Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. William Ching, M.D., PH.D.

Pediatrics Physician in Cedar Rapids, IA · enumerated 2007.

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

National Provider Identifier

1285831636

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Registry record

Entity type Individual (Type 1)

Name Dr. William Ching

Credential M.D., PH.D.

Sex Male

Practice address 1026 A Ave Ne, Cedar Rapids, IA, 52402

Phone (319) 369-7711

Enumeration date Jun 29, 2007

Last updated in NPPES Nov 11, 2021

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 296011 (NY) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD-42020 (IA) Primary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 036118885 (IL) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 01082130A (IN) Secondary

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License ME138768 (FL) Secondary

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 William Ching?

The National Provider Identifier (NPI) for William Ching is 1285831636, a Type 1 (individual) record in the CMS NPPES registry.

Where does William Ching practice?

The practice location on file with NPPES is in Cedar Rapids, IA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-11.