Grace Chang Broderick, M.D.
Internal Medicine Physician · Tustin, CA
Grace Chang Broderick, M.D. is an internal medicine physician with a practice address in Tustin, California, and NPI 1548525264, issued on Jul 9, 2012. Check the license (California 135716, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Chang Broderick
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 135716 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2521 Michelle Dr, Tustin, CA 92780
- Phone
- (888) 988-2800
- Enumerated
- Jul 9, 2012
- Record last updated
- Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151111001666); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2012
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2521 Michelle Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Ruppert, D.O.Family Medicine Physician1346372026
- Christine Truong, O.D.Optometrist1487092581
Verify Grace Chang Broderick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 135716Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,571 Medicare Part D claims for 299 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium249 claims
- Rosuvastatin Calcium148 claims
- Losartan Potassium145 claims
- Levothyroxine Sodium125 claims
- Amlodipine Besylate122 claims
- Lisinopril113 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 Chang Broderick among 17,696 internal medicine physician records in California
Grace Chang Broderick, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 68% of them.
- NPI issued2012 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 internal medicine physician records list a practice address in Tustin
They are 34 of the 2,221 NPPES records with a practice address in Tustin, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Tustin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mohamed Al-Sadek, M.D.Tustin, CA 927801154353829
- Susan Ban, M.D.Tustin, CA 927801053324970
- Bernard Bennett, MDTustin, CA 927801871568899
- Jacqueline Do, M.D.Tustin, CA 927801689646952
- Huong Duong, M.D.Tustin, CA 927801013020437
- Daniel Eichinger, DOTustin, CA 927801598724015
- Pin-Hung Hsieh, M.D.Tustin, CA 927801144323064
- Thomas Hwang, M.D.Tustin, CA 927801124039722
Common questions
What is Grace Chang Broderick, M.D.'s NPI number?
Grace Chang Broderick, M.D.'s National Provider Identifier (NPI) is 1548525264, issued on Jul 9, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Grace Chang Broderick, M.D. located?
The NPPES record lists a practice address at 2521 Michelle Dr, Tustin, CA, 92780. Phone: (888) 988-2800. Providers update this record themselves, so call before visiting.
How can I verify Grace Chang Broderick, M.D.'s license?
NPPES lists California license number 135716, 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 Chang Broderick, M.D. prescribe under Medicare Part D?
In 2024, Grace Chang Broderick, M.D. had 2,571 Medicare Part D claims for 299 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.