Christina Chao, P.A.
NPI 1003158460 · Physician Assistant · Norwalk, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Chao, P.A. is a Physician Assistant provider in Norwalk, CT (NPI 1003158460).
Provider details
- NPI number
- 1003158460
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Female
- Sole proprietor
- No
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
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,341 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 399 | $81 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 238 | $6 |
| Biopsy of Related Skin Growth, First Growth11102 | 168 | $86 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 109 | $49 |
| Application of Ultraviolet Light to Skin96900 | 94 | $23 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 117 | 90 |
| Ketoconazole | 111 | 57 |
| Halobetasol Propionate | 56 | 38 |
| Finasteride | 48 | 23 |
| Dupilumabbrand: Dupixent Pen | 42 | — |
| Fluocinonide | 36 | 20 |
| Minoxidil | 34 | 14 |
| Valacyclovir Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,809 across 160 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
- 2013-03-25
- Last updated
- 2013-07-17
Frequently asked questions
- What is Christina Chao's NPI number?
- Christina Chao's National Provider Identifier (NPI) is 1003158460, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Chao's specialty?
- Christina Chao is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christina Chao located?
- Christina Chao's practice location on file with NPPES is 761 Main Ave, Norwalk, CT 06851-1080.
- What is Christina Chao's phone number?
- The practice phone number listed in the NPPES registry for Christina Chao is (203) 810-4151.
- Does Christina Chao accept Medicare?
- Christina Chao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Chao's NPI active?
- Yes — Christina Chao's NPI (1003158460) is active in the NPPES registry as of the last update on 2013-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.