John T. Liu, MD
Internal Medicine Physician · Los Angeles, CA
John T. Liu, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1881734465, issued on Feb 6, 2007. Check the license (California A69994, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John T. Liu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A69994 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 Wilshire Blvd, Los Angeles, CA 90017
- Phone
- (213) 484-8474
- Enumerated
- Feb 6, 2007
- Record last updated
- Mar 7, 2023
- Fax
- (213) 484-9054
- Medicare enrollment
- Enrolled (PECOS I20070607000733); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1245 Wilshire Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John T. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A69994Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average internal medicine physician in 2024
3,445 Medicare Part D claims for 224 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 47 claims were for opioids.
Most prescribed
- Gabapentin142 claims
- Atorvastatin Calcium127 claims
- Metformin Hcl119 claims
- Furosemide101 claims
- Famotidine91 claims
- Rosuvastatin Calcium82 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): 12.8 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: $285.24
6 payments; by number, the most common kind was food and beverage; the largest payer was CVRx, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
John T. Liu among 17,696 internal medicine physician records in California
John T. Liu, MD 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1997 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Alexis Hoen, MDLos Angeles, CA 900171043281926
- William Howell, M.D.Los Angeles, CA 900171518999143
- Terry Jerge, M.D.Los Angeles, CA 900171396717591
- Thomas Kanegae, M.D.Los Angeles, CA 900171902805914
- Ashraf Khan, MDLos Angeles, CA 900171134119894
Common questions
What is John T. Liu, MD's NPI number?
John T. Liu, MD's National Provider Identifier (NPI) is 1881734465, issued on Feb 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John T. Liu, MD located?
The NPPES record lists a practice address at 1245 Wilshire Blvd, Los Angeles, CA, 90017. Phone: (213) 484-8474. Providers update this record themselves, so call before visiting.
How can I verify John T. Liu, MD's license?
NPPES lists California license number A69994, 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 T. Liu, MD prescribe under Medicare Part D?
In 2024, John T. Liu, MD had 3,445 Medicare Part D claims for 224 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John T. Liu, MD's MIPS final score?
The 2023 MIPS final score is 12.8 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.