Doctor profile · Federal record

Dr. Stephanie Massey, D.O.

Family Medicine Physician (CMS: Family Practice) · Fenton, MO

  • NPI 1801236393
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1345 Smizer Mill RD Ste 1100
Fenton, MO 630267305
(636) 496-5023
fax (636) 496-5055
Mailing address
Po Box 955534
Saint Louis, MO 631955534

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
November 3, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Missouri #2015029972

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801236393. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
711
Distinct HCPCS
10
Medicare allowed
$74,188
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 301 178 $122
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 165 165 $125
G0008 Administration of influenza virus vaccine 48 48 $30
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 45 45 $76
83036 Hemoglobin a1c level 42 30 $10
90480 Admn sarscov2 vacc 1 dose 21 21 $40
91320 Sarscv2 vac 30mcg trs-suc im 21 21 $128
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 20 20 $282
G0009 Administration of pneumococcal vaccine 19 19 $30
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $88

In context: peer comparison

Among 10 peers in Fenton Family Medicine Physician, average services per provider: 76. This provider delivers 9.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $18.06

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,028
Patients
829
Total drug cost
$40,609
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 440 129 $4,747
Levothyroxine Sodium Generic 300 81 $5,298
Lisinopril Generic 281 81 $2,360
Amlodipine Besylate Generic 225 65 $1,612
Losartan Potassium Generic 207 55 $2,479
Alprazolam Generic 201 46 $950
Pantoprazole Sodium Generic 199 56 $3,015
Omeprazole Generic 193 57 $3,185
Gabapentin Generic 188 47 $4,368
Simvastatin Generic 154 41 $1,902

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephanie Massey's medical specialty?
Dr. Stephanie Massey practices Family Medicine Physician in Fenton, MO.
Where does Dr. Stephanie Massey practice?
Dr. Stephanie Massey practices at 1345 Smizer Mill RD Ste 1100, Fenton, MO 630267305. Office phone: 6364965023.
What is Dr. Stephanie Massey's NPI?
Dr. Stephanie Massey's National Provider Identifier (NPI) is 1801236393, issued by NPPES.
Does Dr. Stephanie Massey accept Medicare assignment?
Yes. Dr. Stephanie Massey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Massey commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.