Mary Ann Grisch, RN
Registered Nurse · Warrenville, IL
Mary Ann Grisch, RN is a registered nurse with a practice address in Warrenville, Illinois, and NPI 1821001074, issued on Aug 15, 2006. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Ann Grisch
- Credential
- RN
- Primary taxonomy
- Registered Nurse 163W00000X
- Practice location
- 4575 Weaver Pkwy, Warrenville, IL 60555
- Phone
- (630) 505-0300
- Enumerated
- Aug 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (630) 836-0667
- Entity
- Type 1 · individual
Also registered at 4575 Weaver Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ann Grisch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9 registered nurse records list a practice address in Warrenville
They are 9 of the 517 NPPES records with a practice address in Warrenville, and 2,628 registered nurse records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9 in Warrenville → All 2,628 in Illinois → Every provider in Warrenville →
Other registered nurse records in Illinois
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- Micaela Adams-Carr, MSN, RNKankakee, IL1992476840
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- Craig AddisonChicago, IL1568856219
Common questions
What is Mary Ann Grisch, RN's NPI number?
Mary Ann Grisch, RN's National Provider Identifier (NPI) is 1821001074, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Grisch, RN located?
The NPPES record lists a practice address at 4575 Weaver Pkwy, Warrenville, IL, 60555. Phone: (630) 505-0300. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Grisch, RN's license?
Search the Illinois 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.