · Phone (502) 888-1988
Location 2438 Adam Shepherd PkwyShepherdsville, KY 40165-6742 · Phone (502) 888-1988

Other Identifiers 2

Medicaid7100827480KY
Medicaid300062317IN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Katherine Abigail Wittmer 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.

PECOS PAC ID5092194233
PECOS Enrollment IDI20220620000456
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.

Areas of Expertise CMS Part B claims 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
51 services36 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
31 services31 patients
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.
30 services30 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Norton Hospitals, Inc

Acute Care Hospitals · Louisville, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180088
Location200 East Chestnut StreetLouisville, KY 40202 · Jefferson County
Emergency services Birthing friendly

Baptist Health Louisville

Acute Care Hospitals · Louisville, KY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180130
Location4000 Kresge WayLouisville, KY 40207 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40218 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
$82.24 typical visit price
range $52.76 – $162.27
Typical copayment $20.56 (range $13.19 – $40.56)
Most-billed visit code 99203
Established Patient
$93.94 typical visit price
range $16.53 – $131.99
Typical copayment $23.48 (range $4.13 – $32.99)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 13

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

Internal Medicine (Gastroenterology)
1941 BISHOP LN STE 200
LOUISVILLE, KY 40218
Internal Medicine (Gastroenterology)
1941 BISHOP LN STE 200
LOUISVILLE, KY 40218
Nurse Practitioner (Family)
1941 BISHOP LN STE 200
LOUISVILLE, KY 40218
Internal Medicine (Gastroenterology)
1941 BISHOP LN STE 200
LOUISVILLE, KY 40218
Internal Medicine (Gastroenterology)
1941 BISHOP LN STE 200
LOUISVILLE, KY 40218
Nurse Practitioner (Family)
1941 BISHOP LN STE 200
LOUISVILLE, KY 40218
Nurse Practitioner (Family)
1941 BISHOP LN STE 200
LOUISVILLE, KY 40218
Physician Assistant
1941 BISHOP LN STE 200
LOUISVILLE, KY 40218

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 Wittmer's NPI number?

The NPI number for Katherine Wittmer is 1164164679. It was assigned to this individual provider in the NPPES registry on April 13, 2022.

Where is Katherine Wittmer located?

Katherine Wittmer practices at 1941 Bishop Ln Ste 200, Louisville, KY 40218. The listed phone number is (502) 888-1988.

What is Katherine Wittmer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Katherine Wittmer enrolled in Medicare?

Yes. Katherine Wittmer 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.

What insurance does Katherine Wittmer accept?

Health plans from CareSource list Katherine Wittmer 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 Wittmer affiliated with any hospitals?

According to CMS data, Katherine Wittmer is affiliated with Norton Hospitals, Inc and Baptist Health Louisville.

When was this NPI record last updated?

The NPPES record for Katherine Wittmer was last updated on February 16, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.