Grace Choi
Nephrology Physician · Los Angeles, CA
Grace Choi is a nephrology physician with a practice address in Los Angeles, California, and NPI 1831585074, issued on Apr 14, 2015. Check the license (California 148454, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Choi
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 148454 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 S Grand Ave Ste 800, Los Angeles, CA 90015
- Phone
- (213) 748-1414
- Enumerated
- Apr 14, 2015
- Record last updated
- Nov 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20201202002699); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 1400 S Grand Ave Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Cheng, MDNephrology Physician1538600887
- Yecenia Cueva, NURSE PRACTITIONERFamily Nurse Practitioner1184198624
- Luani Lee, M.D.Nephrology Physician1073747135
- Irene Toh, M.D.Nephrology Physician1679613863
- Lin WangNephrology Physician1366974859
Verify Grace Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 148454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% fewer Medicare Part D claims than the average nephrology physician in 2024
656 Medicare Part D claims for 175 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Amlodipine Besylate51 claims
- Losartan Potassium49 claims
- Furosemide45 claims
- Epogen37 claims
- Farxiga32 claims
- Hydralazine Hcl31 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: $2,634.15
14 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cedars-Sinai Medical Care FoundationLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Choi among 1,468 nephrology physician records in California
Grace Choi is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 87% of them.
- NPI issued2015 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2015 · median 2001 among the 1,128 with a school on file
- Record last updated2023 · 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 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Los Angeles → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Jonathan Cheng, MDLos Angeles, CA 900151538600887
- Bruce Greenfield, M.D.Los Angeles, CA 900151043224686
- Kim Le, M.D.Los Angeles, CA 900151780698340
- Luani Lee, M.D.Los Angeles, CA 900151073747135
- Ardavan Mashhadian, D.O.Los Angeles, CA 900151003132523
- Leon Rovner, M.D.Los Angeles, CA 900151811013766
- Irene Toh, M.D.Los Angeles, CA 900151679613863
- Lin WangLos Angeles, CA 900151366974859
Common questions
What is Grace Choi's NPI number?
Grace Choi's National Provider Identifier (NPI) is 1831585074, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Grace Choi located?
The NPPES record lists a practice address at 1400 S Grand Ave Ste 800, Los Angeles, CA, 90015. Phone: (213) 748-1414. Providers update this record themselves, so call before visiting.
How can I verify Grace Choi's license?
NPPES lists California license number 148454, 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 Choi prescribe under Medicare Part D?
In 2024, Grace Choi had 656 Medicare Part D claims for 175 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.