Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexander Chieh-Jay Cheng, M.D.

Anesthesiology Physician in Ann Arbor, MI · enumerated 2012.

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

National Provider Identifier

1912264078

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Registry record

Entity type Individual (Type 1)

Name Alexander Chieh-Jay Cheng

Credential M.D.

Sex Male

Practice address 1241 Island Dr Apt 204, Ann Arbor, MI, 48105

Phone (334) 294-2633

Enumeration date Apr 13, 2012

Last updated in NPPES Oct 9, 2025

Taxonomy & licenses

207L00000X Anesthesiology Physician Allopathic & Osteopathic Physicians · License A127590 (CA) 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 Alexander Cheng?

The National Provider Identifier (NPI) for Alexander Cheng is 1912264078, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Cheng practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-09.