Marissa Stewart, PA-C
NPI 1033707542 · Physician Assistant · Daytona Beach, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Stewart, PA-C is a Physician Assistant provider in Daytona Beach, FL (NPI 1033707542).
Provider details
- NPI number
- 1033707542
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 9115960 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
319 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 162 | $65 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 88 | $75 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 49 | $139 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 20 | $109 |
Typical Medicare-allowed amounts for these services range $65–$139 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methocarbamol | 90 | 52 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 83 | 61 |
| Gabapentin | 57 | 29 |
| Tizanidine Hcl | 43 | 27 |
| Cyclobenzaprine Hcl | 22 | 16 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 16 | — |
| Methylprednisolone | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$203 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3437 Caroline StSaint Louis, MO 63104-1111Phone: (314) 977-6338
Registry dates
- Enumerated
- 2021-01-10
- Last updated
- 2022-10-31
- Certified
- 2022-10-31
Frequently asked questions
- What is Marissa Stewart's NPI number?
- Marissa Stewart's National Provider Identifier (NPI) is 1033707542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Stewart's specialty?
- Marissa Stewart is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Stewart located?
- Marissa Stewart's practice location on file with NPPES is 305 Memorial Medical Pkwy Ste 401, Daytona Beach, FL 32117-5169.
- What is Marissa Stewart's phone number?
- The practice phone number listed in the NPPES registry for Marissa Stewart is (386) 231-3540.
- Does Marissa Stewart accept Medicare?
- Marissa Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Stewart's NPI active?
- Yes — Marissa Stewart's NPI (1033707542) is active in the NPPES registry as of the last update on 2022-10-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.