Ronald Kleyn, MD
Family Medicine Physician · Fresno, CA
Ronald Kleyn, MD is a family medicine physician with a practice address in Fresno, California, and NPI 1760476386, issued on Sep 9, 2005. Check the license (California A42548, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ronald Kleyn
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A42548 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6331 N Fresno St Ste 104, Fresno, CA 93710
- Phone
- (559) 437-2700
- Enumerated
- Sep 9, 2005
- Record last updated
- Mar 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (559) 437-2712
- Medicare enrollment
- Enrolled (PECOS I20080305000691); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1982
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 6331 N Fresno St Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lily Klug, FNP-CNurse Practitioner1467933903
Verify Ronald Kleyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A42548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average family medicine physician in 2024
10,182 Medicare Part D claims for 653 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 619 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium414 claims
- Levothyroxine Sodium374 claims
- Amlodipine Besylate352 claims
- Atorvastatin Calcium310 claims
- Lisinopril302 claims
- Losartan Potassium236 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): 85.8 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: $271.75
12 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Community Foundation Medical GroupFresno, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Kleyn among 17,133 family medicine physician records in California
Ronald Kleyn, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1982 · median 2005 among the 10,652 with a school on file
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
237 family medicine physician records list a practice address in Fresno
They are 237 of the 19,440 NPPES records with a practice address in Fresno, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Fresno → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Diego Allende, D.O.Fresno, CA 937101568789097
- Herbert Blossom, MDFresno, CA 937101538310917
- Palwinder Dhanjan, MDFresno, CA 937101174086508
- Agustina Garzon Lopez, M.D.Fresno, CA 937101184914202
- Danielle Harik, DOFresno, CA 937101902225816
- May Heu, M.D.Fresno, CA 937101427011964
- Michael Moya, M.D.Fresno, CA 937101407146269
- Nidia Payan, M.D.Fresno, CA 937101477855344
Common questions
What is Ronald Kleyn, MD's NPI number?
Ronald Kleyn, MD's National Provider Identifier (NPI) is 1760476386, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Kleyn, MD located?
The NPPES record lists a practice address at 6331 N Fresno St Ste 104, Fresno, CA, 93710. Phone: (559) 437-2700. Providers update this record themselves, so call before visiting.
How can I verify Ronald Kleyn, MD's license?
NPPES lists California license number A42548, 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 Ronald Kleyn, MD prescribe under Medicare Part D?
In 2024, Ronald Kleyn, MD had 10,182 Medicare Part D claims for 653 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ronald Kleyn, MD's MIPS final score?
The 2023 MIPS final score is 85.8 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.