NPPES file of Aug 9, 2026

Nancy Merrill, RNCS

Clinical Nurse Specialist · Belmont, MA

Nancy Merrill, RNCS is a clinical nurse specialist with a practice address in Belmont, Massachusetts, and NPI 1194892836, issued on Nov 29, 2006. Check the license (Massachusetts 139949, 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
1194892836
Name
Nancy Merrill
Credential
RNCS
Primary taxonomy
Clinical Nurse Specialist 364S00000X
License number
139949 MA
Self-reported in NPPES; status is on the state search
Practice location
115 Mill St, Belmont, MA 02478
Phone
(617) 855-3425
Enumerated
Nov 29, 2006
Record last updated
Jul 8, 2007 (not updated in 19 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 115 Mill St

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

  1. Blaise Aguirre, MDChild & Adolescent Psychiatry Physician1619936846
  2. Kayia Akoun, M.D.Psychiatry Physician1588028732
  3. Rana Alam-RomanosSocial Worker1487420311
  4. Robert Alexander, M.D.Psychiatry Physician1447526074
  5. Madeleine AllenStudent in an Organized Health Care Education/Training Program1205553971
  6. Danielle Alleven, PSY.D.Clinical Psychologist1891741153

Verify Nancy Merrill 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 139949
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average clinical nurse specialist in 2024

13 Medicare Part D claims, against an average of 957 among the 361 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Nancy Merrill13
  2. Specialty average957

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.

Nancy Merrill among 58 clinical nurse specialist records in Massachusetts

Nancy Merrill, RNCS is one of 58 clinical nurse specialist records with a practice address in Massachusetts. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 45% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 10% of these records are
  • Record last updated2007 · 76% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 364S00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 clinical nurse specialist records list a practice address in Belmont

They are 10 of the 1,008 NPPES records with a practice address in Belmont, and 58 clinical nurse specialist records in Massachusetts.

The 8 clinical nurse specialist records with the nearest ZIP codes

  1. Carol Glod, RNCSBelmont, MA 024781144397233
  2. Melanie Kimball, RNCSBelmont, MA 024781306928437
  3. Lynne Kopeski, RNCSBelmont, MA 024781225105372
  4. Noelle Rubel, APRN, BCBelmont, MA 024781467533083
  5. Karen Slifka, RNCSBelmont, MA 024781578630661
  6. Lovella Slusser, RNCSBelmont, MA 024781275615395
  7. Gail Tsimprea, APRN, BCBelmont, MA 024781972559573
  8. Danielle Webster, RNCSBelmont, MA 024781780769059

Common questions

What is Nancy Merrill, RNCS's NPI number?

Nancy Merrill, RNCS's National Provider Identifier (NPI) is 1194892836, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Merrill, RNCS located?

The NPPES record lists a practice address at 115 Mill St, Belmont, MA, 02478. Phone: (617) 855-3425. Providers update this record themselves, so call before visiting.

How can I verify Nancy Merrill, RNCS's license?

NPPES lists Massachusetts license number 139949, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Nancy Merrill, RNCS prescribe under Medicare Part D?

In 2024, Nancy Merrill, RNCS had 13 Medicare Part D claims; the average among clinical nurse specialist prescribers was 957. 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.