Eugene Chaung, M.D.
NPI 1659715571 · Infectious Disease Physician · Webster, TX
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eugene Chaung, M.D. is a Infectious Disease Physician provider in Webster, TX (NPI 1659715571).
Provider details
- NPI number
- 1659715571
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R7416 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
100% of core fields populated
- Practice footprint15% of score
7 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
50 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) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 50 | $131 |
Typical Medicare-allowed amounts for these services range $131–$131 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 230 | 38 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 68 | — |
| Dolutegravir Sodiumbrand: Tivicay | 67 | 13 |
| Atorvastatin Calcium | 61 | 17 |
| Amlodipine Besylate | 50 | 14 |
| Darunavir/Cobicistatbrand: Prezcobix | 49 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$282 across 3 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
Additional practice locations (6)
- 11914 Astoria Blvd Ste 125Houston, TX 77089-6073Phone: (832) 554-1005Fax: (832) 742-0455
- 600 N Kobayashi Ste 310Webster, TX 77598-4841Phone: (281) 724-8336
- 905 W Medical Center Blvd Ste 306Webster, TX 77598-4009Phone: (281) 724-8332Fax: (281) 724-8332
- 600 N Kobayashi Ste 110Webster, TX 77598-4841Phone: (281) 338-1701
- 600 N Kobayashi Ste 309Webster, TX 77598-4841Phone: (281) 724-8332
- 500 N Kobayashi Ste CWebster, TX 77598-4722Phone: (281) 816-3092
Registry dates
- Enumerated
- 2013-04-22
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Eugene Chaung's NPI number?
- Eugene Chaung's National Provider Identifier (NPI) is 1659715571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eugene Chaung's specialty?
- Eugene Chaung is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Eugene Chaung located?
- Eugene Chaung's practice location on file with NPPES is 905 W Medical Center Blvd Ste 304, Webster, TX 77598-4009.
- What is Eugene Chaung's phone number?
- The practice phone number listed in the NPPES registry for Eugene Chaung is (281) 724-8336.
- Does Eugene Chaung accept Medicare?
- Eugene Chaung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eugene Chaung's NPI active?
- Yes — Eugene Chaung's NPI (1659715571) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.