David Chang, M.D.
NPI 1386628980 · Family Medicine Physician · Chula Vista, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chang, M.D. is a Family Medicine Physician provider in Chula Vista, CA (NPI 1386628980).
Provider details
- NPI number
- 1386628980
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A80980 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
245 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 132 | $159 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $97 |
| Administration of Influenza Virus VaccineG0008 | 29 | $35 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 | $137 |
| Administration of Influenza Virus VaccineG0008 | 21 | $35 |
| Admn Sarscov2 Vacc 1 Dose90480 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 108 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 297 | 44 |
| Tamsulosin Hcl | 278 | 36 |
| Metoprolol Succinate | 213 | 23 |
| Apixabanbrand: Eliquis | 190 | 15 |
| Amlodipine Besylate | 168 | 26 |
| Levothyroxine Sodium | 158 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-06
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Chang's NPI number?
- David Chang's National Provider Identifier (NPI) is 1386628980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chang's specialty?
- David Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Chang located?
- David Chang's practice location on file with NPPES is 700 E Naples Ct, Chula Vista, CA 91911-6821.
- What is David Chang's phone number?
- The practice phone number listed in the NPPES registry for David Chang is (619) 482-6010.
- Does David Chang accept Medicare?
- David Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chang's NPI active?
- Yes — David Chang's NPI (1386628980) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.