Doctor profile · Federal record

Dr. Marissa Stewart, PA-C

Physician Assistant · Daytona Beach, FL

  • NPI 1033707542
  • Accepts Medicare
  • MIPS 72.7 / 100 · 2023
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
305 Memorial Medical Pkwy Ste 401
Daytona Beach, FL 321175169
(386) 231-3540
Additional location
3437 Caroline St
Saint Louis, MO 631041111
(314) 977-6338

Credentials & registration

NPPES · NUCC
NPI registered
January 2021 — 5 yrs on file
Profile last updated
October 31, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Florida #9115960

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033707542. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
469
Distinct HCPCS
6
Medicare allowed
$36,921
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 260 116 $66
99213 Established patient office or other outpatient visit, 20-29 minutes 107 82 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 17 $100
99204 New patient office or other outpatient visit, 45-59 minutes 32 32 $140
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 23 23 $110
99214 Established patient office or other outpatient visit, 30-39 minutes 13 11 $104

In context: peer comparison

Among 27 peers in Daytona Beach Physician Assistant, average services per provider: 95. This provider delivers 4.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$203
Transactions
8
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Novocure INC. 2 $53.58
Zimvie INC. 1 $44.40
Orthofix Medical, INC. 1 $31.33
ConvaTec INC. 2 $30.78
Servier Pharmaceuticals LLC 1 $24.24
Theragen, INC. 1 $18.20

By nature of payment

Food and Beverage
$203

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
217
Patients
163
Total drug cost
$1,955
Drug Type Claims Patients Total cost
Methocarbamol Generic 78 54 $636
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 49 42 $469
Gabapentin Generic 39 21 $508
Tizanidine Hcl Generic 23 18 $140
Ciprofloxacin Hcl Generic 14 14 $76
Methylprednisolone Generic 14 14 $125

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Stewart's medical specialty?
Dr. Marissa Stewart practices Physician Assistant in Daytona Beach, FL.
Where does Dr. Marissa Stewart practice?
Dr. Marissa Stewart practices at 305 Memorial Medical Pkwy Ste 401, Daytona Beach, FL 321175169. Office phone: 3862313540.
What is Dr. Marissa Stewart's NPI?
Dr. Marissa Stewart's National Provider Identifier (NPI) is 1033707542, issued by NPPES.
Does Dr. Marissa Stewart accept Medicare assignment?
Yes. Dr. Marissa Stewart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Stewart commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.