Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Leo Wang, M.D.
Pediatrics Physician in Duarte, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841497039
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Registry record
Entity type Individual (Type 1)
Name Dr. Leo Wang
Credential M.D.
Sex Male
Practice address 1500 Duarte Rd, Duarte, CA, 91010
Phone (626) 256-4673
Enumeration date Jun 29, 2007
Last updated in NPPES Nov 18, 2020
Taxonomy & licenses
208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD432017 (PA) Secondary
2080P0207X Pediatric Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 235821 (MA) Secondary
2080P0207X Pediatric Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License C146322 (CA) 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.
Frequently asked questions
Where does Leo Wang practice?
The practice location on file with NPPES is in Duarte, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Leo Wang?
The National Provider Identifier (NPI) for Leo Wang is 1841497039, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Marwan Fakih Medical Oncology Physician · Duarte, CA NPI 1861498271 Alan Dean Anesthesiology Physician · Duarte, CA NPI 1346240652 Yuman Fong Surgical Oncology Physician · Duarte, CA NPI 1346231735 Sharan Manhas Surgery Physician · Duarte, CA NPI 1689655797 Mingjian You Hematology (Pathology) Physician · Duarte, CA NPI 1659353845 Jeremiah Donovan Gastroenterology Physician · Duarte, CA NPI 1164406500 Adeboye Ogunseitan Hospice and Palliative Medicine (Internal Medicine) Physician · Duarte, CA NPI 1477533198 Ted Uchio Anesthesiology Physician · Duarte, CA NPI 1619948874
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-18.