1. Home
  2. Directory
  3. Arizona
  4. Tempe
  5. Internal Medicine
  6. NPI Profile

KAREN LEBER MD
NPI 1942232582
Internal Medicine in Tempe, AZ

Active since July 06, 2006PECOS Enrolled
2034 E SOUTHERN AVE STE M, TEMPE, AZ 85282(480) 897-2900(480) 897-0855 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Jul 26, 2017 (2 updates tracked since 2017).

About Karen Leber Md NPPES

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

KAREN LEBER MD (NPI 1942232582) is an individual internal medicine provider in Tempe, Arizona, licensed in Arizona (23106) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Hahnemann University College Of Medicine (1990).

NPPES Registry Identity

NPI1942232582
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKAREN LEBERCredential: MD
Location Address2034 E SOUTHERN AVE STE MTempe, AZ 85282-7511
Mailing Address2600 E Southern Ave, Suite GTempe, AZ 85282-7610 · (602) 395-0718 · Fax (602) 277-8146
Phone(480) 897-2900
Fax(480) 897-0855
Sole ProprietorYes
Medical School CMSHahnemann University College Of MedicineGraduated 1990
Enumeration DateJuly 6, 2006
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1942232582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 23106
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 23106 (AZ)
2034 E SOUTHERN AVE STE M, Tempe, AZ 85282
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID5294751053
PECOS Enrollment IDI20051020000629
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 Karen Leber reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Karen L. Leber, M.D., P.C.
16 mi
Internal Medicine
1715 W NORTHERN AVE
Phoenix, AZ 85021
  • Reassigned Medicare billing, Arizona enrollment
NPI 1366546632 (602) 395-0718

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 3

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.
65 services38 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 services29 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85282 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
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

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers16 claims26 services$6.09 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Karen Leber's NPI number?

The NPI number for Karen Leber is 1942232582. It was assigned to this individual provider in the NPPES registry on July 6, 2006.

Where is Karen Leber located?

Karen Leber practices at 2034 E Southern Ave Ste M, Tempe, AZ 85282. The listed phone number is (480) 897-2900.

What is Karen Leber's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Karen Leber enrolled in Medicare?

Yes. Karen Leber is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karen Leber's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Leber reassigns Medicare benefits to Karen L. Leber, M.D., P.C. (Phoenix, AZ). 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 Karen Leber's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karen Leber accept?

Health plans from UnitedHealthcare list Karen Leber 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.

When was this NPI record last updated?

The NPPES record for Karen Leber was last updated on July 21, 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.