Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Cynthia Ann Chamberlain, RN

Registered Nurse in Grand Rapids, MI · enumerated 2007.

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

National Provider Identifier

1124171855

Verified

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Registry record

Entity type Individual (Type 1)

Name Cynthia Ann Chamberlain

Credential RN

Sex Female

Practice address Grand Rapids, MI, 49548

Phone (616) 248-5168

Enumeration date Jan 18, 2007

Last updated in NPPES Jul 8, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 4704158628 (MI) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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

Where does Cynthia Chamberlain practice?

The practice location on file with NPPES is in Grand Rapids, MI. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Cynthia Chamberlain?

The National Provider Identifier (NPI) for Cynthia Chamberlain is 1124171855, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Jeffrey Postlewaite Obstetrics & Gynecology Physician · Wyoming, MI NPI 1043219561 Robert Gleffe Internal Medicine Physician · Grand Rapids, MI NPI 1205891504 Cynthia Schuler Family Medicine Physician · Grand Rapids, MI NPI 1235167032 Susan Sevensma Family Medicine Physician · Wyoming, MI NPI 1801812961 Metropolitan Hospital Family Medicine Physician · Wyoming, MI NPI 1114947538 John Villar General Practice Dentistry · Grand Rapids, MI NPI 1649383753 Kimberly Jackson Clinical Social Worker · Grand Rapids, MI NPI 1750492336 Thomas Stevenson Family Medicine Physician · Grand Rapids, MI NPI 1649377946

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.