Mariana Day, APRN
NPI 1285300848 · Family Nurse Practitioner · Dover, NH
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariana Day, APRN is a Family Nurse Practitioner provider in Dover, NH (NPI 1285300848).
Provider details
- NPI number
- 1285300848
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- CNP211403 (ME)
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
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
90 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 46 | $113 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 22 | $18 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 22 | $12 |
Typical Medicare-allowed amounts for these services range $12–$113 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 83 | 42 |
| Apixabanbrand: Eliquis | 79 | 38 |
| Atorvastatin Calcium | 64 | 36 |
| Carvedilol | 38 | 16 |
| Lisinopril | 36 | 18 |
| Furosemide | 32 | 18 |
| Amlodipine Besylate | 31 |
Practice location
Mailing address
Additional practice locations (1)
- 99 Campus Ave Ste 301Lewiston, ME 04240-6045Phone: (207) 777-5300
Registry dates
- Enumerated
- 2021-08-23
- Last updated
- 2024-05-02
- Certified
- 2024-05-02
Frequently asked questions
- What is Mariana Day's NPI number?
- Mariana Day's National Provider Identifier (NPI) is 1285300848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariana Day's specialty?
- Mariana Day is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariana Day located?
- Mariana Day's practice location on file with NPPES is 19 Old Rollinsford Rd Bldg B, Dover, NH 03820-2807.
- What is Mariana Day's phone number?
- The practice phone number listed in the NPPES registry for Mariana Day is (603) 516-4265.
- Does Mariana Day accept Medicare?
- Mariana Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariana Day's NPI active?
- Yes — Mariana Day's NPI (1285300848) is active in the NPPES registry as of the last update on 2024-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.