Keith L. Klein, M.D.,
Nephrology Physician · Beverly Hills, CA
Keith L. Klein, M.D., is a nephrology physician with a practice address in Beverly Hills, California, and NPI 1982688040, issued on Dec 2, 2005. Check the license (California G22950, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Keith L. Klein
- Credential
- M.D.,
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- G22950 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8900 Wilshire Blvd, Beverly Hills, CA 90211
- Phone
- (310) 657-9841
- Enumerated
- Dec 2, 2005
- Record last updated
- Feb 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101118000471); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1971
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 8900 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Keith L. Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G22950Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average nephrology physician in 2024
2,381 Medicare Part D claims for 204 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 84 claims were for opioids.
Most prescribed
- Atorvastatin Calcium166 claims
- Amlodipine Besylate154 claims
- Farxiga87 claims
- Azithromycin52 claims
- Losartan Potassium49 claims
- Oxycodone Hcl48 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 MIPS final score for 2023 (Medicare payment program): 76.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,660.12
56 payments; by number, the most common kind was food and beverage; the largest payer was Calliditas Therapeutics US Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Keith L. Klein among 1,468 nephrology physician records in California
Keith L. Klein, M.D., is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1971 · median 2001 among the 1,128 with a school on file
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Beverly Hills → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Jack Ditlove, M.D.Beverly Hills, CA 902111417961186
- Victor Gura, MDBeverly Hills, CA 902111932296357
- Sousan Karimi, M.D.,Beverly Hills, CA 902111497795140
- Joel Mittleman, M.D.,Beverly Hills, CA 902111346211794
- Michael Pablos Quiles, M.D.Beverly Hills, CA 902111841738291
- Sahil Parag, DOBeverly Hills, CA 902111629605001
- Kaveh Sharif, M.D.Beverly Hills, CA 902111366465825
- Samy Sharobeem, M.D.Beverly Hills, CA 902111679595870
Common questions
What is Keith L. Klein, M.D.,'s NPI number?
Keith L. Klein, M.D.,'s National Provider Identifier (NPI) is 1982688040, issued on Dec 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Keith L. Klein, M.D., located?
The NPPES record lists a practice address at 8900 Wilshire Blvd, Beverly Hills, CA, 90211. Phone: (310) 657-9841. Providers update this record themselves, so call before visiting.
How can I verify Keith L. Klein, M.D.,'s license?
NPPES lists California license number G22950, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Keith L. Klein, M.D., prescribe under Medicare Part D?
In 2024, Keith L. Klein, M.D., had 2,381 Medicare Part D claims for 204 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Keith L. Klein, M.D.,'s MIPS final score?
The 2023 MIPS final score is 76.3 of 100. 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.