Mackenzie Lewis, FNP
NPI 1457941411 · Family Nurse Practitioner · Big Rapids, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Lewis, FNP is a Family Nurse Practitioner provider in Big Rapids, MI (NPI 1457941411).
Provider details
- NPI number
- 1457941411
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704328268 (MI)
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
5 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
91 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 | 30 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 21 | $109 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $146 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 12 | $132 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 11 | $189 |
Typical Medicare-allowed amounts for these services range $75–$189 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 96 | 17 |
| Gabapentin | 55 | 13 |
| Topiramate | 35 | 11 |
| Propranolol Hclbrand: Propranolol Hcl Er | 33 | — |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 31 | — |
| Donepezil Hcl | 25 | — |
| Propranolol Hcl | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$316 across 11 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
- 2021-01-24
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Mackenzie Lewis's NPI number?
- Mackenzie Lewis's National Provider Identifier (NPI) is 1457941411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Lewis's specialty?
- Mackenzie Lewis is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mackenzie Lewis located?
- Mackenzie Lewis's practice location on file with NPPES is 705 Oak St Unit 11, Big Rapids, MI 49307-3108.
- What is Mackenzie Lewis's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Lewis is (616) 267-7104.
- Does Mackenzie Lewis accept Medicare?
- Mackenzie Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Lewis's NPI active?
- Yes — Mackenzie Lewis's NPI (1457941411) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.