NPPES file of Aug 9, 2026

Maredy Sar, FNP-BC

Family Nurse Practitioner · Lynn, MA

Maredy Sar, FNP-BC is a family nurse practitioner with a practice address in Lynn, Massachusetts, and NPI 1598368045, issued on Nov 18, 2020. Check the license (Massachusetts RN2318619, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598368045
Name
Maredy Sar
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2318619 MA
Self-reported in NPPES; status is on the state search
Practice location
280 Union St Ste 402, Lynn, MA 01901
Phone
(781) 780-7755
Enumerated
Nov 18, 2020
Record last updated
Oct 23, 2022
Fax
(781) 598-0243
Medicare enrollment
Enrolled (PECOS I20230124000085); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 280 Union St Ste 402

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Channa Khan, CMANurse's Aide1013692979

Verify Maredy Sar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2318619
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
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3.1 times the Medicare Part D claims of the average family nurse practitioner in 2024

4,074 Medicare Part D claims for 241 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 39 claims were for opioids.

  1. Maredy Sar4,074
  2. Specialty average1,305

Most prescribed

  1. Rosuvastatin Calcium257 claims
  2. Amlodipine Besylate246 claims
  3. Metformin Hcl211 claims
  4. Losartan Potassium205 claims
  5. Atorvastatin Calcium181 claims
  6. Metoprolol Succinate150 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $621.06

29 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maredy Sar$621.06
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Bayon Medical Group, LLCLowell, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

36 family nurse practitioner records list a practice address in Lynn

They are 36 of the 2,030 NPPES records with a practice address in Lynn, and 4,724 family nurse practitioner records in Massachusetts.

Other family nurse practitioner records in Massachusetts

  1. Christina Abate, N.P.Boston, MA1235414970
  2. Katelynne Abbott, NPDanvers, MA1932355880
  3. Georgette Abboud, FNP-CHanscom Afb, MA1538593686
  4. Irfana Abdulhameed, FNPNorthborough, MA1417661786
  5. Christina Abouleish, NPNorwell, MA1700515772
  6. Christine Abraham, NPSouthborough, MA1215774658
  7. Catherine Abrams, FNP-CNorth Dartmouth, MA1528790599
  8. Wendy Abrams, FNPBoston, MA1962557801
  9. Michelle Abreu, FNP-BCArlington, MA1346138914
  10. Karolyn Abreu Blanco, FNP-BCLawrence, MA1043007644

Common questions

What is Maredy Sar, FNP-BC's NPI number?

Maredy Sar, FNP-BC's National Provider Identifier (NPI) is 1598368045, issued on Nov 18, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Maredy Sar, FNP-BC located?

The NPPES record lists a practice address at 280 Union St Ste 402, Lynn, MA, 01901. Phone: (781) 780-7755. Providers update this record themselves, so call before visiting.

How can I verify Maredy Sar, FNP-BC's license?

NPPES lists Massachusetts license number RN2318619, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Maredy Sar, FNP-BC prescribe under Medicare Part D?

In 2024, Maredy Sar, FNP-BC had 4,074 Medicare Part D claims for 241 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.