Maredy Sar, FNP-BC
NPI 1598368045 · Family Nurse Practitioner · Lynn, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maredy Sar, FNP-BC is a Family Nurse Practitioner provider in Lynn, MA (NPI 1598368045).
Provider details
- NPI number
- 1598368045
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- RN2318619 (MA)
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
423 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 101 | $78 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 93 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $110 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 25 | $110 |
| Administration of Influenza Virus VaccineG0008 | 25 | $33 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 22 | $198 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 257 | 74 |
| Amlodipine Besylate | 246 | 63 |
| Metformin Hcl | 211 | 55 |
| Losartan Potassium | 205 | 60 |
| Atorvastatin Calcium | 181 | 49 |
| Metoprolol Succinate | 150 | 37 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$621 across 29 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
- 2020-11-18
- Last updated
- 2022-10-23
- Certified
- 2022-10-23
Frequently asked questions
- What is Maredy Sar's NPI number?
- Maredy Sar's National Provider Identifier (NPI) is 1598368045, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maredy Sar's specialty?
- Maredy Sar is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maredy Sar located?
- Maredy Sar's practice location on file with NPPES is 280 Union St Ste 402, Lynn, MA 01901-1353.
- What is Maredy Sar's phone number?
- The practice phone number listed in the NPPES registry for Maredy Sar is (781) 780-7755.
- Does Maredy Sar accept Medicare?
- Maredy Sar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maredy Sar's NPI active?
- Yes — Maredy Sar's NPI (1598368045) is active in the NPPES registry as of the last update on 2022-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.