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KRISTINA L DIEHN
NPI 1013305200
Nurse Practitioner - Gerontology in Franklin, WI

Active since December 23, 2014PECOS EnrolledAccepts Medicare Assignment
9969 S 27TH ST FL 2, FRANKLIN, WI 53132(414) 325-4950(414) 325-6372 Get Directions Write a Review

NPPES record last updated: February 14, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Kristina L Diehn NPPES

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

KRISTINA L DIEHN (NPI 1013305200) is an individual gerontology provider in Franklin, Wisconsin, licensed in Wisconsin (6175) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS, is affiliated with Ascension St Francis Hospital, and maintains a secondary practice location in Cudahy.

NPPES Registry Identity

NPI1013305200
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameKRISTINA L DIEHN
Location Address9969 S 27TH ST FL 2Franklin, WI 53132-9533
Mailing Address5900 S Lake Dr Lowr LevelCudahy, WI 53110-3171 · (414) 744-4000 · Fax (414) 489-4022
Phone(414) 325-4950
Fax(414) 325-6372
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2014
Enumeration DateDecember 23, 2014
Last NPPES UpdateFebruary 14, 2025
NPPES CertifiedFebruary 14, 2025
✔ NPI 1013305200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in WI · 6175
9969 S 27TH ST FL 2, Franklin, WI 53132
Open in Google Maps ↗

Other Names 1

Former Name (1)Kristina L Hertel

Secondary Practice Location 1

Location 15900 S Lake DrCudahy, WI 53110-3171 · Phone (414) 744-4000 · Fax (414) 489-4022

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Network 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

Kristina L Diehn 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 ID6103138268
PECOS Enrollment IDI20150701001938
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

3

Medicare enrollment records show Kristina Diehn reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pulmonary & Critical Care Associates S C
7.3 mi
Medical Specialty
5900 S LAKE DR
Cudahy, WI 53110
  • Reassigned Medicare billing, Wisconsin enrollment
  • 7 clinicians in this Medicare group
NPI 1104938331 (414) 744-4000
Aurora Medical Group, Inc.
9.2 mi
Family Medicine
3301 W FOREST HOME AVE
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1427271378 (877) 576-3544
Ascension Medical Group-Southeast Wisconsin Inc
14 mi
Anesthesiology
2301 N LAKE DR
Milwaukee, WI 53211
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,343 clinicians in this Medicare group
NPI 1194473066 (414) 585-1000

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

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 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.
76 services50 patients

Hospital Affiliations CMS Care Compare 2

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

Ascension St Francis Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520078
Location3237 S 16th StMilwaukee, WI 53215 · Milwaukee County
Emergency services

Ascension SE Wisconsin Hospital

Acute Care Hospitals · Milwaukee, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number520136
Location5000 W Chambers StMilwaukee, WI 53210 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53132 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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 8

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

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
7 suppliers18 claims18 services$33.08 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers11 claims64 services$15.61 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
5 suppliers14 claims14 services$48.10 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
5 suppliers12 claims12 services$16.07 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
7 suppliers20 claims120 services$1.73 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers21 claims21 services$31.78 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.

IRYNA O JANKO FNP
Nurse Practitioner (Family)
9969 S 27TH ST FL 2
FRANKLIN, WI 53132
Milwaukee County (414) 325-4940

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 Diehn's NPI number?

The NPI number for Kristina Diehn is 1013305200. It was assigned to this individual provider in the NPPES registry on December 23, 2014. The provider is also known as Kristina L Hertel.

Where is Kristina Diehn located?

Kristina Diehn practices at 9969 S 27th St Fl 2, Franklin, WI 53132. The listed phone number is (414) 325-4950.

What is Kristina Diehn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Kristina Diehn enrolled in Medicare?

Yes. Kristina Diehn 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 Kristina Diehn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristina Diehn reassigns Medicare benefits to 3 organizations: Pulmonary & Critical Care Associates S C (Cudahy, WI), Aurora Medical Group, Inc. (Milwaukee, WI) and Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI). 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 Kristina Diehn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristina Diehn accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Network Health and Quartz list Kristina Diehn 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 Kristina Diehn affiliated with any hospitals?

According to CMS data, Kristina Diehn is affiliated with Ascension St Francis Hospital and Ascension SE Wisconsin Hospital.

When was this NPI record last updated?

The NPPES record for Kristina Diehn was last updated on February 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.