Doctor profile · Federal record
Dr. Allen Williamson, D.O.
Family Medicine Physician (CMS: Family Practice) · Port Arthur, TX
- NPI 1548269566
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2501 Jimmy Johnson Blvd, #501
Port Arthur, TX 776402000
(409) 729-2555
fax (409) 729-2542
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- February 6, 2012
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Texas #K2630
- Medicaid
- TX #119247804
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548269566. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
687
Distinct HCPCS
4
Medicare allowed
$57,401
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 366 | 193 | $118 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 166 | 106 | $82 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 123 | 12 | $0 | |
96372 |
Injection of drug or substance under skin or into muscle | 32 | 17 | $13 |
In context: peer comparison
Among 3 peers in Port Arthur Family Medicine Physician, average services per provider: 151. This provider delivers 4.5× the peer median.Open Payments
Industry payments received
All-time total
$446
Transactions
24
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals INC. | 5 | $92.53 | |
| Novo Nordisk INC | 4 | $76.40 | |
| Abbvie INC. | 4 | $66.83 | |
| Lilly USA, LLC | 3 | $47.03 | |
| Dexcom, INC. | 2 | $43.76 | |
| Pfizer INC. | 2 | $43.25 | |
| Phathom Pharmaceuticals, INC. | 1 | $22.86 | |
| Sumitomo Pharma America, INC. | 1 | $20.70 | |
| Amgen INC. | 1 | $16.80 | |
| Exact Sciences Corporation | 1 | $15.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,046
Patients
1,427
Total drug cost
$69,966
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 781 | 232 | $12,510 |
| Levothyroxine Sodium | Generic | 501 | 139 | $7,125 |
| Alprazolam | Generic | 488 | 88 | $4,709 |
| Amlodipine Besylate | Generic | 479 | 146 | $5,103 |
| Gabapentin | Generic | 384 | 114 | $8,897 |
| Metformin Hcl | Generic | 326 | 96 | $2,886 |
| Lisinopril | Generic | 325 | 98 | $3,992 |
| Pantoprazole Sodium | Generic | 273 | 88 | $4,541 |
| Losartan Potassium | Generic | 267 | 83 | $3,637 |
| Rosuvastatin Calcium | Generic | 232 | 72 | $4,994 |
Frequently asked questions
What is Dr. Allen Williamson's medical specialty?
Dr. Allen Williamson practices Family Medicine Physician in Port Arthur, TX.
Where does Dr. Allen Williamson practice?
Dr. Allen Williamson practices at 2501 Jimmy Johnson Blvd, Port Arthur, TX 776402000. Office phone: 4097292555.
What is Dr. Allen Williamson's NPI?
Dr. Allen Williamson's National Provider Identifier (NPI) is 1548269566, issued by NPPES.
Does Dr. Allen Williamson accept Medicare assignment?
Yes. Dr. Allen Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allen Williamson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.