Marisa Letheby, MSN, FNP-C, FNP-BC
NPI 1891398392 · Nurse Practitioner · Staten Island, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marisa Letheby, MSN, FNP-C, FNP-BC is a Nurse Practitioner provider in Staten Island, NY (NPI 1891398392).
Provider details
- NPI number
- 1891398392
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP-C, FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 346781 (NY)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
89 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 47 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $124 |
Typical Medicare-allowed amounts for these services range $14–$124 (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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 125 | 51 |
| Rosuvastatin Calcium | 84 | 40 |
| Atorvastatin Calcium | 75 | 34 |
| Losartan Potassium | 47 | 20 |
| Apixabanbrand: Eliquis | 33 | 13 |
| Evolocumabbrand: Repatha Sureclick | 30 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$282 across 10 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
Registry dates
- Enumerated
- 2020-11-17
- Last updated
- 2024-10-16
- Certified
- 2024-10-16
Frequently asked questions
- What is Marisa Letheby's NPI number?
- Marisa Letheby's National Provider Identifier (NPI) is 1891398392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marisa Letheby's specialty?
- Marisa Letheby is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marisa Letheby located?
- Marisa Letheby's practice location on file with NPPES is 1161 Victory Blvd, Staten Island, NY 10301-3621.
- What is Marisa Letheby's phone number?
- The practice phone number listed in the NPPES registry for Marisa Letheby is (718) 818-1162.
- Does Marisa Letheby accept Medicare?
- Marisa Letheby is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marisa Letheby's NPI active?
- Yes — Marisa Letheby's NPI (1891398392) is active in the NPPES registry as of the last update on 2024-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.