Karen Leber, MD
Internal Medicine Physician · Tempe, AZ
Karen Leber, MD is an internal medicine physician with a practice address in Tempe, Arizona, and NPI 1942232582, issued on Jul 6, 2006. Check the license (Arizona 23106, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Leber
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 23106 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2034 E Southern Ave Ste M, Tempe, AZ 85282
- Phone
- (480) 897-2900
- Enumerated
- Jul 6, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (480) 897-0855
- Medicare enrollment
- Enrolled (PECOS I20051020000629); may accept Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Verify Karen Leber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 23106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% more Medicare Part D claims than the average internal medicine physician in 2024
4,982 Medicare Part D claims for 364 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 91 claims were for opioids.
Most prescribed
- Levothyroxine Sodium345 claims
- Atorvastatin Calcium278 claims
- Pantoprazole Sodium165 claims
- Methylprednisolone164 claims
- Losartan Potassium153 claims
- Amlodipine Besylate125 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Karen Leber among 2,853 internal medicine physician records in Arizona
Karen Leber, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1990 · median 2003 among the 1,643 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Arizona
There are 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tempe → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Feras AldaoudTempe, AZ 852821285801019
- Kenneth Anaeme, MDTempe, AZ 852821386618650
- Kimberly Bader, MDTempe, AZ 852821245223833
- Sadek Ebeid, MDTempe, AZ 852821255340816
- Romen Jha, MDTempe, AZ 852821144262072
- David Mickus, MDTempe, AZ 852821871599688
- Saeid Mohammadi, M.D.Tempe, AZ 852821194712950
- Supriya Pradhan, MDTempe, AZ 852821740702984
Common questions
What is Karen Leber, MD's NPI number?
Karen Leber, MD's National Provider Identifier (NPI) is 1942232582, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karen Leber, MD located?
The NPPES record lists a practice address at 2034 E Southern Ave Ste M, Tempe, AZ, 85282. Phone: (480) 897-2900. Providers update this record themselves, so call before visiting.
How can I verify Karen Leber, MD's license?
NPPES lists Arizona license number 23106, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen Leber, MD prescribe under Medicare Part D?
In 2024, Karen Leber, MD had 4,982 Medicare Part D claims for 364 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.