NPPES file of Aug 9, 2026

Nina Ruth Mazzarelli, RN, BSN

Registered Nurse · West Chester, PA

Nina Ruth Mazzarelli, RN, BSN is a registered nurse with a practice address in West Chester, Pennsylvania, and NPI 1003769639, issued on Feb 14, 2026. Check the license (Pennsylvania RN749588, as entered in NPPES) with the Pennsylvania 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
1003769639
Name
Nina Ruth Mazzarelli
Credential
RN, BSN
Primary taxonomy
Registered Nurse 163W00000X
License number
RN749588 PA
Self-reported in NPPES; status is on the state search
Practice location
701 E Marshall St, West Chester, PA 19380
Phone
(610) 431-5000
Enumerated
Feb 14, 2026
Record last updated
Feb 14, 2026
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 701 E Marshall St

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

  1. Douglas Ader, DO, PA-CEmergency Medicine Physician1235486838
  2. Katherine Ansel, PA-CPhysician Assistant1417847062
  3. Nicholas Archer, PA-CSurgical Physician Assistant1114171774
  4. Thierry Arnoult, ACNPAcute Care Nurse Practitioner1114383403
  5. Chloe AustinCase Management Registered Nurse1508713660
  6. Muhammet Ayanoglu, MDPediatrics Physician1699295428

Verify Nina Ruth Mazzarelli in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license RN749588
    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 Pennsylvania license search

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36 registered nurse records list a practice address in West Chester

They are 36 of the 2,831 NPPES records with a practice address in West Chester, and 5,372 registered nurse records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other registered nurse records in Pennsylvania

  1. Mary AbateErie, PA1194001073
  2. Joanna AbbottPlymouth Meeting, PA1215116918
  3. Manar Abdel Wahab, RNCamp Hill, PA1184332801
  4. Hasna Abdul-Lateef, RNWayne, PA1003759861
  5. Isa Abdur-Rahman, RNPlymouth Meeting, PA1497042485
  6. Annemarie Abelowitz, R.N.Plymouth Meeting, PA1083918817
  7. Kristin AblineDanville, PA1174368757
  8. Jake Abood, RNLewisburg, PA1104759596
  9. Mercy AbrahamPlymouth Meeting, PA1578701769
  10. Danielle Abrams, RNSummerhill, PA1679436950

Common questions

What is Nina Ruth Mazzarelli, RN, BSN's NPI number?

Nina Ruth Mazzarelli, RN, BSN's National Provider Identifier (NPI) is 1003769639, issued on Feb 14, 2026. An NPI identifies a provider in billing; it is not a license.

Where is Nina Ruth Mazzarelli, RN, BSN located?

The NPPES record lists a practice address at 701 E Marshall St, West Chester, PA, 19380. Phone: (610) 431-5000. Providers update this record themselves, so call before visiting.

How can I verify Nina Ruth Mazzarelli, RN, BSN's license?

NPPES lists Pennsylvania license number RN749588, as entered by the provider. Search the Pennsylvania 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.

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.