Doctor profile · Federal record

Dr. Natalie Ritzheimer, PA

Physician Assistant · Maryville, IL

  • NPI 1356821383
  • Accepts Medicare
  • MIPS 74.4 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6812 State Route 162 Ste 202
Maryville, IL 620628562
(618) 288-6844
fax (618) 288-6852
Additional location
6800 State Route 162
Maryville, IL 620628521
(618) 288-5711
Mailing address
200 Corporate Blvd
Lafayette, LA 705083870

Credentials & registration

NPPES · NUCC
NPI registered
August 2018 — 8 yrs on file
Profile last updated
February 23, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Illinois #085.006773

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356821383. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
338
Distinct HCPCS
4
Medicare allowed
$33,194
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 227 163 $107
99213 Established patient office or other outpatient visit, 20-29 minutes 76 68 $76
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $142
99406 Smoking and tobacco use intensive counseling, 4-10 minutes 14 11 $13

In context: peer comparison

Among 3 peers in Maryville Physician Assistant, average services per provider: 62. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$957
Transactions
35
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 7 $189.79
AstraZeneca Pharmaceuticals Lp 5 $156.14
Genzyme Corporation 5 $142.30
Harmony Biosciences LLC 3 $109.07
Boehringer Ingelheim Pharmaceuticals, INC. 3 $79.27
Philips North America LLC 2 $66.91
Avadel CNS Pharmaceuticals, LLC 2 $55.50
Mylan Specialty L.P. 2 $44.96
GlaxoSmithKline, LLC. 2 $37.09
Axsome Therapeutics, INC. 2 $35.76
Insmed, INC. 1 $26.38
Grifols USA, LLC 1 $13.85

By nature of payment

Food and Beverage
$877
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,477
Patients
528
Total drug cost
$520,469
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 352 153 $10,644
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 186 51 $160,161
Symbicort (Budesonide/Formoterol Fumarate) Brand 138 46 $69,680
Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) Brand 136 32 $107,241
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 117 26 $64,029
Prednisone Generic 107 69 $397
Montelukast Sodium Generic 90 30 $1,205
Fluticasone Propionate Generic 59 33 $1,541
Azithromycin Generic 57 37 $263
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 45 0 $23,955

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Natalie Ritzheimer's medical specialty?
Dr. Natalie Ritzheimer practices Physician Assistant in Maryville, IL.
Where does Dr. Natalie Ritzheimer practice?
Dr. Natalie Ritzheimer practices at 6812 State Route 162 Ste 202, Maryville, IL 620628562. Office phone: 6182886844.
What is Dr. Natalie Ritzheimer's NPI?
Dr. Natalie Ritzheimer's National Provider Identifier (NPI) is 1356821383, issued by NPPES.
Does Dr. Natalie Ritzheimer accept Medicare assignment?
Yes. Dr. Natalie Ritzheimer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natalie Ritzheimer 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); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.