Doctor profile · Federal record

Dr. Marissa Lewis, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Saint Louis, MO

  • NPI 1164874822
  • Accepts Medicare
  • MIPS 83.7 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
660 S Euclid Ave
Saint Louis, MO 631101010
(314) 747-4156
Mailing address
2627 Heger CT
Saint Louis, MO 631103417

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
October 25, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Missouri #2019016334

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164874822. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,490
Distinct HCPCS
10
Medicare allowed
$828,415
HCPCS Description Services Patients Avg allowed
95816 Measurement of brain wave activity (eeg), awake and drowsy 1,276 22 $369
99213 Established patient office or other outpatient visit, 20-29 minutes 1,266 20 $88
90901 Biofeedback training 1,247 20 $40
96112 Administration of developmental test, first hour 635 15 $123
96116 Exam of neurobehavioral status, first hour 632 18 $91
99285 Emergency department visit with high level of medical decision making 214 212 $172
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 78 77 $7
99291 Critical care, first 30-74 minutes 73 73 $208
99284 Emergency department visit with moderate level of medical decision making 41 39 $118
99214 Established patient office or other outpatient visit, 30-39 minutes 16 14 $124

In context: peer comparison

Among 121 peers in Saint Louis Emergency Medicine Physician, average services per provider: 92. This provider delivers 60× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Csl Behring 1 $18.26

By nature of payment

Food and Beverage
$18

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Lewis's medical specialty?
Dr. Marissa Lewis practices Emergency Medicine Physician in Saint Louis, MO.
Where does Dr. Marissa Lewis practice?
Dr. Marissa Lewis practices at 660 S Euclid Ave, Saint Louis, MO 631101010. Office phone: 3147474156.
What is Dr. Marissa Lewis's NPI?
Dr. Marissa Lewis's National Provider Identifier (NPI) is 1164874822, issued by NPPES.
Does Dr. Marissa Lewis accept Medicare assignment?
Yes. Dr. Marissa Lewis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Lewis commonly perform?
Top Medicare-reported procedures in 2023: Measurement of brain wave activity (eeg), awake and drowsy (HCPCS 95816); Established patient office or other outpatient visit (HCPCS 99213); Biofeedback training (HCPCS 90901). Source: CMS Medicare Physician & Other Practitioners file.