William Walker, MD
NPI 1649576539 · Plastic Surgery Physician · Ridgeland, MS
Enrolled with Medicare as Practitioner - Plastic and Reconstructive Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Walker, MD is a Plastic Surgery Physician provider in Ridgeland, MS (NPI 1649576539).
Provider details
- NPI number
- 1649576539
- Entity type
- Individual
- Primary specialty
- Plastic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 21164 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
227 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 113 | $114 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 91 | $165 |
| Critical Care, First 30-74 Minutes99291 | 23 | $199 |
Typical Medicare-allowed amounts for these services range $114–$199 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cyclobenzaprine Hcl | 57 | 55 |
| Methylprednisolone | 53 | 47 |
| Naproxen | 53 | 53 |
| Ondansetronbrand: Ondansetron Odt | 40 | 40 |
| Potassium Chloride | 36 | 35 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 32 | 30 |
| Famotidine | 24 | 24 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-02-10
- Last updated
- 2014-07-03
Frequently asked questions
- What is William Walker's NPI number?
- William Walker's National Provider Identifier (NPI) is 1649576539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Walker's specialty?
- William Walker is listed in the NPPES registry with a primary specialty of Plastic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Walker located?
- William Walker's practice location on file with NPPES is 1000 Highland Colony Pkwy, Ridgeland, MS 39157-2073.
- What is William Walker's phone number?
- The practice phone number listed in the NPPES registry for William Walker is (769) 300-2946.
- Does William Walker accept Medicare?
- William Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Walker's NPI active?
- Yes — William Walker's NPI (1649576539) is active in the NPPES registry as of the last update on 2014-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.