NPPES file of Aug 9, 2026

Yi Liu, M.D.

Family Medicine Physician · Highland, CA

Yi Liu, M.D. is a family medicine physician with a practice address in Highland, California, and NPI 1659306710, issued on Jul 11, 2006. Check the license (California A84623, 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
1659306710
Name
Yi Liu
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A84623 CA
Self-reported in NPPES; status is on the state search
Practice location
7000 Boulder Ave, Highland, CA 92346
Phone
(909) 862-1191
Enumerated
Jul 11, 2006
Record last updated
Dec 30, 2025
Medicaid ID
00A846230 CA
Medicare enrollment
Enrolled (PECOS I20050627000507); accepts Medicare assignment
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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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 7000 Boulder Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amin Abdelmeseeh, MDFamily Medicine Physician1699823518
  2. Saad Aldaoud, MDInternal Medicine Physician1992297717
  3. Thaung Aung, M.D.Internal Medicine Physician1598196255
  4. Redentor Bacani, PA-CMedical Physician Assistant1487725693
  5. Brian Beitel, M.D.Obstetrics & Gynecology Physician1710922141
  6. Marian Beshara, M.D.Internal Medicine Physician1982649448

Verify Yi Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A84623    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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93% fewer Medicare Part D claims than the average family medicine physician in 2024

246 Medicare Part D claims for 200 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Yi Liu246
  2. Specialty average3,544

Most prescribed

  1. Azithromycin34 claims
  2. Ciprofloxacin Hcl21 claims
  3. Amoxicillin-Clavulanate Potass18 claims
  4. Prednisone16 claims
  5. Cephalexin14 claims
  6. Baclofen13 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. Beaver Medical Group P CHighland, CA

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

Yi Liu among 17,133 family medicine physician records in California

Yi Liu, M.D. 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1985 · median 2005 among the 10,652 with a school on file
  • Record last updated2025 · 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).

30 family medicine physician records list a practice address in Highland

They are 30 of the 399 NPPES records with a practice address in Highland, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Highland → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Randall Coriell, M.D.Highland, CA 923461912931056
  2. Lloyd Costello, M.D.Highland, CA 923461922059831
  3. Mohammed Elsayed, MDHighland, CA 923461821033424
  4. Philip Lee, M.D.Highland, CA 923461255387320
  5. Michael Leong, M.D.Highland, CA 923461639125354
  6. Kenneth McCarty, M.D.Highland, CA 923461811922685
  7. Anh Nong, M.D.Highland, CA 923461164477436
  8. Carey Paul, M.D.Highland, CA 923461376594804

Common questions

What is Yi Liu, M.D.'s NPI number?

Yi Liu, M.D.'s National Provider Identifier (NPI) is 1659306710, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yi Liu, M.D. located?

The NPPES record lists a practice address at 7000 Boulder Ave, Highland, CA, 92346. Phone: (909) 862-1191. Providers update this record themselves, so call before visiting.

How can I verify Yi Liu, M.D.'s license?

NPPES lists California license number A84623, 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 Yi Liu, M.D. prescribe under Medicare Part D?

In 2024, Yi Liu, M.D. had 246 Medicare Part D claims for 200 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.