Marissa Lowrie, FNP
NPI 1801382825 · Family Nurse Practitioner · Darien, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Lowrie, FNP is a Family Nurse Practitioner provider in Darien, CT (NPI 1801382825).
Provider details
- NPI number
- 1801382825
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 343256 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
231 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 164 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $114 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 16 | $13 |
Typical Medicare-allowed amounts for these services range $13–$114 (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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 42 | 14 |
| Diclofenac Sodium | 40 | 25 |
| Semaglutidebrand: Ozempic | 39 | — |
| Amlodipine Besylate | 31 | 11 |
| Omeprazole | 29 | — |
| Rosuvastatin Calcium | 25 | 14 |
| Atorvastatin Calcium |
Practice location
Mailing address
Additional practice locations (2)
- 800 Howard Ave Fl 1New Haven, CT 06519-1369Phone: (203) 785-7411
- 7517 Metropolitan AveMiddle Village, NY 11379-2638Phone: (718) 326-0400
Registry dates
- Enumerated
- 2018-07-02
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Marissa Lowrie's NPI number?
- Marissa Lowrie's National Provider Identifier (NPI) is 1801382825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Lowrie's specialty?
- Marissa Lowrie is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Lowrie located?
- Marissa Lowrie's practice location on file with NPPES is 104 Heights Rd, Darien, CT 06820-4119.
- What is Marissa Lowrie's phone number?
- The practice phone number listed in the NPPES registry for Marissa Lowrie is (888) 663-6331.
- Does Marissa Lowrie accept Medicare?
- Marissa Lowrie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Lowrie's NPI active?
- Yes — Marissa Lowrie's NPI (1801382825) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.