Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Adam J Geisheker, D.C.

Chiropractor in Chicago, IL · enumerated 2006.

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

National Provider Identifier

1891801080

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Registry record

Entity type Individual (Type 1)

Name Dr. Adam J Geisheker

Credential D.C.

Sex Male

Practice address 1 E Delaware Pl, Suite 401b, Chicago, IL, 60611

Phone (312) 337-7968

Fax (312) 337-4060

Enumeration date Aug 21, 2006

Last updated in NPPES Nov 12, 2024

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 038-010485 (IL) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Other identifiers

Identifier	Type	State	Issuer
01635737	Other	IL	BLUE CROSS BLUE SHIELD

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 specialty is Adam Geisheker?

Adam Geisheker is registered in NPPES with the primary taxonomy of Chiropractor. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-11-12.