Doctor profile · Federal record

Dr. Tracy Riordan, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Imperial, MO

  • NPI 1124094362
  • Accepts Medicare
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1254 Main St
Imperial, MO 630523861
(636) 741-3130
Mailing address
1254 Main Street
Imperial, MO 63052

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
September 20, 2017
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #2002013047
Medicaid
MO #1124094362

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124094362. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
802
Distinct HCPCS
10
Medicare allowed
$56,840
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 237 174 $125
36415 Insertion of needle into vein for collection of blood sample 152 108 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 107 107 $128
83036 Hemoglobin a1c level 86 67 $10
G0008 Administration of influenza virus vaccine 42 41 $30
90662 Influenza vaccine split virus, preservative free 39 38 $72
82044 Urine microalbumin (protein) analysis 29 28 $6
82570 Creatinine level to test for kidney function or muscle injury 29 28 $5
G0009 Administration of pneumococcal vaccine 20 20 $30
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 17 17 $282

In context: peer comparison

Among 1 peers in this city , average services per provider: 61. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$892
Transactions
55
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 28 $450.73
GlaxoSmithKline, LLC. 11 $141.83
AstraZeneca Pharmaceuticals LP 5 $94.93
Novo Nordisk Inc 3 $58.35
Novartis Pharmaceuticals Corporation 2 $32.89
PFIZER INC. 2 $29.07
Abbott Laboratories 1 $24.41
Nevro Corp. 1 $23.25
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 1 $20.16
Lilly USA, LLC 1 $16.33

By nature of payment

Food and Beverage
$892

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,180
Patients
950
Total drug cost
$41,161
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 606 176 $7,087
Levothyroxine Sodium Generic 322 87 $4,755
Lisinopril Generic 314 89 $2,477
Amlodipine Besylate Generic 233 70 $1,463
Hydrochlorothiazide Generic 219 67 $750
Losartan Potassium Generic 214 68 $2,761
Rosuvastatin Calcium Generic 173 59 $2,624
Omeprazole Generic 170 58 $2,699
Pantoprazole Sodium Generic 166 49 $2,645
Metformin Hcl Generic 143 41 $1,339

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tracy Riordan's medical specialty?
Dr. Tracy Riordan practices Internal Medicine Physician in Imperial, MO.
Where does Dr. Tracy Riordan practice?
Dr. Tracy Riordan practices at 1254 Main St, Imperial, MO 630523861. Office phone: 6367413130.
What is Dr. Tracy Riordan's NPI?
Dr. Tracy Riordan's National Provider Identifier (NPI) is 1124094362, issued by NPPES.
Does Dr. Tracy Riordan accept Medicare assignment?
Yes. Dr. Tracy Riordan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tracy Riordan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.