NPPES file of Aug 9, 2026

Ellen Katz, FNP

Family Nurse Practitioner · Needham, MA

Ellen Katz, FNP is a family nurse practitioner with a practice address in Needham, Massachusetts, and NPI 1841200102, issued on Aug 9, 2006. Check the license (Massachusetts 209577, 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
1841200102
Name
Ellen Katz
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209577 MA
Self-reported in NPPES; status is on the state search
Practice location
100 West St, Needham, MA 02494
Phone
(617) 713-3813
Enumerated
Aug 9, 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 100 West St

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

  1. Robin Brown, OTOccupational Therapist1922515170
  2. Paul Allan Church, M.D.Urology Physician1942257670
  3. Joseph Ciccone, M.D.Urology Physician1255505574
  4. Stephen Eyre, M.D.Urology Physician1417129826
  5. Cara Palumbo, OTR/LOccupational Therapist1700274073
  6. Justin Zbrzezny, M.D.Urology Physician1699938639

Verify Ellen Katz 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 209577
    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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Industry payments in 2024: $338.09

3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ellen Katz$338.09
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

19 family nurse practitioner records list a practice address in Needham

They are 19 of the 1,223 NPPES records with a practice address in Needham, and 4,724 family nurse practitioner records in Massachusetts.

Other family nurse practitioner records in Massachusetts

  1. Christina Abate, N.P.Boston, MA1235414970
  2. Katelynne Abbott, NPDanvers, MA1932355880
  3. Georgette Abboud, FNP-CHanscom Afb, MA1538593686
  4. Irfana Abdulhameed, FNPNorthborough, MA1417661786
  5. Christina Abouleish, NPNorwell, MA1700515772
  6. Christine Abraham, NPSouthborough, MA1215774658
  7. Catherine Abrams, FNP-CNorth Dartmouth, MA1528790599
  8. Wendy Abrams, FNPBoston, MA1962557801
  9. Michelle Abreu, FNP-BCArlington, MA1346138914
  10. Karolyn Abreu Blanco, FNP-BCLawrence, MA1043007644

Common questions

What is Ellen Katz, FNP's NPI number?

Ellen Katz, FNP's National Provider Identifier (NPI) is 1841200102, issued on Aug 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Katz, FNP located?

The NPPES record lists a practice address at 100 West St, Needham, MA, 02494. Phone: (617) 713-3813. Providers update this record themselves, so call before visiting.

How can I verify Ellen Katz, FNP's license?

NPPES lists Massachusetts license number 209577, 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.

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.