NPPES file of Aug 9, 2026

Mary Theresa Downey-Freiman, RN MSN OCN

Oncology Registered Nurse · East Hanover, NJ

Mary Theresa Downey-Freiman, RN MSN OCN is an oncology registered nurse with a practice address in East Hanover, New Jersey, and NPI 1851927164, issued on Mar 18, 2020. Check the license with the New Jersey board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851927164
Name
Mary Theresa Downey-Freiman
Credential
RN MSN OCN
Primary taxonomy
Oncology Registered Nurse 163WX0200X
License number
RN501789L PA
Self-reported in NPPES; status is on the state search
Practice location
1 Health Plz, East Hanover, NJ 07936
Phone
(862) 778-8300
Enumerated
Mar 18, 2020
Record last updated
Mar 18, 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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8 nearest oncology registered nurse records → All 24 in New Jersey → Look up another NPI →

Also registered at 1 Health Plz

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

  1. Wendy Chiang, MDHematology & Oncology Physician1083819916
  2. James Felser, M.D.Infectious Disease Physician1821335043
  3. Bruce Francis, M.D.Endocrinology, Diabetes & Metabolism Physician1285890343
  4. Nancy Grande, M.D.Specialist1205042876
  5. Todd Gruber, M.D., M.P.H.Internal Medicine Physician1467568451
  6. Kamal Hamed, M.D.Infectious Disease Physician1679747844

Verify Mary Theresa Downey-Freiman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Jersey board licenses this professionCheck 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 New Jersey license search

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Mary Theresa Downey-Freiman among 24 oncology registered nurse records in New Jersey

Mary Theresa Downey-Freiman, RN MSN OCN is one of 24 oncology registered nurse records with a practice address in New Jersey. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 33% of them.

  • NPI issued2020 · 33% of these records are older, 58% newer
  • In a Medicare fileNo · 38% of these records are
  • In the CMS Doctors and Clinicians fileNo · 25% of these records are
  • Record last updated2020 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WX0200X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oncology Registered Nurse providers in New Jersey

There are 24 oncology registered nurse records in New Jersey. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 24 in New Jersey → Every provider in East Hanover → Oncology Registered Nurse nationwide →

The 8 oncology registered nurse records with the nearest ZIP codes

  1. Zu-Kei Lin, RN, APN-C, AOCN, MSNMorristown, NJ 079601619110723
  2. Brenda AltamarSummit, NJ 079011609792597
  3. Susan Hunter, RN, MSNVoorhees, NJ 080431780774588
  4. Amber Delecce, RNSewell, NJ 080801376258608
  5. Naomi Moore, RNNeptune City, NJ 077531245931500
  6. Suzanne Penna, MSN, RNMiddletown, NJ 077481043068315
  7. Daniel Rector, RNTeaneck, NJ 076661134957806
  8. Natasia Rodriguez, RNTeaneck, NJ 076661295666410

Common questions

What is Mary Theresa Downey-Freiman, RN MSN OCN's NPI number?

Mary Theresa Downey-Freiman, RN MSN OCN's National Provider Identifier (NPI) is 1851927164, issued on Mar 18, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Mary Theresa Downey-Freiman, RN MSN OCN located?

The NPPES record lists a practice address at 1 Health Plz, East Hanover, NJ, 07936. Phone: (862) 778-8300. Providers update this record themselves, so call before visiting.

How can I verify Mary Theresa Downey-Freiman, RN MSN OCN's license?

Search the New Jersey 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. 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.