NPPES file of Aug 9, 2026

Leewen Liu, M.D.

Specialist · Saratoga, CA

Leewen Liu, M.D. is a specialist with a practice address in Saratoga, California, and NPI 1114098415, issued on Nov 10, 2006. Check the license (California G080609, as entered in NPPES) with the California board that licenses this profession; 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
1114098415
Name
Leewen Liu
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
G080609 CA
Self-reported in NPPES; status is on the state search
Practice location
19040 Cox Ave, Saratoga, CA 95070
Phone
(408) 973-8861
Enumerated
Nov 10, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(408) 973-8858
Medicare enrollment
Enrolled (PECOS I20040521000644); may accept Medicare assignment
Medical or professional school
Rush Medical College Of Rush University, 1993
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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Also registered at 19040 Cox Ave

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

  1. Alice Ruzicka, PH.D.Clinical Psychologist1992993067

Verify Leewen Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license G080609
    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
Find the California license search

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About as many Medicare Part D claims as the average specialist in 2024

1,386 Medicare Part D claims for 139 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Leewen Liu1,386
  2. Specialty average1,380

Most prescribed

  1. Atorvastatin Calcium283 claims
  2. Losartan Potassium194 claims
  3. Amlodipine Besylate186 claims
  4. Levothyroxine Sodium104 claims
  5. Metoprolol Succinate99 claims
  6. Metformin Hcl85 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.

Industry payments in 2024: $17.44

1 payment: food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leewen Liu$17.44
  2. Specialty average$4,760.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Leewen Liu among 5,749 specialist records in California

Leewen Liu, M.D. is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 60% newer
  • In a Medicare fileYes · 30% of these records are
  • In the CMS Doctors and Clinicians fileYes · 19% of these records are
  • Graduated1993 · median 1989 among the 1,075 with a school on file
  • Record last updated2007 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in California

There are 5,749 specialist records in California.

The 8 specialist records with the nearest ZIP codes

  1. Jacqueline Cheng, M.DSaratoga, CA 950701336227396
  2. Eric Carlblom, M.D.Soquel, CA 950731063434207
  3. Paige Marshall, RADTSoquel, CA 950731265950265
  4. Rami Dakkuri, MDSanta Cruz, CA 950651558318758
  5. Maya Dawson, ART PTSanta Cruz, CA 950651568536316
  6. Paul Godin, MDSanta Cruz, CA 950651972506632
  7. Paula Quinn, MDSanta Cruz, CA 950651861565376
  8. Thaila Ramanujam, MDSanta Cruz, CA 950651801999206

Common questions

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

Leewen Liu, M.D.'s National Provider Identifier (NPI) is 1114098415, issued on Nov 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leewen Liu, M.D. located?

The NPPES record lists a practice address at 19040 Cox Ave, Saratoga, CA, 95070. Phone: (408) 973-8861. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number G080609, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Leewen Liu, M.D. prescribe under Medicare Part D?

In 2024, Leewen Liu, M.D. had 1,386 Medicare Part D claims for 139 beneficiaries; the average among specialist prescribers was 1,380. 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.