Doctor profile · Federal record
Dr. William Johnson, M.D.
Surgery Physician (CMS: General Surgery) · Diagnostic Radiology Physician · Round Rock, TX
- NPI 1891798682
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
511 Oakwood Blvd Ste 150
Round Rock, TX 786814068
(248) 629-2176
fax (248) 856-4704 - Mailing address
-
7125 Orchard Lake RD Ste 210
West Bloomfield, MI 483223618
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- September 18, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Texas #H6320
- Medicaid (3)
- TX #096817404 · TX #P000662G2 · TX #096817403
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891798682. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,456
Distinct HCPCS
10
Medicare allowed
$591,762
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93971 |
Ultrasound study of one arm or leg veins with compression and maneuvers | 376 | 151 | $121 | |
36471 |
Injection of chemical agent into multiple incompetent veins of leg | 213 | 106 | $104 | |
36475 |
Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance | 212 | 104 | $1,144 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 202 | 145 | $91 | |
93970 |
Ultrasound study of arm or leg veins with compression and maneuvers | 138 | 136 | $190 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 104 | 104 | $114 | |
36465 |
Injection of chemical agent into single incompetent vein of leg using ultrasound guidance | 95 | 74 | $1,609 | |
96372 |
Injection of drug or substance under skin or into muscle | 43 | 21 | $14 | |
36478 |
Laser destruction of incompetent vein of arm or leg using imaging guidance | 42 | 33 | $1,028 | |
36466 |
Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance | 18 | 17 | $1,448 |
In context: peer comparison
Among 4 peers in Round Rock Surgery Physician, average services per provider: 79. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$51
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $51.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
16
Patients
15
Total drug cost
$225
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Enoxaparin Sodium | Generic | 16 | 15 | $225 |
Frequently asked questions
What is Dr. William Johnson's medical specialty?
Dr. William Johnson practices Surgery Physician in Round Rock, TX.
Where does Dr. William Johnson practice?
Dr. William Johnson practices at 511 Oakwood Blvd Ste 150, Round Rock, TX 786814068. Office phone: 2486292176.
What is Dr. William Johnson's NPI?
Dr. William Johnson's National Provider Identifier (NPI) is 1891798682, issued by NPPES.
Does Dr. William Johnson accept Medicare assignment?
Yes. Dr. William Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Johnson commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971); Injection of chemical agent into multiple incompetent veins of leg (HCPCS 36471); Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance (HCPCS 36475). Source: CMS Medicare Physician & Other Practitioners file.