Marissa Diloreto
NPI 1851967285 · Certified Registered Nurse Anesthetist · Portsmouth, NH
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Diloreto is a Certified Registered Nurse Anesthetist provider in Portsmouth, NH (NPI 1851967285).
Provider details
- NPI number
- 1851967285
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 977058-23 (NH)
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 tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
140 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 42 | $122 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 26 | $308 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 21 | $88 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 21 | $61 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 15 | $104 |
| Anesthesia for X-Ray Or Radiation Therapy01922 | 15 | $173 |
Typical Medicare-allowed amounts for these services range $61–$308 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-27
- Last updated
- 2023-09-18
- Certified
- 2023-09-18
Frequently asked questions
- What is Marissa Diloreto's NPI number?
- Marissa Diloreto's National Provider Identifier (NPI) is 1851967285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Diloreto's specialty?
- Marissa Diloreto is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Diloreto located?
- Marissa Diloreto's practice location on file with NPPES is 333 Borthwick Ave Ste 100, Portsmouth, NH 03801-4198.
- What is Marissa Diloreto's phone number?
- The practice phone number listed in the NPPES registry for Marissa Diloreto is (603) 436-5110.
- Does Marissa Diloreto accept Medicare?
- Marissa Diloreto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Diloreto's NPI active?
- Yes — Marissa Diloreto's NPI (1851967285) is active in the NPPES registry as of the last update on 2023-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.