Annie Chang
NPI 1396191995 · Family Medicine Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Chang is a Family Medicine Physician provider in Ventura, CA (NPI 1396191995).
Provider details
- NPI number
- 1396191995
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 69 | 23 |
| Gabapentin | 54 | 16 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 41 | — |
| Amlodipine Besylate | 41 | 18 |
| Lisinopril | 31 | 14 |
| Pregabalin | 23 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-12
- Last updated
- 2019-05-03
Frequently asked questions
- What is Annie Chang's NPI number?
- Annie Chang's National Provider Identifier (NPI) is 1396191995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Annie Chang's specialty?
- Annie Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Annie Chang located?
- Annie Chang's practice location on file with NPPES is 3291 Loma Vista Rd, Ventura, CA 93003-3099.
- What is Annie Chang's phone number?
- The practice phone number listed in the NPPES registry for Annie Chang is (805) 652-9100.
- Does Annie Chang accept Medicare?
- Annie Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Annie Chang's NPI active?
- Yes — Annie Chang's NPI (1396191995) is active in the NPPES registry as of the last update on 2019-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.