Oriana Chen, M.D.
NPI 1528358124 · Emergency Medicine Physician · Sugar Land, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oriana Chen, M.D. is a Emergency Medicine Physician provider in Sugar Land, TX (NPI 1528358124).
Provider details
- NPI number
- 1528358124
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 35.123694 (OH)
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 tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
73 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 42 | $185 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 18 | $120 |
| Critical Care, First 30-74 Minutes99291 | 13 | $225 |
Typical Medicare-allowed amounts for these services range $120–$225 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 78 | 78 |
| Ibuprofen | 49 | 49 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 38 | 38 |
| Cefuroxime Axetilbrand: Cefuroxime | 27 | 27 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 26 | 26 |
| Prednisone | 24 | 24 |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (2)
- 525 E Market StAkron, OH 44304-1619Phone: (330) 375-4021
- 16000 Southwest FwySugar Land, TX 77479Phone: (281) 277-0911
Registry dates
- Enumerated
- 2011-04-15
- Last updated
- 2019-03-20
Frequently asked questions
- What is Oriana Chen's NPI number?
- Oriana Chen's National Provider Identifier (NPI) is 1528358124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oriana Chen's specialty?
- Oriana Chen is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oriana Chen located?
- Oriana Chen's practice location on file with NPPES is 16000 Southwest Fwy, Sugar Land, TX 77479.
- What is Oriana Chen's phone number?
- The practice phone number listed in the NPPES registry for Oriana Chen is (281) 277-0911.
- Does Oriana Chen accept Medicare?
- Oriana Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oriana Chen's NPI active?
- Yes — Oriana Chen's NPI (1528358124) is active in the NPPES registry as of the last update on 2019-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.