Grace Chang Broderick, M.D.
NPI 1548525264 · Internal Medicine Physician · Tustin, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Chang Broderick, M.D. is a Internal Medicine Physician provider in Tustin, CA (NPI 1548525264).
Provider details
- NPI number
- 1548525264
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 135716 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 249 | 87 |
| Rosuvastatin Calcium | 148 | 53 |
| Losartan Potassium | 145 | 53 |
| Levothyroxine Sodium | 125 | 35 |
| Amlodipine Besylate | 122 | 48 |
| Lisinopril | 113 | 40 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-07-09
- Last updated
- 2021-11-22
Frequently asked questions
- What is Grace Chang Broderick's NPI number?
- Grace Chang Broderick's National Provider Identifier (NPI) is 1548525264, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Chang Broderick's specialty?
- Grace Chang Broderick is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grace Chang Broderick located?
- Grace Chang Broderick's practice location on file with NPPES is 2521 Michelle Dr, Tustin, CA 92780-7014.
- What is Grace Chang Broderick's phone number?
- The practice phone number listed in the NPPES registry for Grace Chang Broderick is (888) 988-2800.
- Does Grace Chang Broderick accept Medicare?
- Grace Chang Broderick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Chang Broderick's NPI active?
- Yes — Grace Chang Broderick's NPI (1548525264) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.