Grace Namjung Liu, MD
Anatomic Pathology & Clinical Pathology Physician · Downey, CA
Grace Namjung Liu, MD is an anatomic pathology & clinical pathology physician with a practice address in Downey, California, and NPI 1053555003, issued on Apr 21, 2009. Check the license (California A115335, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Namjung Liu
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A115335 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9333 Imperial Hwy, Downey, CA 90242
- Phone
- (562) 657-8674
- Enumerated
- Apr 21, 2009
- Record last updated
- Feb 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20160517000574); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2009
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Also registered at 9333 Imperial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fariba Amini, RCPRegistered Respiratory Therapist1962984302
- Orland AndayaRegistered Respiratory Therapist1598247751
- Michelle Andersen, D.P.T.Physical Therapist1295165231
Verify Grace Namjung Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A115335Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Namjung Liu among 1,554 anatomic pathology & clinical pathology physician records in California
Grace Namjung Liu, MD is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 62% of them.
- NPI issued2009 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2009 · median 2003 among the 891 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 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in Downey → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Allison Zemek, MDDowney, CA 902421255775698
- Heshmat Cook, M.D.Downey, CA 902411639275324
- Lindsay Zamis Dellamaggiora, M.D.Downey, CA 902411083863112
- William Power, M.D.Gardena, CA 902471235126079
- Cyrus Oster, M.D.Culver City, CA 902321285995183
- Kenneth Clark, M.D.Culver City, CA 902301093012783
- Barbara Biela, M.D., PH.D.Lynwood, CA 902621669575593
- Gary Garshfield, MDLynwood, CA 902621013971738
Common questions
What is Grace Namjung Liu, MD's NPI number?
Grace Namjung Liu, MD's National Provider Identifier (NPI) is 1053555003, issued on Apr 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Grace Namjung Liu, MD located?
The NPPES record lists a practice address at 9333 Imperial Hwy, Downey, CA, 90242. Phone: (562) 657-8674. Providers update this record themselves, so call before visiting.
How can I verify Grace Namjung Liu, MD's license?
NPPES lists California license number A115335, 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. 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.