Grace J. Chung
Obstetrics & Gynecology Physician · Los Angeles, CA
Grace J. Chung is an obstetrics & gynecology physician with a practice address in Los Angeles, California, and NPI 1093088726, issued on Feb 10, 2012. Check the license (California A119757, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace J. Chung
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A119757 CA
Self-reported in NPPES; status is on the state search - Practice location
- 321 S Sherbourne Dr Apt 105, Los Angeles, CA 90048
- Phone
- (714) 742-2520
- Enumerated
- Feb 10, 2012
- Record last updated
- Oct 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150119000593); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Verify Grace J. Chung in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
40 Medicare Part D claims for 23 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol21 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 GroupAnaheim, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace J. Chung among 5,088 obstetrics & gynecology physician records in California
Grace J. Chung is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2010 · median 2004 among the 2,700 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in California
There are 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Los Angeles → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Carolyn Alexander, M.D.Los Angeles, CA 900481073578332
- Paula Bernstein, MDWest Hollywood, CA 900481891788501
- Sushma Bhadauria, M.D.Los Angeles, CA 900481164472460
- Aminah Bliss, M.D.Los Angeles, CA 900481225087463
- Gregory Ewertz, M.D.Los Angeles, CA 900481841248143
- Kimberly Gregory, M.D.Los Angeles, CA 900481033192356
- Paul Hackmeyer, M.D.Los Angeles, CA 900481023042363
- Bryna Harwood, MDWest Hollywood, CA 900481255304044
Common questions
What is Grace J. Chung's NPI number?
Grace J. Chung's National Provider Identifier (NPI) is 1093088726, issued on Feb 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Grace J. Chung located?
The NPPES record lists a practice address at 321 S Sherbourne Dr Apt 105, Los Angeles, CA, 90048. Phone: (714) 742-2520. Providers update this record themselves, so call before visiting.
How can I verify Grace J. Chung's license?
NPPES lists California license number A119757, 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 Grace J. Chung prescribe under Medicare Part D?
In 2024, Grace J. Chung had 40 Medicare Part D claims for 23 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.