Chang Qing an, N.P.
NPI 1366628273 · Nurse Practitioner · San Antonio, TX
Provider details
- NPI number
- 1366628273
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 14093 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% 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 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 223 | 18 |
| Atorvastatin Calcium | 181 | 16 |
| Pravastatin Sodium | 79 | — |
| Omeprazole | 74 | — |
| Tamsulosin Hcl | 73 | — |
| Lisinopril | 73 | — |
| Losartan Potassium | 68 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-10
- Last updated
- 2016-08-19
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.