Jinnie Chang, MD
NPI 1316507643 · Family Medicine Physician · French Camp, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jinnie Chang, MD is a Family Medicine Physician provider in French Camp, CA (NPI 1316507643).
Provider details
- NPI number
- 1316507643
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A181910 (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
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
232 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 102 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 49 | $116 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 34 | $128 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 31 | $80 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 16 | $170 |
Typical Medicare-allowed amounts for these services range $77–$170 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 32 | — |
| Lisinopril | 30 | — |
| Pantoprazole Sodium | 27 | — |
| Gabapentin | 15 | 11 |
| Amlodipine Besylate | 14 | — |
| Losartan Potassium | 14 | — |
| Hydrochlorothiazide | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 2500 Alhambra AveMartinez, CA 94553-3156Phone: (925) 370-5000
Registry dates
- Enumerated
- 2019-06-18
- Last updated
- 2024-03-01
- Certified
- 2024-03-01
Frequently asked questions
- What is Jinnie Chang's NPI number?
- Jinnie Chang's National Provider Identifier (NPI) is 1316507643, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jinnie Chang's specialty?
- Jinnie Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jinnie Chang located?
- Jinnie Chang's practice location on file with NPPES is 500 W Hospital Rd, French Camp, CA 95231-9693.
- What is Jinnie Chang's phone number?
- The practice phone number listed in the NPPES registry for Jinnie Chang is (209) 468-6000.
- Does Jinnie Chang accept Medicare?
- Jinnie Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jinnie Chang's NPI active?
- Yes — Jinnie Chang's NPI (1316507643) is active in the NPPES registry as of the last update on 2024-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.