NPPES file of Aug 9, 2026

Sylvia Massmanian, FNP-BC

Family Nurse Practitioner · Lexington, MA

Sylvia Massmanian, FNP-BC is a family nurse practitioner with a practice address in Lexington, Massachusetts, and NPI 1942618483, issued on Jul 29, 2014. Check the license (Massachusetts RN2273216, 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
1942618483
Name
Sylvia Massmanian
Credential
FNP-BC
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2273216 MA
Self-reported in NPPES; status is on the state search
Practice location
14 Green LN, Lexington, MA 02421
Phone
(781) 330-6876
Enumerated
Jul 29, 2014
Record last updated
Jul 29, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20141231000757); 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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Verify Sylvia Massmanian 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 RN2273216
    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
Find the Massachusetts license search

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81% fewer Medicare Part D claims than the average family nurse practitioner in 2024

249 Medicare Part D claims for 119 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Sylvia Massmanian249
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium31 claims
  2. Jardiance11 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.

Bills Medicare through 2 group practices

  1. AT Care PLLCWoburn, MA
  2. Mass General Brigham Community Physicians IncBurlington, MA

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

Sylvia Massmanian among 4,724 family nurse practitioner records in Massachusetts

Sylvia Massmanian, FNP-BC is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 30% of them.

  • NPI issued2014 · 30% of these records are older, 66% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2014 · median 2019 among the 2,704 with a school on file
  • Record last updated2014 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 family nurse practitioner records list a practice address in Lexington

They are 10 of the 1,467 NPPES records with a practice address in Lexington, and 4,724 family nurse practitioner records in Massachusetts.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Kathleen Belmonte, N.PLexington, MA 024211720144736
  2. Kasey Moffat, FNPLexington, MA 024211912781832
  3. Lucy Partridge, NPLexington, MA 024211407214240
  4. Christina Sok, NPLexington, MA 024211184225161
  5. Kathleen Corley, NPLexington, MA 024201548359029
  6. Jane Ferro, FNP-BCLexington, MA 024201295437259
  7. Rina PatelLexington, MA 024201235615659
  8. Casey SweeneyLexington, MA 024201174774459

Common questions

What is Sylvia Massmanian, FNP-BC's NPI number?

Sylvia Massmanian, FNP-BC's National Provider Identifier (NPI) is 1942618483, issued on Jul 29, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Sylvia Massmanian, FNP-BC located?

The NPPES record lists a practice address at 14 Green LN, Lexington, MA, 02421. Phone: (781) 330-6876. Providers update this record themselves, so call before visiting.

How can I verify Sylvia Massmanian, FNP-BC's license?

NPPES lists Massachusetts license number RN2273216, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Sylvia Massmanian, FNP-BC prescribe under Medicare Part D?

In 2024, Sylvia Massmanian, FNP-BC had 249 Medicare Part D claims for 119 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.