Amber Mastronardi, FNP-C
NPI 1346021672 · Family Nurse Practitioner · Rockport, ME
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amber Mastronardi, FNP-C is a Family Nurse Practitioner provider in Rockport, ME (NPI 1346021672).
Provider details
- NPI number
- 1346021672
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- CNP231555 (ME)
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
2 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
54 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 | 23 | $77 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 19 | $52 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 12 | $106 |
Typical Medicare-allowed amounts for these services range $52–$106 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 59 | 31 |
| Omeprazole | 43 | 21 |
| Pantoprazole Sodium | 33 | 13 |
| Colestipol Hcl | 22 | 13 |
| Lubiprostone | 20 | — |
| Linaclotidebrand: Linzess | 16 | — |
| Cholestyramine (with Sugar)brand: Cholestyramine | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-10-12
- Last updated
- 2023-11-20
- Certified
- 2023-11-20
Frequently asked questions
- What is Amber Mastronardi's NPI number?
- Amber Mastronardi's National Provider Identifier (NPI) is 1346021672, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amber Mastronardi's specialty?
- Amber Mastronardi is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Amber Mastronardi located?
- Amber Mastronardi's practice location on file with NPPES is 4 Glen Cove Dr Ste 103, Rockport, ME 04856-4236.
- What is Amber Mastronardi's phone number?
- The practice phone number listed in the NPPES registry for Amber Mastronardi is (207) 301-5970.
- Does Amber Mastronardi accept Medicare?
- Amber Mastronardi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amber Mastronardi's NPI active?
- Yes — Amber Mastronardi's NPI (1346021672) is active in the NPPES registry as of the last update on 2023-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.