NPI age
16 years
Enumerated 2010-01-04
● Active
Type 1 · Individual
DR. John F. Chang, PHARM.D.
Chang is 1 of 39 pharmacist providers in Big Spring and 1 of 18509 in Texas.
Primary specialty
Pharmacist
Licensed in
CA
1 state
Status
Active
No deactivations on record
Last NPPES update
2010-01-04
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 18509 active pharmacist providers in Texas.
NPI age
16 years
↑ 9 yr above median (7 yr)
State licenses
1 state
5% of peers hold multiple states
Subspecialties
0
7% of peers hold subspecialties
NPI lifetime · 2010 → 2026
2010-01Enumerated in NPPES
2010
2026
Where they practice
Practice location
300 W Veterans Blvd
Big Spring, TX 797205566
Mailing address
300 W Veterans Blvd
Big Spring, TX 797205566
Specialties
-
Pharmacist PrimaryAn individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation,...
Practice context
Part of a multi-provider practice. 119 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.