Doctor profile · Federal record
Dr. Ned Williams, D.O.
Radiation Oncology Physician (CMS: Radiation Oncology) · Obstetrics & Gynecology Physician · San Antonio, TX
- NPI 1689735805
- Accepts Medicare
- 22 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3551 Roger Brooke Dr, Bldg 3600, Rm 120-7
San Antonio, TX 782344504
(210) 916-5046
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- June 2, 2020
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (2)
- Texas #S4703 · Indiana #02003005A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689735805. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,745
Distinct HCPCS
10
Medicare allowed
$143,863
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77014 |
Ct guidance for insertion of radiation therapy fields | 634 | 61 | $43 | |
77427 |
Radiation treatment management, 5 treatment sessions | 183 | 65 | $184 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 177 | 117 | $63 | |
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 171 | 39 | $20 | |
77300 |
Calculation of radiation therapy dose | 147 | 50 | $32 | |
77334 |
Design and construction of complex radiation treatment device | 117 | 53 | $58 | |
77263 |
Complex radiation therapy planning | 60 | 55 | $162 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 53 | 53 | $173 | |
77338 |
Design and construction of radiation treatment device for high precision radiation therapy | 39 | 34 | $217 | |
77301 |
High precision radiation therapy planning | 36 | 34 | $405 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 166. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novocure Inc. | 1 | $16.79 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
167
Patients
76
Total drug cost
$2,407
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 75 | 24 | $1,252 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 27 | 24 | $83 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 17 | 16 | $66 |
| Pentoxifylline | Generic | 14 | 0 | $762 |
| Lorazepam | Generic | 12 | 12 | $9 |
| Ciprofloxacin Hcl | Generic | 11 | 0 | $49 |
| Dexamethasone | Generic | 11 | 0 | $188 |
Hospital affiliations
Frequently asked questions
What is Dr. Ned Williams's medical specialty?
Dr. Ned Williams practices Radiation Oncology Physician in San Antonio, TX.
Where does Dr. Ned Williams practice?
Dr. Ned Williams practices at 3551 Roger Brooke Dr, Bldg 3600, Rm 120-7, San Antonio, TX 782344504. Office phone: 2109165046.
What is Dr. Ned Williams's NPI?
Dr. Ned Williams's National Provider Identifier (NPI) is 1689735805, issued by NPPES.
Does Dr. Ned Williams accept Medicare assignment?
Yes. Dr. Ned Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ned Williams commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.