Doctor profile · Federal record
Dr. Timothy Walker, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Sioux Falls, SD
- NPI 1275530644
- Accepts Medicare
- MIPS 91.9 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1210 W 18Th St Ste G01
Sioux Falls, SD 571044651
(605) 328-2663
fax (605) 328-3760 - Mailing address
-
Po Box 5074
Sioux Falls, SD 571175074
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- April 18, 2013
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- South Dakota #5456
- Medicaid
- SD #6402250
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275530644. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,872
Distinct HCPCS
10
Medicare allowed
$339,050
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J7325 |
Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg | 2,304 | 39 | $9 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 1,084 | 76 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 222 | 205 | $126 | |
73562 |
X-ray of knee, 3 views | 221 | 177 | $40 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 145 | 127 | $88 | |
73502 |
X-ray of hip, 2-3 views | 142 | 125 | $46 | |
20610 |
Aspiration and/or injection of fluid from large joint | 126 | 106 | $67 | |
73560 |
X-ray of knee, 1-2 views | 108 | 92 | $33 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 104 | 104 | $161 | |
27447 |
Replacement of knee joint, both sides of knee | 103 | 101 | $1,218 |
In context: peer comparison
Among 21 peers in this city , average services per provider: 107. This provider delivers 46× the peer median.Open Payments
Industry payments received
All-time total
$110
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 1 | $108.05 | |
| KINEX MEDICAL COMPANY LLC | 1 | $2.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
847
Patients
558
Total drug cost
$2,597
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 396 | 210 | $350 |
| Mupirocin | Generic | 135 | 128 | $1,068 |
| Clindamycin Hcl | Generic | 101 | 51 | $116 |
| Tramadol Hcl | Generic | 77 | 56 | $329 |
| Meloxicam | Generic | 52 | 33 | $144 |
| Oxycodone Hcl | Generic | 33 | 31 | $171 |
| Gabapentin | Generic | 22 | 21 | $108 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 17 | 15 | $173 |
| Cephalexin | Generic | 14 | 13 | $138 |
Hospital affiliations
Frequently asked questions
What is Dr. Timothy Walker's medical specialty?
Dr. Timothy Walker practices Orthopaedic Surgery Physician in Sioux Falls, SD.
Where does Dr. Timothy Walker practice?
Dr. Timothy Walker practices at 1210 W 18Th St Ste G01, Sioux Falls, SD 571044651. Office phone: 6053282663.
What is Dr. Timothy Walker's NPI?
Dr. Timothy Walker's National Provider Identifier (NPI) is 1275530644, issued by NPPES.
Does Dr. Timothy Walker accept Medicare assignment?
Yes. Dr. Timothy Walker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Walker commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (HCPCS J7325); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.