Annie Chang, PA-C
NPI 1992339881 · Physician Assistant · Houston, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Annie Chang, PA-C is a Physician Assistant provider in Houston, TX (NPI 1992339881).
Provider details
- NPI number
- 1992339881
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA13252 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
304 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 94 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $74 |
| Biopsy of Related Skin Growth, First Growth11102 | 34 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $104 |
| Biopsy of Related Skin Growth, Each Additional Growth11103 | 31 | $40 |
| Destruction of Precancer Skin Growth, 1 Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Betamethasone Dipropionate | 55 | 37 |
| Triamcinolone Acetonide | 43 | 30 |
| Ketoconazole | 42 | 26 |
| Dupilumabbrand: Dupixent Pen | 38 | — |
| Mupirocin | 36 | 23 |
| Doxycycline Hyclate | 24 | 20 |
| Clobetasol Propionate | 23 | 15 |
| Hydrocortisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,253 across 60 records (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
- 2020-02-28
- Last updated
- 2025-10-14
- Certified
- 2025-10-14
Frequently asked questions
- What is Annie Chang's NPI number?
- Annie Chang's National Provider Identifier (NPI) is 1992339881, 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 Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Annie Chang located?
- Annie Chang's practice location on file with NPPES is 20326 State Highway 249 Ste 400, Houston, TX 77070-2787.
- What is Annie Chang's phone number?
- The practice phone number listed in the NPPES registry for Annie Chang is (281) 612-0050.
- 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 (1992339881) is active in the NPPES registry as of the last update on 2025-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.