Kenneth Klein
Internal Medicine Physician · Phoenix, AZ
Kenneth Klein is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1215321153, issued on Mar 27, 2015. Check the license (Arizona 007066, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kenneth Klein
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 007066 AZ
3271963 ID
Self-reported in NPPES; status is on the state search - Practice location
- 1111 E Mcdowell RD, Phoenix, AZ 85006
- Phone
- (724) 562-8249
- Enumerated
- Mar 27, 2015
- Record last updated
- Jun 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20250624002501); accepts Medicare assignment
- Medical or professional school
- West Virginia School Of Osteopathic Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1111 E Mcdowell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kenneth Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 007066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
461 Medicare Part D claims for 204 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 51 claims were for opioids.
Most prescribed
- Oxycodone Hcl29 claims
- Amoxicillin-Clavulanate Potass25 claims
- Pantoprazole Sodium25 claims
- Atorvastatin Calcium20 claims
- Eliquis16 claims
- Ciprofloxacin Hcl15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 92.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Banner - University Hospital Based Physicians LLCPhoenix, AZ
- Saint Alphonsus Regional Medical Center IncBoise, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth Klein among 2,853 internal medicine physician records in Arizona
Kenneth Klein 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 2015, is newer than 70% of them.
- NPI issued2015 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 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).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Lynn Crocker, D.O.Phoenix, AZ 850061558357947
- Charles David, D.O.Phoenix, AZ 850061669447652
- Lorna Honan, MDPhoenix, AZ 850061154395531
- Holger Kranich, M.D.Phoenix, AZ 850061780660266
- Marc Lee, MDPhoenix, AZ 850061962498709
- Stephen Leshin, M.D.Phoenix, AZ 850061396742771
- Anita Murcko, M.D.Phoenix, AZ 850061477558757
Common questions
What is Kenneth Klein's NPI number?
Kenneth Klein's National Provider Identifier (NPI) is 1215321153, issued on Mar 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Klein located?
The NPPES record lists a practice address at 1111 E Mcdowell RD, Phoenix, AZ, 85006. Phone: (724) 562-8249. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Klein's license?
NPPES lists Arizona license number 007066, 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 Kenneth Klein prescribe under Medicare Part D?
In 2024, Kenneth Klein had 461 Medicare Part D claims for 204 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Kenneth Klein's MIPS final score?
The 2023 MIPS final score is 92.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.