Doctor profile · Federal record

Dr. Antoinette Martz, ARNP

Nurse Practitioner · Dayton, IA

  • NPI 1437815016
  • 5 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Po Box 634
Dayton, IA 505300634
(515) 570-8569
Mailing address
2350 Hospital Dr
Webster City, IA 505956600

Credentials & registration

NPPES · NUCC
NPI registered
November 2021 — 5 yrs on file
Profile last updated
December 15, 2024
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Iowa #A166068

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437815016. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,252
Distinct HCPCS
10
Medicare allowed
$43,292
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 289 144 $71
36415 Insertion of needle into vein for collection of blood sample 183 106 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 98 69 $8
80047 Blood test, basic group of blood chemicals (calcium, ionized) 79 51 $13
99214 Established patient office or other outpatient visit, 30-39 minutes 63 50 $101
80053 Blood test, comprehensive group of blood chemicals 51 49 $10
80061 Blood test, lipids (cholesterol and triglycerides) 48 48 $13
81001 Manual urinalysis test with examination using microscope, automated 44 26 $3
84443 Blood test, thyroid stimulating hormone (tsh) 39 35 $16
87086 Bacterial colony count, urine 39 24 $8

In context: peer comparison

Among 1 peers in Dayton Nurse Practitioner, average services per provider: 52. This provider delivers 24× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
658
Patients
92
Total drug cost
$6,039
Drug Type Claims Patients Total cost
Omeprazole Generic 67 19 $684
Oxycodone Hcl Generic 62 0 $495
Amlodipine Besylate Generic 57 15 $276
Levothyroxine Sodium Generic 57 22 $609
Simvastatin Generic 56 0 $303
Atorvastatin Calcium Generic 51 13 $404
Gabapentin Generic 46 0 $833
Tamsulosin Hcl Generic 42 0 $532
Lisinopril Generic 34 12 $242
Bupropion Xl (Bupropion Hcl) Brand 33 0 $708

Frequently asked questions

Auto-generated from federal data
What is Dr. Antoinette Martz's medical specialty?
Dr. Antoinette Martz practices Nurse Practitioner in Dayton, IA.
Where does Dr. Antoinette Martz practice?
Dr. Antoinette Martz practices at Po Box 634, Dayton, IA 505300634. Office phone: 5155708569.
What is Dr. Antoinette Martz's NPI?
Dr. Antoinette Martz's National Provider Identifier (NPI) is 1437815016, issued by NPPES.
What procedures does Dr. Antoinette Martz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.