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William E Kaplan, MD

William E Kaplan is a Pediatric Urology Physician provider (Urology) practicing in Chicago, IL, registered in the NPPES registry with NPI 1790770618 since 2005. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1790770618
Entity type Individual (Type 1)
Name William E Kaplan
Credential MD
Sex Male
Practice address Chicago, IL, 60611
Phone 3122276415
Fax 3122279409
Enumeration date 2005-09-16
Last updated in NPPES 2016-05-19

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
2086S0120X Pediatric Surgery Physician Secondary 036-096912 IL
2088P0231X Pediatric Urology Physician Primary 036050075 IL

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
1627123 Other IL BCBS PROVIDER ID
10046300A Other IL MANAGED HEALTHCARE SRVCS
036050075 Medicaid IL
10025071700 Medicaid NE
100462300A Medicaid IN
Copy-ready billing details
Provider: William Kaplan, MD
NPI: 1790770618
Taxonomy: 2088P0231X (Pediatric Urology Physician)
Address: Chicago, IL, 60611

Other providers at this practice address

NPI Name Type Specialty Location
1588581508 Kelly Thompson Individual Pediatric Nurse Practitioner Chicago, IL
1790779734 Martha Saker Individual Diagnostic Radiology Physician Chicago, IL
1336133065 Irina Trosman Individual Pediatric Sleep Medicine Physician Chicago, IL
1841284577 Naser Zahran Individual Pediatrics Physician Chicago, IL
1851386296 Richard Marble Individual Pediatric Emergency Medicine (Emergency Medicine) Physician Chicago, IL
1528053451 Riccardo Superina Individual Pediatric Surgery Physician Chicago, IL
1336135904 Marleta Reynolds Individual Pediatric Surgery Physician Chicago, IL
1972599546 Cynthia Budek Individual Pediatric Nurse Practitioner Chicago, IL

Verify this record

Cross-check NPI 1790770618 against the authoritative CMS record: view William E Kaplan on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for William Kaplan?
The National Provider Identifier (NPI) for William Kaplan is 1790770618, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Kaplan practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2016-05-19.