NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ahmer Ali, M.D.

Sleep Medicine (Psychiatry & Neurology) Physician in Lake Barrington, IL · enumerated 2011.

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

National Provider Identifier

1275825978

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ahmer Ali
Credential M.D.
Sex Male
Practice address 22285 N Pepper Rd, Suite 401, Lake Barrington, IL, 60010
Phone (847) 882-6604
Fax (847) 882-6228
Enumeration date May 12, 2011
Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 036.137911 (IL) Secondary
2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 036137911 (IL) Secondary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
2084S0012X Sleep Medicine (Psychiatry & Neurology) Physician Allopathic & Osteopathic Physicians · License 036.137911 (IL) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 Ahmer Ali?
The National Provider Identifier (NPI) for Ahmer Ali is 1275825978, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ahmer Ali practice?
The practice location on file with NPPES is in Lake Barrington, 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 2022-07-21.