Robert Walker
NPI 1649216680 · Emergency Medicine Physician · Hazlehurst, MS
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Walker is a Emergency Medicine Physician provider in Hazlehurst, MS (NPI 1649216680).
Provider details
- NPI number
- 1649216680
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 10032 (MO)
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
19 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
972 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 226 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 176 | $82 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 141 | $37 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 103 | $8 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 93 | $13 |
| Insertion of Needle Into Vein for Collection of Blood Sample |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 206 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 705 | 163 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 631 | 126 |
| Gabapentin | 538 | 104 |
| Pantoprazole Sodium | 508 | 109 |
| Atorvastatin Calcium | 495 | 96 |
| Rosuvastatin Calcium | 475 | 118 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$642 across 36 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
- 2006-06-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Walker's NPI number?
- Robert Walker's National Provider Identifier (NPI) is 1649216680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Walker's specialty?
- Robert Walker is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Walker located?
- Robert Walker's practice location on file with NPPES is 233 Magnolia St, Hazlehurst, MS 39083-2228.
- What is Robert Walker's phone number?
- The practice phone number listed in the NPPES registry for Robert Walker is (800) 291-4020.
- Does Robert Walker accept Medicare?
- Robert Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Walker's NPI active?
- Yes — Robert Walker's NPI (1649216680) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.