NPPES file of Aug 9, 2026

Margaret Seldin, WHNP-BC

Registered Nurse · Springfield, MA

Margaret Seldin, WHNP-BC is a registered nurse with a practice address in Springfield, Massachusetts, and NPI 1538777156, issued on Jul 20, 2020. Check the license (Massachusetts RN2344456, 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
1538777156
Name
Margaret Seldin
Credential
WHNP-BC
Primary taxonomy
Registered Nurse 163W00000X
License number
RN2344456 MA
Self-reported in NPPES; status is on the state search
Practice location
3550 Main St Ste 201, Springfield, MA 01107
Phone
(617) 872-7109
Enumerated
Jul 20, 2020
Record last updated
Jul 20, 2020 (not updated in 6 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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Verify Margaret Seldin 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 RN2344456
    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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94% fewer Medicare Part D claims than the average registered nurse in 2024

41 Medicare Part D claims for 14 beneficiaries, against an average of 678 among the 694 providers of this specialty who prescribed in Part D.

  1. Margaret Seldin41
  2. Specialty average678

Most prescribed

  1. Testosterone Cypionate11 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.

Margaret Seldin among 4,985 registered nurse records in Massachusetts

Margaret Seldin, WHNP-BC is one of 4,985 registered nurse records with a practice address in Massachusetts. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 50% of them.

  • NPI issued2020 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2020 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

153 registered nurse records list a practice address in Springfield

They are 153 of the 8,553 NPPES records with a practice address in Springfield, and 4,985 registered nurse records in Massachusetts.

The 8 registered nurse records with the nearest ZIP codes

  1. Gabriela Aviles, RNSpringfield, MA 011071619548914
  2. Kasey BelairSpringfield, MA 011071871376137
  3. Margaret Bowler, RNSpringfield, MA 011071801120142
  4. Jessica GorrieSpringfield, MA 011071851063465
  5. Kathryn Hogan, RNSpringfield, MA 011071861225914
  6. Robyn Laferriere, RNSpringfield, MA 011071881362085
  7. Linda Lynch, RN, LADC 1Springfield, MA 011071003032582
  8. Maria Majka, R.N.Springfield, MA 011071912231978

Common questions

What is Margaret Seldin, WHNP-BC's NPI number?

Margaret Seldin, WHNP-BC's National Provider Identifier (NPI) is 1538777156, issued on Jul 20, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Seldin, WHNP-BC located?

The NPPES record lists a practice address at 3550 Main St Ste 201, Springfield, MA, 01107. Phone: (617) 872-7109. Providers update this record themselves, so call before visiting.

How can I verify Margaret Seldin, WHNP-BC's license?

NPPES lists Massachusetts license number RN2344456, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Margaret Seldin, WHNP-BC prescribe under Medicare Part D?

In 2024, Margaret Seldin, WHNP-BC had 41 Medicare Part D claims for 14 beneficiaries; the average among registered nurse prescribers was 678. 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.