Lesley Xiong, MD
Family Medicine Physician · Merced, CA
Lesley Xiong, MD is a family medicine physician with a practice address in Merced, California, and NPI 1871723858, issued on Jul 23, 2009. Check the license (California A113936, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Lesley Xiong
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A113936 CA
Self-reported in NPPES; status is on the state search - Practice location
- 535 W 25TH St, Merced, CA 95340
- Phone
- (209) 722-9066
- Enumerated
- Jul 23, 2009
- Record last updated
- Dec 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (209) 383-1522
- Medicare enrollment
- Enrolled (PECOS I20120821000451); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2009
- 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 535 W 25TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mari Mockus, NPNurse Practitioner1801948724
- Jared Paskin, MDFamily Medicine Physician1063523595
Verify Lesley Xiong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A113936Check 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% fewer Medicare Part D claims than the average family medicine physician in 2024
3,458 Medicare Part D claims for 254 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. 71 claims were for opioids.
Most prescribed
- Atorvastatin Calcium258 claims
- Lisinopril195 claims
- Amlodipine Besylate165 claims
- Alendronate Sodium127 claims
- Losartan Potassium114 claims
- Metoprolol Succinate106 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): 96.5 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: $86.47
4 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, 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
- Merced Faculty Associates Medical Group IncorporatedMerced, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lesley Xiong among 17,133 family medicine physician records in California
Lesley Xiong, 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 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 40% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2009 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 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).
94 family medicine physician records list a practice address in Merced
They are 94 of the 2,836 NPPES records with a practice address in Merced, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Merced → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Vincent Ansley, MDMerced, CA 953401871584185
- David Barabe, M.D.Merced, CA 953401255361770
- Albert Col, M.D.Merced, CA 953401952411266
- Timothy Johnston, M.D.Merced, CA 953401528097847
- Jeanette Kuizon, MDMerced, CA 953401962485243
- Aimee NagtalonMerced, CA 953401487698221
- George Nevatt, MDMerced, CA 953401538194196
- Maciej Ossowski, M. D.Merced, CA 953401346207883
Common questions
What is Lesley Xiong, MD's NPI number?
Lesley Xiong, MD's National Provider Identifier (NPI) is 1871723858, issued on Jul 23, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Lesley Xiong, MD located?
The NPPES record lists a practice address at 535 W 25TH St, Merced, CA, 95340. Phone: (209) 722-9066. Providers update this record themselves, so call before visiting.
How can I verify Lesley Xiong, MD's license?
NPPES lists California license number A113936, 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 Lesley Xiong, MD prescribe under Medicare Part D?
In 2024, Lesley Xiong, MD had 3,458 Medicare Part D claims for 254 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Lesley Xiong, MD's MIPS final score?
The 2023 MIPS final score is 96.5 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.