Jack Yanzhen Liang, M.D.
Family Medicine Physician · Victorville, CA
Jack Yanzhen Liang, M.D. is a family medicine physician with a practice address in Victorville, California, and NPI 1184944639, issued on Jun 7, 2010. Check the license (California A112255, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jack Yanzhen Liang
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A112255 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14011 Park Ave, Victorville, CA 92392
- Phone
- (888) 750-0036
- Enumerated
- Jun 7, 2010
- Record last updated
- Mar 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20111011000335); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 14011 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lillibeth Beltran, M.D.Family Medicine Physician1366634826
- Naziuh Bishay, M.D.Family Medicine Physician1114927308
- Patrick Coffey, PA-CPhysician Assistant1811399645
- Armilyn Dizon, PHARM DPharmacist1952464752
- Eugenia Ellis, PHARM DPharmacist1740343557
- Chetan Gairola, D.O.Family Medicine Physician1164866182
Verify Jack Yanzhen Liang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A112255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average family medicine physician in 2024
5,221 Medicare Part D claims for 850 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. 348 claims were for opioids.
Most prescribed
- Atorvastatin Calcium444 claims
- Lisinopril233 claims
- Amlodipine Besylate186 claims
- Losartan Potassium118 claims
- Hydrocodone-Acetaminophen114 claims
- Metformin Hcl112 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
- Southern California Permanente Medical GroupVictorville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Yanzhen Liang among 17,133 family medicine physician records in California
Jack Yanzhen Liang, 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 2010, is newer than 60% of them.
- NPI issued2010 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2005 among the 10,652 with a school on file
- Record last updated2026 · 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).
37 family medicine physician records list a practice address in Victorville
They are 37 of the 2,584 NPPES records with a practice address in Victorville, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Victorville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kelly Ahmed, MDVictorville, CA 923921659303998
- Lillibeth Beltran, M.D.Victorville, CA 923921366634826
- Naziuh Bishay, M.D.Victorville, CA 923921114927308
- Nathalia Caro, FNP-CVictorville, CA 923921841080967
- Josephine Corona, M.DVictorville, CA 923921093248296
- Chetan Gairola, D.O.Victorville, CA 923921164866182
- Claudia IzaguirreVictorville, CA 923921871313650
- Victoria Krafft, PAVictorville, CA 923921104351097
Common questions
What is Jack Yanzhen Liang, M.D.'s NPI number?
Jack Yanzhen Liang, M.D.'s National Provider Identifier (NPI) is 1184944639, issued on Jun 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jack Yanzhen Liang, M.D. located?
The NPPES record lists a practice address at 14011 Park Ave, Victorville, CA, 92392. Phone: (888) 750-0036. Providers update this record themselves, so call before visiting.
How can I verify Jack Yanzhen Liang, M.D.'s license?
NPPES lists California license number A112255, 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 Jack Yanzhen Liang, M.D. prescribe under Medicare Part D?
In 2024, Jack Yanzhen Liang, M.D. had 5,221 Medicare Part D claims for 850 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.
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.