NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Michelle Melissa Ishaya, DO

Gastroenterology Physician in Niles, IL · enumerated 2021.

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

National Provider Identifier

1154996924

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Michelle Melissa Ishaya
Credential DO
Sex Female
Practice address 7900 N Milwaukee Ave Ste 19, Niles, IL, 60714
Phone (847) 318-9595
Fax (847) 318-9599
Enumeration date May 24, 2021
Last updated in NPPES Apr 1, 2024

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 125.077708 (IL) Secondary
207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License 125.077708 (IL) Primary
DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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

What is the NPI number for Michelle Ishaya?
The National Provider Identifier (NPI) for Michelle Ishaya is 1154996924, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michelle Ishaya practice?
The practice location on file with NPPES is in Niles, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-01.