Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Aishwarya Arjunan, M.S., M.P.H.

Genetic Counselor (M.S.) in Chicago, IL · enumerated 2013.

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

National Provider Identifier

1770913931

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Registry record

Entity type Individual (Type 1)

Name Ms. Aishwarya Arjunan

Credential M.S., M.P.H.

Sex Female

Practice address 225 E. Chicago Avenue, Box #59, Chicago, IL, 60611

Phone (312) 227-6761

Fax (312) 227-9413

Enumeration date Nov 25, 2013

Last updated in NPPES Nov 25, 2013

Taxonomy & licenses

170300000X Genetic Counselor (M.S.) Other Service Providers · License 247.000052 (IL) Primary

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 1770913931 active?

Yes, as of the latest NPPES snapshot, NPI 1770913931 is active (record last updated 2013-11-25).

How do I verify Aishwarya Arjunan's NPI record?

Cross-check NPI 1770913931 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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Carolyn Foster Pediatrics Physician · Chicago, IL NPI 1811296791 Kathleen Gorman Neurology Physician · Chicago, IL NPI 1538514120 Madison Reimringer Physical Therapist · Chicago, IL NPI 1285114181 Simon Macdonald Student in an Organized Health Care Education/Training Program · Chicago, IL NPI 1386334985

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-11-25.