Eric Chiang, MD
NPI 1386962116 · Rheumatology Physician · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Chiang, MD is a Rheumatology Physician provider in Corpus Christi, TX (NPI 1386962116).
Provider details
- NPI number
- 1386962116
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- Q2116 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
3,524 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 832 | $120 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 511 | $15 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 435 | $77 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 401 | $63 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 185 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Leflunomide | 394 | 216 |
| Hydroxychloroquine Sulfate | 322 | 167 |
| Prednisone | 291 | 159 |
| Methotrexate Sodiumbrand: Methotrexate | 205 | 95 |
| Alendronate Sodium | 63 | 36 |
| Sulfasalazine | 60 | 33 |
| Folic Acid | 54 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,418 across 210 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
- 2010-05-04
- Last updated
- 2025-03-18
- Certified
- 2025-03-18
Frequently asked questions
- What is Eric Chiang's NPI number?
- Eric Chiang's National Provider Identifier (NPI) is 1386962116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Chiang's specialty?
- Eric Chiang is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Chiang located?
- Eric Chiang's practice location on file with NPPES is 4302 Ayers St, Corpus Christi, TX 78415-5318.
- What is Eric Chiang's phone number?
- The practice phone number listed in the NPPES registry for Eric Chiang is (361) 400-7700.
- Does Eric Chiang accept Medicare?
- Eric Chiang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Chiang's NPI active?
- Yes — Eric Chiang's NPI (1386962116) is active in the NPPES registry as of the last update on 2025-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.