Melanie Walker, NP-C
NPI 1083948889 · Nurse Practitioner · Billings, MT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melanie Walker, NP-C is a Nurse Practitioner provider in Billings, MT (NPI 1083948889).
Provider details
- NPI number
- 1083948889
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 32167 (MT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
160 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 111 | $54 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $80 |
Typical Medicare-allowed amounts for these services range $54–$80 (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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 94 | 25 |
| Metformin Hclbrand: Metformin Hcl Er | 67 | 17 |
| Losartan Potassium | 55 | 13 |
| Gabapentin | 48 | — |
| Amlodipine Besylate | 46 | 11 |
| Semaglutidebrand: Ozempic | 43 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$81 across 1 record (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
- 2009-09-25
- Last updated
- 2010-11-10
Frequently asked questions
- What is Melanie Walker's NPI number?
- Melanie Walker's National Provider Identifier (NPI) is 1083948889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melanie Walker's specialty?
- Melanie Walker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melanie Walker located?
- Melanie Walker's practice location on file with NPPES is 2900 12th Ave North, Billings, MT 59101.
- What is Melanie Walker's phone number?
- The practice phone number listed in the NPPES registry for Melanie Walker is (406) 237-8808.
- Does Melanie Walker accept Medicare?
- Melanie Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melanie Walker's NPI active?
- Yes — Melanie Walker's NPI (1083948889) is active in the NPPES registry as of the last update on 2010-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.