Doctor profile · Federal record
Dr. William Nguyen, MD
Internal Medicine Physician (CMS: Internal Medicine) · Houston, TX
- NPI 1457452757
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4126 Southwest Freeway, #600C
Houston, TX 77027
(713) 626-9971
fax (713) 626-9981
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Texas #J4392
- Medicaid
- TX #140242225
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457452757. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,505
Distinct HCPCS
8
Medicare allowed
$173,005
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 646 | 112 | $119 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 361 | 79 | $79 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 191 | 82 | $129 | |
99239 |
Hospital discharge day management, more than 30 minutes | 124 | 97 | $116 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 115 | 93 | $175 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 33 | 25 | $92 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 21 | 17 | $182 | |
99238 |
Hospital discharge day management, 30 minutes or less | 14 | 14 | $82 |
In context: peer comparison
Among 393 peers in this city , average services per provider: 127. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$96
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 3 | $52.87 | |
| Novo Nordisk Inc | 1 | $28.46 | |
| AstraZeneca Pharmaceuticals LP | 1 | $14.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,758
Patients
748
Total drug cost
$107,673
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 313 | 126 | $4,469 |
| Amlodipine Besylate | Generic | 299 | 119 | $3,093 |
| Metformin Hcl | Generic | 142 | 48 | $1,684 |
| Losartan Potassium | Generic | 127 | 57 | $1,971 |
| Metoprolol Tartrate | Generic | 126 | 67 | $1,436 |
| Metoprolol Succinate | Generic | 100 | 37 | $1,815 |
| Levothyroxine Sodium | Generic | 90 | 26 | $1,541 |
| Lisinopril | Generic | 90 | 32 | $967 |
| Tramadol Hcl | Generic | 76 | 41 | $934 |
| Doxazosin Mesylate | Generic | 73 | 19 | $1,315 |
Frequently asked questions
What is Dr. William Nguyen's medical specialty?
Dr. William Nguyen practices Internal Medicine Physician in Houston, TX.
Where does Dr. William Nguyen practice?
Dr. William Nguyen practices at 4126 Southwest Freeway, Houston, TX 77027. Office phone: 7136269971.
What is Dr. William Nguyen's NPI?
Dr. William Nguyen's National Provider Identifier (NPI) is 1457452757, issued by NPPES.
Does Dr. William Nguyen accept Medicare assignment?
Yes. Dr. William Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.