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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PETER JOHN MLYNARCZYK MD
NPI 1144218439
Surgery in Elizabeth, NJ

Active since October 11, 2005
240 WILLIAMSON ST, STE 302, ELIZABETH, NJ 07202(908) 355-3600(908) 355-9490 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Peter John Mlynarczyk Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PETER JOHN MLYNARCZYK MD (NPI 1144218439) is an individual surgery provider in Elizabeth, New Jersey, licensed in New Jersey (MA29815) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1144218439
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NamePETER JOHN MLYNARCZYKCredential: MD
Location Address240 WILLIAMSON ST, STE 302Elizabeth, NJ 07202-3674
Mailing Address240 Williamson St, Ste 302Elizabeth, NJ 07202-3674 · (908) 355-3600 · Fax (908) 355-9490
Phone(908) 355-3600
Fax(908) 355-9490
Sole ProprietorNo
Enumeration DateOctober 11, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1144218439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in NJ · MA29815
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
240 WILLIAMSON ST, Elizabeth, NJ 07202
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Other Identifiers 1

Medicaid2416000NJ

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

VIRGINIA GUANCO-VILLANUEVA A.P.N.
Nurse Practitioner (Adult Health)
240 WILLIAMSON ST, SUITE 403
ELIZABETH, NJ 07202
Union County (908) 289-6996
SWATI B PATEL PA-C
Physician Assistant (Medical)
240 WILLIAMSON ST, SUITE 204
ELIZABETH, NJ 07202
Union County (908) 355-8877
DR. MICHAEL R ZABOSKI M.D.
Internal Medicine
240 WILLIAMSON ST, SUITE 204
ELIZABETH, NJ 07202
Union County (908) 355-8877
DR. ANSHU GOYAL GARG M.D.
Internal Medicine (Cardiovascular Disease)
240 WILLIAMSON ST, SUITE 300
ELIZABETH, NJ 07202
Union County (908) 994-8880
ELIZABETH SONO MEDICAL, PLLC
Obstetrics & Gynecology (Maternal & Fetal Medicine)
240 WILLIAMSON ST, SUITE 405
ELIZABETH, NJ 07202
Union County (908) 820-9191
ALBERTO LOPEZ-SILVERO, M.D., L.L.C
Internal Medicine
240 WILLIAMSON ST, SUITE 303
ELIZABETH, NJ 07202
Union County (908) 351-0500
OB/GYN SPECIAL CARE, LLC
Obstetrics & Gynecology
240 WILLIAMSON ST, SUITE 304
ELIZABETH, NJ 07202
Union County (908) 282-2000
CHI-HSIUNG LIN M.D.
Internal Medicine
240 WILLIAMSON ST, SUITE 506
ELIZABETH, NJ 07202
Union County (908) 965-0234

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter Mlynarczyk's NPI number?

The NPI number for Peter Mlynarczyk is 1144218439. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is Peter Mlynarczyk located?

Peter Mlynarczyk practices at 240 Williamson St Ste 302, Elizabeth, NJ 07202. The listed phone number is (908) 355-3600.

What is Peter Mlynarczyk's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

When was this NPI record last updated?

The NPPES record for Peter Mlynarczyk was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.