NPPES file of Aug 9, 2026

Grace Hwang, M.D.

Family Medicine Physician · Redondo Beach, CA

Grace Hwang, M.D. is a family medicine physician with a practice address in Redondo Beach, California, and NPI 1508971243, issued on Aug 21, 2006. Check the license (California A80874, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508971243
Name
Grace Hwang
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A80874 CA
Self-reported in NPPES; status is on the state search
Practice location
520 N Prospect Ave Ste 103, Redondo Beach, CA 90277
Phone
(310) 376-8816
Enumerated
Aug 21, 2006
Record last updated
Nov 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(310) 374-2806
Medicaid ID
00A808740 CA
Medicare enrollment
Enrolled (PECOS I20040809001497); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2001
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 520 N Prospect Ave Ste 103

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

  1. Weip Chen, M.D.Internal Medicine Physician1295754281
  2. Joshua ChouFamily Medicine Physician1922528942
  3. Julie Delilly, M.DInternal Medicine Physician1790890408
  4. Gabriele Engelhardt, M.D.Internal Medicine Physician1992810634
  5. Seema Johnston, M.D.Internal Medicine Physician1215378245
  6. Alison Kole, DOFamily Medicine Physician1821457250

Verify Grace Hwang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A80874
    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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96% fewer Medicare Part D claims than the average family medicine physician in 2024

150 Medicare Part D claims for 79 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Grace Hwang150
  2. Specialty average3,544

Most prescribed

  1. Repatha Sureclick12 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

  1. Providence Medical InstituteManhattan Beach, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Grace Hwang among 17,133 family medicine physician records in California

Grace Hwang, 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. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2001 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 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).

46 family medicine physician records list a practice address in Redondo Beach

They are 46 of the 1,513 NPPES records with a practice address in Redondo Beach, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Eric Arosemena, M.DRedondo Beach, CA 902771962479337
  2. Diana Chang, M.D.Redondo Beach, CA 902771235105198
  3. Judy Chen, M.D.Redondo Beach, CA 902771083657100
  4. James Dougher, M.D.Redondo Beach, CA 902771477596617
  5. Cynthia FisherRedondo Beach, CA 902771912973843
  6. Kavitha Kotrappa, M.D.Redondo Beach, CA 902771376505263
  7. Gail LeveeRedondo Beach, CA 902771578500021
  8. Stanford Matsuno, MDRedondo Beach, CA 902771174592976

Common questions

What is Grace Hwang, M.D.'s NPI number?

Grace Hwang, M.D.'s National Provider Identifier (NPI) is 1508971243, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Grace Hwang, M.D. located?

The NPPES record lists a practice address at 520 N Prospect Ave Ste 103, Redondo Beach, CA, 90277. Phone: (310) 376-8816. Providers update this record themselves, so call before visiting.

How can I verify Grace Hwang, M.D.'s license?

NPPES lists California license number A80874, 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 Hwang, M.D. prescribe under Medicare Part D?

In 2024, Grace Hwang, M.D. had 150 Medicare Part D claims for 79 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.