Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Leila Sim, MD
Pediatrics Physician in Webster, TX · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1730173642
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Registry record
Entity type Individual (Type 1)
Name Leila Sim
Credential MD
Sex Female
Practice address 250 Blossom St, Ste 300, Webster, TX, 77598
Phone (281) 604-1300
Fax (281) 724-0225
Enumeration date Sep 7, 2005
Last updated in NPPES Feb 25, 2023
Taxonomy & licenses
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 |
|---|---|---|---|
| 8F6733 | Other | TX | BCBS |
| 87606Z | Other | TX | HMO BLUE |
| 7289018 | Other | TX | AETNA |
| 102206303 | Medicaid | TX | - |
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
What is the NPI number for Leila Sim?
The National Provider Identifier (NPI) for Leila Sim is 1730173642, a Type 1 (individual) record in the CMS NPPES registry.
Where does Leila Sim practice?
The practice location on file with NPPES is in Webster, TX. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Conrad Fischer Orthopaedic Surgery Physician · Webster, TX NPI 1245232461 Gary Hurwitz Urology Physician · Webster, TX NPI 1881694495 Douglas Dow Urology Physician · Webster, TX NPI 1659371136 Thanh Nguyen Urology Physician · Webster, TX NPI 1518967090 Benjamin Guillermo Family Medicine Physician · Webster, TX NPI 1851385272 Rajeswari Rajan Family Medicine Physician · Webster, TX NPI 1023002342 Steven Kloeris Family Medicine Physician · Webster, TX NPI 1104810472 Di Le Family Medicine Physician · Webster, TX NPI 1154315414
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-25.