Doctor profile · Federal record
Dr. John Williams, APRN-FNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Baton Rouge, LA
- NPI 1003540626
- Accepts Medicare
- 5 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
5800 One Perkins Place Dr Ste A
Baton Rouge, LA 708089113
(225) 224-8690 - Mailing address
-
15085 Tom Williams RD
Gonzales, LA 707377136
Credentials & registration
- NPI registered
- July 2022 — 4 yrs on file
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Louisiana #225293
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003540626. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
245
Distinct HCPCS
7
Medicare allowed
$8,496
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 102 | 12 | $0 | |
87426 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 26 | 26 | $32 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 26 | 13 | $15 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 24 | 24 | $134 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 23 | 23 | $96 | |
96372 |
Injection of drug or substance under skin or into muscle | 22 | 17 | $11 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 22 | $72 |
In context: peer comparison
Among 120 peers in Baton Rouge Family Nurse Practitioner, average services per provider: 93. This provider delivers 2.6× the peer median.Open Payments
Industry payments received
All-time total
$19
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Urogen Pharma, INC. | 1 | $19.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
133
Patients
133
Total drug cost
$801
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azithromycin | Generic | 25 | 25 | $201 |
| Amoxicillin | Generic | 21 | 21 | $112 |
| Mupirocin | Generic | 20 | 20 | $140 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 17 | 17 | $51 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 16 | 16 | $162 |
| Ibuprofen | Generic | 12 | 12 | $28 |
| Cephalexin | Generic | 11 | 11 | $43 |
| Methylprednisolone | Generic | 11 | 11 | $64 |
Frequently asked questions
What is Dr. John Williams's medical specialty?
Dr. John Williams practices Family Nurse Practitioner in Baton Rouge, LA.
Where does Dr. John Williams practice?
Dr. John Williams practices at 5800 One Perkins Place Dr Ste A, Baton Rouge, LA 708089113. Office phone: 2252248690.
What is Dr. John Williams's NPI?
Dr. John Williams's National Provider Identifier (NPI) is 1003540626, issued by NPPES.
Does Dr. John Williams accept Medicare assignment?
Yes. Dr. John Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Williams commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804). Source: CMS Medicare Physician & Other Practitioners file.