NPPES file of Aug 9, 2026

Ingrid Liu, M.D.

Family Medicine Physician · Torrance, CA

Ingrid Liu, M.D. is a family medicine physician with a practice address in Torrance, California, and NPI 1871535328, issued on Jun 11, 2006. Check the license (California G43687, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1871535328
Name
Ingrid Liu
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G43687 CA
Self-reported in NPPES; status is on the state search
Practice location
21840 Normandie Ave, Torrance, CA 90502
Phone
(310) 534-6221
Enumerated
Jun 11, 2006
Record last updated
Mar 11, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(310) 326-7205
Medicaid ID
00G436870 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). 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 21840 Normandie Ave

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

  1. Sudhir Anand, M.D.Pediatric Nephrology Physician1750360426
  2. Thomas Anderson, MDNeurology Physician1750304234
  3. Morris Asch, M.D.Pediatric Surgery Physician1619957784
  4. Lilly Barba, M.D.Nephrology Physician1407835978
  5. Peter Barrett, M.D.Internal Medicine Physician1568441954
  6. Barry Baylen, M.D.Pediatric Cardiology Physician1346229879

Verify Ingrid 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 G43687    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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Ingrid Liu among 17,133 family medicine physician records in California

Ingrid 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 not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2008 · 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).

114 family medicine physician records list a practice address in Torrance

They are 114 of the 8,901 NPPES records with a practice address in Torrance, and 17,133 family medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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

The 8 family medicine physician records with the nearest ZIP codes

  1. Daniel Castro, M.D.Torrance, CA 905021174684567
  2. John Cheng, M.D.Torrance, CA 905021396806204
  3. Susan Hsieh, M.D.Torrance, CA 905021235168576
  4. James Huang, M.D.Torrance, CA 905021194879718
  5. Dennis Levin, M.D.Torrance, CA 905021649226341
  6. Robyn Mitchell, M.D.Torrance, CA 905021710004940
  7. Denise Moret, MDTorrance, CA 905021417046087
  8. Zuhra Musherraf, D.O.Torrance, CA 905021033325584

Common questions

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

Ingrid Liu, M.D.'s National Provider Identifier (NPI) is 1871535328, issued on Jun 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ingrid Liu, M.D. located?

The NPPES record lists a practice address at 21840 Normandie Ave, Torrance, CA, 90502. Phone: (310) 534-6221. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number G43687, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.