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Hematology/Oncology

Alex P. Nguyen, MD

Works at hospitals in Houston, TX · Katy, TX · Sugar Land, TX · Texas

Summary

Dr. Alex P. Nguyen, MD is a hematologist-oncologist at 18970 N Memorial Dr, Humble, TX 77338. Phone: (346) 362-1670. Accepts Medicare assignment. In 2024, Alex P. Nguyen had 367 Original Medicare patients and 248,821 services. NPI 1922069624. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Alex P. Nguyen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Alex P. Nguyen accept Medicare assignment?
Yes. Medicare's clinician data says Alex P. Nguyen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Alex P. Nguyen see?
In 2024, CMS data shows 367 Original Medicare patients and 248,821 services for Alex P. Nguyen. This counts Original Medicare only and measures volume, not quality.
What is Alex P. Nguyen's NPI number?
1922069624. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Alex P. Nguyen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients367
Services billed to Medicare248,821
Different services or procedures140
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (Q0138)71,910 services
  2. Injection, darbepoetin alfa, 1 microgram (non-esrd use) (J0881)28,200 services
  3. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)5,600 services
  4. Injection, dexamethasone sodium phosphate, 1 mg (J1100)1,990 services
  5. Injection, palonosetron hcl, 25 mcg (J2469)1,540 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis46%
  • Diabetes40%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)40%
  • Chronic kidney disease36%

Hospitals where Alex P. Nguyen works

Medicare's Facility Affiliation Data lists Alex P. Nguyen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Alex P. Nguyen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alex P. Nguyen as a member of these groups (CMS data updated October 2, 2026).

  • American Oncology Partners PA391 clinicians in the group
  • Oncology Consultants, P. A.34 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Texas →

Other hematologist-oncologists in Humble

Clinicians with the same Medicare primary specialty in Humble, TX — not a recommendation.

All hematologist-oncologists in Humble →

Other clinicians in American Oncology Partners PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At Houston
Graduation year1999 (27 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1922069624
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians