Jin Chang, M.D.
NPI 1619234168 · Family Medicine Physician · Valencia, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jin Chang, M.D. is a Family Medicine Physician provider in Valencia, CA (NPI 1619234168).
Provider details
- NPI number
- 1619234168
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A126816 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 58 | 50 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 46 | 45 |
| Losartan Potassium | 41 | 37 |
| Amlodipine Besylate | 38 | 35 |
| Levothyroxine Sodium | 31 | 26 |
| Meloxicam | 29 | 28 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$30 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-20
- Last updated
- 2021-11-29
- Certified
- 2021-11-29
Frequently asked questions
- What is Jin Chang's NPI number?
- Jin Chang's National Provider Identifier (NPI) is 1619234168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jin Chang's specialty?
- Jin Chang is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jin Chang located?
- Jin Chang's practice location on file with NPPES is 27201 Tourney Rd, Valencia, CA 91355-1854.
- What is Jin Chang's phone number?
- The practice phone number listed in the NPPES registry for Jin Chang is (661) 222-2149.
- Does Jin Chang accept Medicare?
- Jin Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jin Chang's NPI active?
- Yes — Jin Chang's NPI (1619234168) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.