Melissa Mckenzie, DO
NPI 1861450876 · Neurology Physician · Eureka, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Mckenzie, DO is a Neurology Physician provider in Eureka, CA (NPI 1861450876).
Provider details
- NPI number
- 1861450876
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A8768 (CA)
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
1,377 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 | 391 | $129 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 204 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 158 | $183 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 105 | $91 |
| Evaluation of Neuropsychological Test, First Hour96132 | 78 | $129 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 225 | 45 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 192 | 47 |
| Memantine Hclbrand: Memantine Hcl Er | 181 | 39 |
| Donepezil Hcl | 161 | 30 |
| Lamotrigine | 150 | 21 |
| Oxcarbazepine | 103 | 22 |
| Topiramate | 99 | 17 |
| Memantine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$85 across 3 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
- 2006-05-02
- Last updated
- 2021-11-08
- Certified
- 2021-11-08
Frequently asked questions
- What is Melissa Mckenzie's NPI number?
- Melissa Mckenzie's National Provider Identifier (NPI) is 1861450876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Mckenzie's specialty?
- Melissa Mckenzie is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Mckenzie located?
- Melissa Mckenzie's practice location on file with NPPES is 2828 Oneil Lane, Eureka, CA 95503-4870.
- What is Melissa Mckenzie's phone number?
- The practice phone number listed in the NPPES registry for Melissa Mckenzie is (707) 443-9385.
- Does Melissa Mckenzie accept Medicare?
- Melissa Mckenzie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Mckenzie's NPI active?
- Yes — Melissa Mckenzie's NPI (1861450876) is active in the NPPES registry as of the last update on 2021-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.