Doctor profile · Federal record

Dr. Maria Decker, DNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Des Moines, IA

  • NPI 1225655590
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
5901 Thornton Ave Ste 101
Des Moines, IA 503212403
(515) 327-2000
fax (515) 327-2019
Additional location
1111 Duff Ave Ste 2607
Ames, IA 500105745
(515) 446-0979
Additional location
1316 S Main St
Clarion, IA 505252019
(515) 532-2811
fax (515) 532-3119
Show 1 more location
Additional location
403 1St St Se
Belmond, IA 504211201
(641) 444-3500
fax (319) 343-1161
Mailing address
1316 S Main St
Clarion, IA 505252019

Credentials & registration

NPPES · NUCC
NPI registered
July 2020 — 6 yrs on file
Profile last updated
August 13, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Iowa #A159567

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225655590. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
151
Distinct HCPCS
5
Medicare allowed
$13,416
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 72 32 $101
99204 New patient office or other outpatient visit, 45-59 minutes 37 37 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 15 11 $71
36415 Insertion of needle into vein for collection of blood sample 14 14 $8
83036 Hemoglobin a1c level 13 13 $10

In context: peer comparison

Among 34 peers in Des Moines Family Nurse Practitioner, average services per provider: 143. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$175
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Phathom Pharmaceuticals, INC. 2 $109.74
Lilly USA, LLC 3 $65.13

By nature of payment

Food and Beverage
$175

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
117
Patients
20
Total drug cost
$48,966
Drug Type Claims Patients Total cost
Metformin Hcl ER (Metformin Hcl) Brand 57 20 $424
Mounjaro (Tirzepatide) Brand 23 0 $25,413
Ozempic (Semaglutide) Brand 21 0 $22,307
Naltrexone Hcl Generic 16 0 $822

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Decker's medical specialty?
Dr. Maria Decker practices Family Nurse Practitioner in Des Moines, IA.
Where does Dr. Maria Decker practice?
Dr. Maria Decker practices at 5901 Thornton Ave Ste 101, Des Moines, IA 503212403. Office phone: 5153272000.
What is Dr. Maria Decker's NPI?
Dr. Maria Decker's National Provider Identifier (NPI) is 1225655590, issued by NPPES.
Does Dr. Maria Decker accept Medicare assignment?
Yes. Dr. Maria Decker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Decker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.