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.
- 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
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 529 Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rorn Seng-Yem in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2885015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
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.
All 4,724 in Massachusetts → Every provider in Charlestown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ernsy AlabreCharlestown, MA 021291225461841
- Sara Callahan, FNPCharlestown, MA 021291942722533
- Ellen Coletti, NPCharlestown, MA 021291902945371
- Alice Currie, FNP-BCCharlestown, MA 021291396169652
- Mara JoyCharlestown, MA 021291043736663
- Eileen McAdams, NPCharlestown, MA 021291063602183
- Julia McAndrew, MSN, MPH, FNP-BCCharlestown, MA 021291033665773
- 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.