Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lewis A Leavitt, MD

Developmental - Behavioral Pediatrics Physician in Madison, WI · enumerated 2006.

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

National Provider Identifier

1912975327

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Lewis A Leavitt

Credential MD

Sex Male

Practice address 1500 Highland Ave, Madison, WI, 53705

Phone (608) 263-5815

Fax (608) 833-6932

Enumeration date Mar 10, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

2080P0006X Developmental - Behavioral Pediatrics Physician Allopathic & Osteopathic Physicians · License 17402 (WI) Primary

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
31031500	Medicaid	WI	-

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

Where does Lewis Leavitt practice?

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

What is the NPI number for Lewis Leavitt?

The National Provider Identifier (NPI) for Lewis Leavitt is 1912975327, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Susan Heighway Pediatric Nurse Practitioner · Madison, WI NPI 1255338737 Anjali Rao Developmental - Behavioral Pediatrics Physician · Madison, WI NPI 1194719690 Kim Keppler-Noreuil Endocrinology, Diabetes & Metabolism Physician · Madison, WI NPI 1629063334 Sonja Henry Genetic Counselor (M.S.) · Madison, WI NPI 1164411823 Janet Legare Developmental - Behavioral Pediatrics Physician · Madison, WI NPI 1356325914 Philip James Clinical Genetics (M.D.) Physician · Madison, WI NPI 1982674123 Christina Iyama-Kurtycz Developmental - Behavioral Pediatrics Physician · Madison, WI NPI 1760450654 David Wargowski Clinical Genetics (M.D.) Physician · Madison, WI NPI 1043288921

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.