Marissa Parrish, APRN
NPI 1861186389 · Gerontology Nurse Practitioner · Clearwater, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Parrish, APRN is a Gerontology Nurse Practitioner provider in Clearwater, FL (NPI 1861186389).
Provider details
- NPI number
- 1861186389
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 11026778 (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 tenure33% of score
3 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 214 | 89 |
| Pantoprazole Sodium | 178 | 70 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 154 | 153 |
| Esomeprazole Magnesium | 51 | 23 |
| Famotidine | 49 | 25 |
| Lipase/Protease/Amylasebrand: Creon | 34 | 12 |
| Dicyclomine Hcl | 34 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,783 across 73 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)
- 646 Virginia St Fl 2Dunedin, FL 34698-6612Phone: (727) 443-7700
Registry dates
- Enumerated
- 2023-06-07
- Last updated
- 2024-06-19
- Certified
- 2024-06-19
Frequently asked questions
- What is Marissa Parrish's NPI number?
- Marissa Parrish's National Provider Identifier (NPI) is 1861186389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Parrish's specialty?
- Marissa Parrish is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Parrish located?
- Marissa Parrish's practice location on file with NPPES is 508 Jeffords St Ste D, Clearwater, FL 33756-3839.
- What is Marissa Parrish's phone number?
- The practice phone number listed in the NPPES registry for Marissa Parrish is (727) 443-7700.
- Does Marissa Parrish accept Medicare?
- Marissa Parrish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Parrish's NPI active?
- Yes — Marissa Parrish's NPI (1861186389) is active in the NPPES registry as of the last update on 2024-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.