Walter Franklin Klein, M.D.
Pulmonary Disease Physician · Moreno Valley, CA
Walter Franklin Klein, M.D. is a pulmonary disease physician with a practice address in Moreno Valley, California, and NPI 1366645491, issued on Jun 6, 2007. Check the license (California A97881, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Walter Franklin Klein
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A97881 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26520 Cactus Ave, Moreno Valley, CA 92555
- Phone
- (951) 486-5700
- Enumerated
- Jun 6, 2007
- Record last updated
- Apr 18, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (951) 486-5705
- Medicare enrollment
- Enrolled (PECOS I20081111000266); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 26520 Cactus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ihab Abed, MDStudent in an Organized Health Care Education/Training Program1912830514
- Mohamed Abu-Qaoud, M.D.Internal Medicine Physician1366635534
- Barbara Ackerman, PH.D.Clinical Psychologist1639126410
- Sana Afroz, MDRheumatology Physician1356724074
- Georgina Aguilar-Portillo, MDFamily Medicine Physician1144804691
- Adolfo Aguilera, MDFamily Medicine Physician1477609808
Verify Walter Franklin Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A97881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
154 Medicare Part D claims for 56 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Albuterol Sulfate Hfa30 claims
- Trelegy Ellipta21 claims
- Prednisone14 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): 85.5 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).
Industry payments in 2024: $3,076.98
7 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 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.
Bills Medicare through one group practice
- Riverside Faculty Medical Group IncMoreno Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter Franklin Klein among 1,443 pulmonary disease physician records in California
Walter Franklin Klein, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 40% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2005 · median 2002 among the 1,061 with a school on file
- Record last updated2015 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Moreno Valley → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Ramiz Fargo, M.D.Moreno Valley, CA 925551699705509
- Aarti Mittal, D.O.Moreno Valley, CA 925551194035691
- Elaine NguyenMoreno Valley, CA 925551386092815
- Suman Thapamagar, M.D.Moreno Valley, CA 925551538484936
- Destry Washburn, D.O.Moreno Valley, CA 925551992021463
- Munif Salek, M.D.Murrieta, CA 925631891890901
- Stefan Sien, D.O.Murrieta, CA 925631932319464
- Yurzul Dhanani, MDHemet, CA 925431023184322
Common questions
What is Walter Franklin Klein, M.D.'s NPI number?
Walter Franklin Klein, M.D.'s National Provider Identifier (NPI) is 1366645491, issued on Jun 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Walter Franklin Klein, M.D. located?
The NPPES record lists a practice address at 26520 Cactus Ave, Moreno Valley, CA, 92555. Phone: (951) 486-5700. Providers update this record themselves, so call before visiting.
How can I verify Walter Franklin Klein, M.D.'s license?
NPPES lists California license number A97881, 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 Walter Franklin Klein, M.D. prescribe under Medicare Part D?
In 2024, Walter Franklin Klein, M.D. had 154 Medicare Part D claims for 56 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Walter Franklin Klein, M.D.'s MIPS final score?
The 2023 MIPS final score is 85.5 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.