NPPES file of Aug 9, 2026

Katherine Marcinkus, NP

Family Nurse Practitioner · Concord, MA

Katherine Marcinkus, NP is a family nurse practitioner with a practice address in Concord, Massachusetts, and NPI 1427895218, issued on Jul 10, 2024. Check the license (Massachusetts CNPNE10001289, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427895218
Name
Katherine Marcinkus
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CNPNE10001289 MA
Self-reported in NPPES; status is on the state search
Practice location
131 Old Road TO 9 Acre Cor Ste 710, Concord, MA 01742
Phone
(978) 371-5386
Enumerated
Jul 10, 2024
Record last updated
Jul 10, 2024
Medicare enrollment
Enrolled (PECOS I20250106002611); accepts Medicare assignment
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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8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →

Verify Katherine Marcinkus 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 CNPNE10001289    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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Bills Medicare through one group practice

  1. Emerson Practice Associates, IncConcord, MA

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

Katherine Marcinkus among 4,724 family nurse practitioner records in Massachusetts

Katherine Marcinkus, 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 2024, is newer than 86% of them.

  • NPI issued2024 · 86% of these records are older, 8% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2024 · median 2019 among the 2,704 with a school on file
  • Record last updated2024 · 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).

23 family nurse practitioner records list a practice address in Concord

They are 23 of the 1,078 NPPES records with a practice address in Concord, and 4,724 family nurse practitioner records in Massachusetts.

All 4,724 in Massachusetts → Every provider in Concord → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Kaitlyn Brennan, NP-CConcord, MA 017421609218072
  2. Elizabeth Conway, NPConcord, MA 017421689643231
  3. Rosemarie Dolan-Lee, CFNPConcord, MA 017421073579389
  4. Diana Garcia, APRNConcord, MA 017421023678216
  5. Richard Heneghan, RNNPConcord, MA 017421316243587
  6. Elizabeth Henson, MSN, APRN, FNP-CConcord, MA 017421578016481
  7. Vannary Khim, MS, RN, FNP-CConcord, MA 017421093220428
  8. Donna Kulas, R.N.C. , M.S., N.P.Concord, MA 017421184736969

Common questions

What is Katherine Marcinkus, NP's NPI number?

Katherine Marcinkus, NP's National Provider Identifier (NPI) is 1427895218, issued on Jul 10, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Marcinkus, NP located?

The NPPES record lists a practice address at 131 Old Road TO 9 Acre Cor Ste 710, Concord, MA, 01742. Phone: (978) 371-5386. Providers update this record themselves, so call before visiting.

How can I verify Katherine Marcinkus, NP's license?

NPPES lists Massachusetts license number CNPNE10001289, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.