Alex Nguyen, M. D.
NPI 1922069624 · Hematology & Oncology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alex Nguyen, M. D. is a Hematology & Oncology Physician provider in Houston, TX (NPI 1922069624).
Provider details
- NPI number
- 1922069624
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- No
- License
- L8452 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
18 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,183 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 903 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 448 | $127 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 315 | $128 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, Additional Sequential Infusion, 1 Hour Or Less96367 | 293 | $28 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 242 | $14 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famciclovir | 118 | 32 |
| Hydroxyurea | 106 | 29 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 95 | 28 |
| Dexamethasone | 92 | 42 |
| Aprepitant | 89 | 19 |
| Ondansetronbrand: Ondansetron Odt | 77 | 64 |
| Rivaroxabanbrand: Xarelto | 67 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,865 across 132 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 (17)
- 7121 S. Padre Island DrSuite 102,101,119Corpus Christi, TX 78412-4938Phone: (361) 696-6000Fax: (361) 992-4120
- 27700 Northwest FreewaySuite 400,425Cypress, TX 77433-6767Phone: (832) 377-3260Fax: (888) 506-5887
- 13215 Dotson Rd Ste 340Houston, TX 77070-4535Phone: (281) 477-8600Fax: (281) 477-8577
- 10405 Katy Fwy Ste 150eHouston, TX 77024-1165Phone: (713) 722-9660Fax: (713) 722-9664
- 11920 Astoria Blvd Ste 150Houston, TX 77089-6097Phone: (281) 481-6688Fax: (281) 481-0870
- 9150 Main St Ste A3Houston, TX 77025-3848Phone: (713) 630-8181Fax: (713) 838-9708
- 7789 Southwest Fwy Ste 460Houston, TX 77074-1841Phone: (713) 778-0300Fax: (713) 778-0303
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2026-03-18
- Certified
- 2026-03-18
Frequently asked questions
- What is Alex Nguyen's NPI number?
- Alex Nguyen's National Provider Identifier (NPI) is 1922069624, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alex Nguyen's specialty?
- Alex Nguyen is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Alex Nguyen located?
- Alex Nguyen's practice location on file with NPPES is 925 Gessner, Houston, TX 77024-2545.
- What is Alex Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Alex Nguyen is (713) 827-9525.
- Does Alex Nguyen accept Medicare?
- Alex Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alex Nguyen's NPI active?
- Yes — Alex Nguyen's NPI (1922069624) is active in the NPPES registry as of the last update on 2026-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.