Doctor profile · Federal record

Dr. Phung Nguyen, MD

Allergy Physician (CMS: Allergy/Immunology) · Houston, TX

  • NPI 1326196734
  • Accepts Medicare
  • 53 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2905 Milam St
Houston, TX 770063609
(713) 529-5659
fax (713) 529-0182

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1973 — 53 yrs since
Specialty taxonomy
207KA0200X — NUCC code
State license (1)
Texas #G 2455

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326196734. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
834
Distinct HCPCS
2
Medicare allowed
$8,161
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 780 13 $4
99213 Established patient office or other outpatient visit, 20-29 minutes 54 14 $92

In context: peer comparison

Among 3 peers in Houston Allergy Physician, average services per provider: 757. This provider delivers 1.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
199
Patients
38
Total drug cost
$5,285
Drug Type Claims Patients Total cost
Celecoxib Generic 36 14 $1,204
Amlodipine Besylate Generic 27 0 $455
Azithromycin Generic 25 13 $181
Clobetasol Propionate Generic 15 11 $2,265
Hydroxyzine Hcl Generic 14 0 $123
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 0 $251
Montelukast Sodium Generic 13 0 $206
Levofloxacin Generic 12 0 $90
Alendronate Sodium Generic 11 0 $108
Carvedilol Generic 11 0 $60

Frequently asked questions

Auto-generated from federal data
What is Dr. Phung Nguyen's medical specialty?
Dr. Phung Nguyen practices Allergy Physician in Houston, TX.
Where does Dr. Phung Nguyen practice?
Dr. Phung Nguyen practices at 2905 Milam St, Houston, TX 770063609. Office phone: 7135295659.
What is Dr. Phung Nguyen's NPI?
Dr. Phung Nguyen's National Provider Identifier (NPI) is 1326196734, issued by NPPES.
Does Dr. Phung Nguyen accept Medicare assignment?
Yes. Dr. Phung Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Phung Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.