Mauro Kwek Leyba Jr, M.D.
Rheumatology Physician · Fresno, CA
Mauro Kwek Leyba Jr, M.D. is a rheumatology physician with a practice address in Fresno, California, and NPI 1730125105, issued on Jun 22, 2006. Check the license (California A41228, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mauro Kwek Leyba Jr
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A41228 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7085 N Chestnut Ave, Fresno, CA 93720
- Phone
- (559) 299-2600
- Enumerated
- Jun 22, 2006
- Record last updated
- Feb 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (559) 299-2854
- Medicaid ID
- 00A412280 CA
- Medicare enrollment
- Enrolled (PECOS I20081118000911); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Verify Mauro Kwek Leyba Jr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41228Check 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 rheumatology physician in 2024
3,108 Medicare Part D claims for 454 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 144 claims were for opioids.
Most prescribed
- Prednisone582 claims
- Methotrexate531 claims
- Gabapentin215 claims
- Hydroxychloroquine Sulfate206 claims
- Nabumetone136 claims
- Allopurinol128 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): 15.7 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: $1,763.96
98 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Mauro Kwek Leyba Jr among 926 rheumatology physician records in California
Mauro Kwek Leyba Jr, M.D. is one of 926 rheumatology 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1981 · median 2003 among the 641 with a school on file
- Record last updated2009 · 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 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Fresno → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Shelley Dhillon, MDFresno, CA 937201588127930
- Mitchell Fung, MDFresno, CA 937201205986015
- Himmat Gill, M.D.Fresno, CA 937201891728838
- Manisha Mittal, MDFresno, CA 937201154627776
- Alicia Rodriguez-Pla, MD, PHD, MPHFresno, CA 937201083050025
- Amneet Virk Dulai, MDFresno, CA 937201992911309
- Pamela Kammen, M.D.Fresno, CA 937101801813662
- Pooja Reddy, M.D.Fresno, CA 937031336550243
Common questions
What is Mauro Kwek Leyba Jr, M.D.'s NPI number?
Mauro Kwek Leyba Jr, M.D.'s National Provider Identifier (NPI) is 1730125105, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mauro Kwek Leyba Jr, M.D. located?
The NPPES record lists a practice address at 7085 N Chestnut Ave, Fresno, CA, 93720. Phone: (559) 299-2600. Providers update this record themselves, so call before visiting.
How can I verify Mauro Kwek Leyba Jr, M.D.'s license?
NPPES lists California license number A41228, 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 Mauro Kwek Leyba Jr, M.D. prescribe under Medicare Part D?
In 2024, Mauro Kwek Leyba Jr, M.D. had 3,108 Medicare Part D claims for 454 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Mauro Kwek Leyba Jr, M.D.'s MIPS final score?
The 2023 MIPS final score is 15.7 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.