Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cynthia E Gropper, RN MS ARN

Adult Health Nurse Practitioner in Munster, IN · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1821036427

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Registry record

Entity type Individual (Type 1)

Name Cynthia E Gropper

Credential RN MS ARN

Sex Female

Practice address 801 Macarthur Blvd, Ste 405, Munster, IN, 46321

Phone (219) 836-5167

Fax (219) 836-5249

Enumeration date Jun 4, 2006

Last updated in NPPES Jun 17, 2010

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 28090417A (IN) Secondary

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 026867521 (IN) Primary

Other identifiers

Identifier	Type	State	Issuer
000000497818	Other	IN	ANTHEM BCBS
200279340	Medicaid	IN	-
P00352687	Other	IN	MEDICARE RAILROAD

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 → Validate an NPI →

Frequently asked questions

Is NPI 1821036427 active?

Yes, as of the latest NPPES snapshot, NPI 1821036427 is active (record last updated 2010-06-17).

How do I verify Cynthia Gropper's NPI record?

Cross-check NPI 1821036427 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-06-17.