Krystal Chang, PA-C
NPI 1043802390 · Physician Assistant · Houston, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Krystal Chang, PA-C is a Physician Assistant provider in Houston, TX (NPI 1043802390).
Provider details
- NPI number
- 1043802390
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA14016 (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 tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
463 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 50 Minutes99233 | 405 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 58 | $66 |
Typical Medicare-allowed amounts for these services range $66–$100 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-02-08
- Last updated
- 2021-05-09
- Certified
- 2021-02-09
Frequently asked questions
- What is Krystal Chang's NPI number?
- Krystal Chang's National Provider Identifier (NPI) is 1043802390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Krystal Chang's specialty?
- Krystal Chang is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Krystal Chang located?
- Krystal Chang's practice location on file with NPPES is 1515 Holcombe Blvd Unit 423, Houston, TX 77030-4017.
- What is Krystal Chang's phone number?
- The practice phone number listed in the NPPES registry for Krystal Chang is (713) 792-6100.
- Does Krystal Chang accept Medicare?
- Krystal Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Krystal Chang's NPI active?
- Yes — Krystal Chang's NPI (1043802390) is active in the NPPES registry as of the last update on 2021-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.