Naperville Psychiatric Ventures

Naperville Psychiatric Ventures is a healthcare organization registered as Psychiatric Hospital in Naperville, IL, holding Type 2 (organization) NPI 1871628362 since 2007. The authorized official on file is Mary Lou Mastro, President, Loh.

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NPI	1871628362
Entity type	Organization (Type 2)
Legal business name	Naperville Psychiatric Ventures
Other name	<Unavail>
Practice address	801 S WASHINGTON ST, Naperville, IL, 60540
Phone	6303055500
Enumeration date	2007-02-23
Last updated in NPPES	2007-07-11

Authorized official

Name	Mary Lou Mastro
Title	President, Loh
Phone	6303055001

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
283Q00000X	Psychiatric Hospital	Primary	0005058	IL

Copy-ready billing details

Provider: Naperville Psychiatric Ventures
NPI: 1871628362
Taxonomy: 283Q00000X (Psychiatric Hospital)
Address: 801 S WASHINGTON ST, Naperville, IL, 60540

Providers at this address

NPI	Name	Type	Specialty	Location
1699691113	Heidi Serrano	Individual	Ambulatory Care Registered Nurse	Naperville, IL
1669466447	Oana Olaru	Individual	Hospitalist Physician	Naperville, IL
1790772457	Stephen Baldwin	Individual	Hospitalist Physician	Naperville, IL
1568459220	Jaroslaw Przybyl	Individual	Anesthesiology Physician	Naperville, IL
1558345934	Kevin Collins	Individual	Emergency Medicine Physician	Naperville, IL
1538144282	Lea Lua	Individual	Pediatric Critical Care Medicine Physician	Naperville, IL
1104802016	Jeffrey Girardot	Individual	Diagnostic Radiology Physician	Naperville, IL
1700866167	Guy Miller	Individual	Emergency Medicine Physician	Naperville, IL

Verify this record

Cross-check NPI 1871628362 against the authoritative CMS record: view Naperville Psychiatric Ventures on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where is Naperville Psychiatric Ventures located?

The practice location on file with NPPES is in Naperville, IL.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2007-07-11. Verify at npiregistry.cms.hhs.gov.

Source: CMS NPPES (public data). Snapshot 2026-07-09. Provider record last updated 2007-07-11.