Andrew Walker, MD
NPI 1912908450 · Family Medicine Physician · Montross, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Walker, MD is a Family Medicine Physician provider in Montross, VA (NPI 1912908450).
Provider details
- NPI number
- 1912908450
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- BW6239239 (VA)
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
20 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
211 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) |
|---|---|---|
| Admn Sarscov2 Vacc 1 Dose90480 | 44 | $39 |
| Smoking and Tobacco Use Intensive Counseling, 4-10 Minutes99406 | 39 | $14 |
| Automated Urinalysis Test81003 | 31 | $2 |
| Administration of Influenza Virus VaccineG0008 | 23 | $11 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 22 | $50 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 20 | $69 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 159 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 641 | 182 |
| Amlodipine Besylate | 640 | 167 |
| Hydrochlorothiazide | 298 | 79 |
| Lisinopril | 262 | 65 |
| Omeprazole | 260 | 63 |
| Gabapentin | 228 | 50 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-09
- Last updated
- 2012-10-15
Frequently asked questions
- What is Andrew Walker's NPI number?
- Andrew Walker's National Provider Identifier (NPI) is 1912908450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Walker's specialty?
- Andrew Walker is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Walker located?
- Andrew Walker's practice location on file with NPPES is 18849 Kings Hwy, Montross, VA 22520-2965.
- What is Andrew Walker's phone number?
- The practice phone number listed in the NPPES registry for Andrew Walker is (804) 493-9999.
- Does Andrew Walker accept Medicare?
- Andrew Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Walker's NPI active?
- Yes — Andrew Walker's NPI (1912908450) is active in the NPPES registry as of the last update on 2012-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.