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ALDEN KLARER
NPI 1104211341
Radiology - Radiation Oncology in Louisville, KY

Active since April 04, 2015PECOS EnrolledAccepts Medicare Assignment
73.19/100
CMS Quality Rating
529 SOUTH JACKSON, INTERNAL MEDICINE, ACB 3RD FLOOR, LOUISVILLE, KY 40202(502) 561-2700 Get Directions Write a Review

NPPES record last updated: October 5, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2020, Sep 30, 2020, Sep 29, 2016 (3 updates tracked since 2016).

About Alden Klarer NPPES

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

ALDEN KLARER (NPI 1104211341) is an individual radiation oncology provider in Louisville, Kentucky, licensed in Kentucky (TP565) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Jewish Hospital & St Mary's Healthcare, and is a graduate of University Of Louisville School Of Medicine (2015).

NPPES Registry Identity

NPI1104211341
Entity TypeIndividualFemale
Primary Taxonomy2085R0001X
Provider Legal NameALDEN KLARER
Location Address529 SOUTH JACKSON, INTERNAL MEDICINE, ACB 3RD FLOORLouisville, KY 40202-1622
Mailing AddressPo Box 909Louisville, KY 40201-0909
Phone(502) 561-2700
Sole ProprietorNo
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2015
Enumeration DateApril 4, 2015
Last NPPES UpdateOctober 5, 20203 updates tracked since enumeration
NPPES CertifiedOctober 3, 2020
✔ NPI 1104211341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in KY · TP565✔ Licensed in KY · R3825
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
529 SOUTH JACKSON, Louisville, KY 40202
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter of Tennessee 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

Alden Klarer 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 ID8729388103
PECOS Enrollment IDI20201013003082
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 Alden Klarer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Louisville Physicians, Inc.
Same address
Radiation Oncology
529 S JACKSON ST, RADIATION ONCOLOGY
Louisville, KY 40202
  • Reassigned Medicare billing, Kentucky enrollment
  • 2,337 clinicians in this Medicare group
NPI 1124375936 (502) 562-4360

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 13

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.

Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
194 services42 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
97 services33 patients
Ct guidance for insertion of radiation therapy fields 77014
CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.
81 services24 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
53 services31 patients
Complex radiation therapy planning 77263
Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.
51 services46 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
38 services38 patients

Hospital Affiliations CMS Care Compare 2

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

Jewish Hospital & St Mary's Healthcare

Acute Care Hospitals · Louisville, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180040
Location200 Abraham Flexner WayLouisville, KY 40202 · Jefferson County
Emergency services

University Of Louisville Hospital

Acute Care Hospitals · Louisville, KY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180141
Location530 South Jackson StreetLouisville, KY 40202 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40202 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
$162.27 typical visit price
range $52.76 – $162.27
Typical copayment $40.56 (range $13.19 – $40.56)
Most-billed visit code 99205
Established Patient
$66.24 typical visit price
range $16.53 – $131.99
Typical copayment $16.56 (range $4.13 – $32.99)
Most-billed visit code 99213
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.

73.19/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality58.74
Promoting Interoperability100
Improvement Activities40
Cost51.91

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 Alden Klarer's NPI number?

The NPI number for Alden Klarer is 1104211341. It was assigned to this individual provider in the NPPES registry on April 4, 2015.

Where is Alden Klarer located?

Alden Klarer practices at 529 South Jackson Internal Medicine, Acb 3rd Floor, Louisville, KY 40202. The listed phone number is (502) 561-2700.

What is Alden Klarer's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Alden Klarer enrolled in Medicare?

Yes. Alden Klarer 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 Alden Klarer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alden Klarer reassigns Medicare benefits to University Of Louisville Physicians, Inc. (Louisville, KY). 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 Alden Klarer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alden Klarer accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield list Alden Klarer 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 Alden Klarer affiliated with any hospitals?

According to CMS data, Alden Klarer is affiliated with Jewish Hospital & St Mary's Healthcare and University Of Louisville Hospital.

When was this NPI record last updated?

The NPPES record for Alden Klarer was last updated on October 5, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.