NPPES file of Aug 9, 2026

Rorn Seng-Yem, NP

Family Nurse Practitioner · Charlestown, MA

Rorn Seng-Yem, NP is a family nurse practitioner with a practice address in Charlestown, Massachusetts, and NPI 1821497868, issued on Aug 15, 2014. Check the license (Massachusetts RN2885015, 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
1821497868
Name
Rorn Seng-Yem
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2885015 MA
Self-reported in NPPES; status is on the state search
Practice location
529 Main Street, Charlestown, MA 02129
Phone
(617) 600-3195
Enumerated
Aug 15, 2014
Record last updated
Apr 1, 2016 (not updated in 10 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 529 Main Street

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

  1. Sharon Edwards, RNAmbulatory Care Registered Nurse1932532330
  2. Azita Negahban, DMDGeneral Practice Dentistry1487728606
  3. Florence Nwachukwu, RNCase Management Registered Nurse1376928721

Verify Rorn Seng-Yem 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 RN2885015
    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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96% fewer Medicare Part D claims than the average family nurse practitioner in 2024

55 Medicare Part D claims for 32 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Rorn Seng-Yem55
  2. Specialty average1,305

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.

Rorn Seng-Yem among 4,724 family nurse practitioner records in Massachusetts

Rorn Seng-Yem, NP 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 fileNo · 57% of these records are
  • Record last updated2016 · 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).

17 family nurse practitioner records list a practice address in Charlestown

They are 17 of the 421 NPPES records with a practice address in Charlestown, and 4,724 family nurse practitioner records in Massachusetts.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Ernsy AlabreCharlestown, MA 021291225461841
  2. Sara Callahan, FNPCharlestown, MA 021291942722533
  3. Ellen Coletti, NPCharlestown, MA 021291902945371
  4. Alice Currie, FNP-BCCharlestown, MA 021291396169652
  5. Mara JoyCharlestown, MA 021291043736663
  6. Eileen McAdams, NPCharlestown, MA 021291063602183
  7. Julia McAndrew, MSN, MPH, FNP-BCCharlestown, MA 021291033665773
  8. Agnes Nansubuga, NPCharlestown, MA 021291831517895

Common questions

What is Rorn Seng-Yem, NP's NPI number?

Rorn Seng-Yem, NP's National Provider Identifier (NPI) is 1821497868, issued on Aug 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Rorn Seng-Yem, NP located?

The NPPES record lists a practice address at 529 Main Street, Charlestown, MA, 02129. Phone: (617) 600-3195. Providers update this record themselves, so call before visiting.

How can I verify Rorn Seng-Yem, NP's license?

NPPES lists Massachusetts license number RN2885015, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Rorn Seng-Yem, NP prescribe under Medicare Part D?

In 2024, Rorn Seng-Yem, NP had 55 Medicare Part D claims for 32 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.