Mackenzie Mertz, DO
NPI 1023426806 · Psychiatry Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mackenzie Mertz, DO is a Psychiatry Physician provider in Sioux Falls, SD (NPI 1023426806).
Provider details
- NPI number
- 1023426806
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 7205 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 33 |
| Methylphenidate Hcl | 19 |
| Trazodone Hcl | 19 |
| Sertraline Hcl | 18 |
| Buspirone Hcl | 13 |
| Zolpidem Tartrate | 13 |
| Hydroxyzine Pamoate | 12 |
| Escitalopram Oxalate | 12 |
| Alprazolam | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$731 across 31 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
- 2014-07-24
- Last updated
- 2019-11-22
Frequently asked questions
- What is Mackenzie Mertz's NPI number?
- Mackenzie Mertz's National Provider Identifier (NPI) is 1023426806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Mertz's specialty?
- Mackenzie Mertz is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mackenzie Mertz located?
- Mackenzie Mertz's practice location on file with NPPES is 2400 W 49th St, Sioux Falls, SD 57105-6581.
- What is Mackenzie Mertz's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Mertz is (605) 312-8700.
- Does Mackenzie Mertz accept Medicare?
- Mackenzie Mertz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mackenzie Mertz's NPI active?
- Yes — Mackenzie Mertz's NPI (1023426806) is active in the NPPES registry as of the last update on 2019-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.