Doctor profile · Federal record

Dr. Ryan Parker, NP-C

Nurse Practitioner · Family Nurse Practitioner · Maryville, IL

  • NPI 1912478231
  • Accepts Medicare
  • MIPS 74.4 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6812 State Route 162 Ste 202
Maryville, IL 620628562
(618) 288-6844

Credentials & registration

NPPES · NUCC
NPI registered
December 2018 — 8 yrs on file
Profile last updated
June 11, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209.018533

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912478231. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
434
Distinct HCPCS
4
Medicare allowed
$37,547
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 237 154 $108
99213 Established patient office or other outpatient visit, 20-29 minutes 149 123 $76
99406 Smoking and tobacco use intensive counseling, 4-10 minutes 30 19 $13
95012 Test to measure the level of nitric oxide gas 18 15 $15

In context: peer comparison

Among 7 peers in Maryville Nurse Practitioner, average services per provider: 112. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,091
Transactions
35
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 12 $329.50
AstraZeneca Pharmaceuticals Lp 5 $235.01
Genzyme Corporation 3 $109.93
Boehringer Ingelheim Pharmaceuticals, INC. 3 $79.27
Avadel CNS Pharmaceuticals, LLC 3 $72.69
Philips North America LLC 2 $66.91
Harmony Biosciences LLC 1 $48.52
Resmed Corp 1 $45.44
GlaxoSmithKline, LLC. 2 $37.09
Insmed, INC. 1 $26.38
Mylan Specialty L.P. 1 $25.42
Axsome Therapeutics, INC. 1 $14.62

By nature of payment

Food and Beverage
$1,011
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,035
Patients
626
Total drug cost
$809,605
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 366 145 $10,429
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 332 76 $269,527
Symbicort (Budesonide/Formoterol Fumarate) Brand 191 49 $96,745
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 156 41 $93,446
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 150 40 $124,553
Montelukast Sodium Generic 133 37 $1,944
Roflumilast Generic 132 31 $35,172
Breo Ellipta (Fluticasone/Vilanterol) Brand 100 28 $61,978
Fluticasone Propionate Generic 97 34 $1,909
Prednisone Generic 93 53 $317

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Parker's medical specialty?
Dr. Ryan Parker practices Nurse Practitioner in Maryville, IL.
Where does Dr. Ryan Parker practice?
Dr. Ryan Parker practices at 6812 State Route 162 Ste 202, Maryville, IL 620628562. Office phone: 6182886844.
What is Dr. Ryan Parker's NPI?
Dr. Ryan Parker's National Provider Identifier (NPI) is 1912478231, issued by NPPES.
Does Dr. Ryan Parker accept Medicare assignment?
Yes. Dr. Ryan Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Parker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Smoking and tobacco use intensive counseling (HCPCS 99406). Source: CMS Medicare Physician & Other Practitioners file.