Mackenzie Mertz, DO
Psychiatry Physician · Sioux Falls, SD
Mackenzie Mertz, DO is a psychiatry physician with a practice address in Sioux Falls, South Dakota, and NPI 1023426806, issued on Jul 24, 2014. Check the license (South Dakota 11602, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Mackenzie Mertz
- Credential
- DO
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 11602 SD
7205 NE
Self-reported in NPPES; status is on the state search - Practice location
- 3401 W 49TH St, Sioux Falls, SD 57106
- Phone
- (605) 328-1850
- Enumerated
- Jul 24, 2014
- Record last updated
- Jun 30, 2026
- Medicare enrollment
- Enrolled (PECOS I20250923002948); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 112 in South Dakota → Look up another NPI →
Also registered at 3401 W 49TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Belkham, PAPhysician Assistant1982604690
- Scott Boyens, MDFamily Medicine Physician1700886389
- Patricia Brooks, MDFamily Medicine Physician1093990277
- Elinor Bunde, MDFamily Medicine Physician1750523635
- Sarah Hewitt, LPCMental Health Counselor1144794926
- Jordyn Hofer, CNPFamily Nurse Practitioner1114698875
Verify Mackenzie Mertz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 11602Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average psychiatry physician in 2024
224 Medicare Part D claims for 14 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Clonazepam33 claims
- Methylphenidate Hcl19 claims
- Trazodone Hcl19 claims
- Sertraline Hcl18 claims
- Buspirone Hcl13 claims
- Zolpidem Tartrate13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $730.68
31 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mackenzie Mertz among 112 psychiatry physician records in South Dakota
Mackenzie Mertz, DO is one of 112 psychiatry physician records with a practice address in South Dakota. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 67% of them.
- NPI issued2014 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2014 · median 2007 among the 61 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in South Dakota
There are 112 psychiatry physician records in South Dakota.
All 112 in South Dakota → Every provider in Sioux Falls → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Alexa DautcehajicSioux Falls, SD 571061831011014
- Clay Pavlis, M.D.Sioux Falls, SD 571061629018445
- Jennifer Assam, MDSioux Falls, SD 571051982198776
- Christiaan Bates, MDSioux Falls, SD 571051235795329
- Abbey Bauman, MDSioux Falls, SD 571051467072066
- Grace Caldwell, MDSioux Falls, SD 571051285216788
- Richard Danieli, MDSioux Falls, SD 571051811637002
- Courtnee Heyduk, MDSioux Falls, SD 571051568967446
Common questions
What is Mackenzie Mertz, DO's NPI number?
Mackenzie Mertz, DO's National Provider Identifier (NPI) is 1023426806, issued on Jul 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mackenzie Mertz, DO located?
The NPPES record lists a practice address at 3401 W 49TH St, Sioux Falls, SD, 57106. Phone: (605) 328-1850. Providers update this record themselves, so call before visiting.
How can I verify Mackenzie Mertz, DO's license?
NPPES lists South Dakota license number 11602, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mackenzie Mertz, DO prescribe under Medicare Part D?
In 2024, Mackenzie Mertz, DO had 224 Medicare Part D claims for 14 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Mackenzie Mertz, DO's MIPS final score?
The 2023 MIPS final score is 76.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.