Grace Ingan Chen, M.D.
Geriatric Medicine (Internal Medicine) Physician · Los Angeles, CA
Grace Ingan Chen, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Los Angeles, California, and NPI 1770785297, issued on Jun 5, 2007. Check the license (California A93707, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Ingan Chen
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A93707 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10945 LE Conte Ave, Los Angeles, CA 90095
- Phone
- (310) 825-8253
- Enumerated
- Jun 5, 2007
- Record last updated
- Jan 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (310) 794-2199
- Medicaid ID
- 00A937070 CA
- Medicare enrollment
- Enrolled (PECOS I20080215000547); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Also registered at 10945 LE Conte Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adelita Cabagnot, NPFamily Nurse Practitioner1639250319
- Bartosz Chmielowski, MD, PHDHematology & Oncology Physician1801067897
- Carolyn ChuangPlastic and Reconstructive Surgery Physician1700313988
- Carol Chung, DOInternal Medicine Physician1841458536
- Herbert Eradat, M.D., M.S.Internal Medicine Physician1922143791
- Maristela Garcia, MDGeriatric Medicine (Internal Medicine) Physician1881813228
Verify Grace Ingan Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93707Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
2,753 Medicare Part D claims for 286 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 44 claims were for opioids.
Most prescribed
- Atorvastatin Calcium190 claims
- Amlodipine Besylate164 claims
- Levothyroxine Sodium101 claims
- Losartan Potassium91 claims
- Eliquis88 claims
- Mirtazapine76 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
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Ingan Chen among 532 geriatric medicine (internal medicine) physician records in California
Grace Ingan Chen, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 54% of them.
- NPI issued2007 · 54% of these records are older, 34% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2004 · median 1999 among the 271 with a school on file
- Record last updated2012 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Los Angeles → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Susan Charette, MDLos Angeles, CA 900951447285341
- Joshua Chodosh, MDLos Angeles, CA 900951245265040
- Maristela Garcia, MDLos Angeles, CA 900951881813228
- Gail Greendale, MDLos Angeles, CA 900951750309381
- Patricia Harris, MDLos Angeles, CA 900951912953506
- Peifeng Hu, MDLos Angeles, CA 900951336168186
- Shinya Ishii, M.D.Los Angeles, CA 900951164545976
- Arun Karlamangla, MDLos Angeles, CA 900951477572030
Common questions
What is Grace Ingan Chen, M.D.'s NPI number?
Grace Ingan Chen, M.D.'s National Provider Identifier (NPI) is 1770785297, issued on Jun 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Grace Ingan Chen, M.D. located?
The NPPES record lists a practice address at 10945 LE Conte Ave, Los Angeles, CA, 90095. Phone: (310) 825-8253. Providers update this record themselves, so call before visiting.
How can I verify Grace Ingan Chen, M.D.'s license?
NPPES lists California license number A93707, 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 Ingan Chen, M.D. prescribe under Medicare Part D?
In 2024, Grace Ingan Chen, M.D. had 2,753 Medicare Part D claims for 286 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.