Timothy Walker, M.D.
NPI 1275530644 · Orthopaedic Surgery Physician · Tea, SD
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Walker, M.D. is a Orthopaedic Surgery Physician provider in Tea, SD (NPI 1275530644).
Provider details
- NPI number
- 1275530644
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 5456 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,637 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| X-Ray of Knee, 3 Views73562 | 204 | $40 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 187 | $69 |
| X-Ray of Knee, 1-2 Views73560 | 185 | $33 |
| X-Ray of Hip, 2-3 Views73502 | 182 | $45 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 180 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $123 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 467 | 266 |
| Tramadol Hcl | 341 | 202 |
| Mupirocin | 224 | 218 |
| Meloxicam | 196 | 152 |
| Oxycodone Hcl | 170 | 148 |
| Gabapentin | 123 | 110 |
| Clindamycin Hcl | 117 | 60 |
| Hydrocodone/Acetaminophen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$110 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-30
- Last updated
- 2026-04-22
- Certified
- 2026-04-22
Frequently asked questions
- What is Timothy Walker's NPI number?
- Timothy Walker's National Provider Identifier (NPI) is 1275530644, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Walker's specialty?
- Timothy Walker is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Walker located?
- Timothy Walker's practice location on file with NPPES is 2120 Live Stronger St, Tea, SD 57064-8331.
- What is Timothy Walker's phone number?
- The practice phone number listed in the NPPES registry for Timothy Walker is (605) 331-5890.
- Does Timothy Walker accept Medicare?
- Timothy Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Walker's NPI active?
- Yes — Timothy Walker's NPI (1275530644) is active in the NPPES registry as of the last update on 2026-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.