NPPES file of Aug 9, 2026

John Xuelin Li, M.D.

Internal Medicine Physician · Davis, CA

John Xuelin Li, M.D. is an internal medicine physician with a practice address in Davis, California, and NPI 1235665589, issued on May 5, 2017. Check the license (California A187640, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235665589
Name
John Xuelin Li
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A187640 CA
Self-reported in NPPES; status is on the state search
Practice location
684 Hutchison Dr, Davis, CA 95616
Phone
(530) 297-2330
Enumerated
May 5, 2017
Record last updated
Sep 5, 2023
Fax
(210) 479-2010
Medicare enrollment
Enrolled (PECOS I20231227001423); accepts Medicare assignment
Medical or professional school
Albany Medical College Of Union University, 2017
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify John Xuelin Li in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A187640
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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36% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,040 Medicare Part D claims for 420 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 91 claims were for opioids.

  1. John Li2,040
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium85 claims
  2. Rosuvastatin Calcium84 claims
  3. Levothyroxine Sodium74 claims
  4. Hydrocodone-Acetaminophen64 claims
  5. Amlodipine Besylate57 claims
  6. Metformin Hcl Er47 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.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaDavis, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Xuelin Li among 17,696 internal medicine physician records in California

John Xuelin Li, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2017 · median 2004 among the 11,065 with a school on file
  • Record last updated2023 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

33 internal medicine physician records list a practice address in Davis

They are 33 of the 1,711 NPPES records with a practice address in Davis, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thomas Alan, M.D.Davis, CA 956161235115635
  2. Allison Alcalay, M.D.Davis, CA 956161457334716
  3. Richard Blohm, M.D.Davis, CA 956161821185802
  4. David Dasilva, M.D.Davis, CA 956161316967938
  5. Peter Droubay, MDDavis, CA 956161699886200
  6. David Dycaico, MDDavis, CA 956161033297734
  7. Michelle Famula, M.D.Davis, CA 956161730256843
  8. Dermet Fong, MDDavis, CA 956161821169012

Common questions

What is John Xuelin Li, M.D.'s NPI number?

John Xuelin Li, M.D.'s National Provider Identifier (NPI) is 1235665589, issued on May 5, 2017. An NPI identifies a provider in billing; it is not a license.

Where is John Xuelin Li, M.D. located?

The NPPES record lists a practice address at 684 Hutchison Dr, Davis, CA, 95616. Phone: (530) 297-2330. Providers update this record themselves, so call before visiting.

How can I verify John Xuelin Li, M.D.'s license?

NPPES lists California license number A187640, 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 John Xuelin Li, M.D. prescribe under Medicare Part D?

In 2024, John Xuelin Li, M.D. had 2,040 Medicare Part D claims for 420 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.