Doctor profile · Federal record
Dr. Robert Williams, PAC
Surgical Physician Assistant (CMS: Physician Assistant) · Houston, TX
- NPI 1639208697
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6410 Fannin, #1115
Houston, TX 77030
(713) 795-5300
fax (713) 795-0030 - Mailing address
-
7115 Staffordshire
Houston, TX 77030
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 363AS0400X — NUCC code
- State license (1)
- Texas #PA00919
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639208697. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
198
Distinct HCPCS
6
Medicare allowed
$16,010
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
63048 |
Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | 91 | 40 | $27 | |
63047 |
Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | 36 | 36 | $143 | |
22552 |
Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc | 27 | 18 | $52 | |
22551 |
Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc | 22 | 22 | $219 | |
22845 |
Placement of stabilizing device to front, 2-3 spine bone segments | 11 | 11 | $95 | |
22846 |
Placement of stabilizing device to front, 4-7 spine bone segments | 11 | 11 | $99 |
In context: peer comparison
Among 33 peers in Houston Surgical Physician Assistant, average services per provider: 48. This provider delivers 4.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$117
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 13 | 0 | $117 |
Frequently asked questions
What is Dr. Robert Williams's medical specialty?
Dr. Robert Williams practices Surgical Physician Assistant in Houston, TX.
Where does Dr. Robert Williams practice?
Dr. Robert Williams practices at 6410 Fannin, Houston, TX 77030. Office phone: 7137955300.
What is Dr. Robert Williams's NPI?
Dr. Robert Williams's National Provider Identifier (NPI) is 1639208697, issued by NPPES.
Does Dr. Robert Williams accept Medicare assignment?
Yes. Dr. Robert Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Williams commonly perform?
Top Medicare-reported procedures in 2023: Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (HCPCS 63048); Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (HCPCS 63047); Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc (HCPCS 22552). Source: CMS Medicare Physician & Other Practitioners file.