NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Hillel Sperling, M.D.

Orthopaedic Surgery Physician in Tarzana, CA · enumerated 2006.

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

National Provider Identifier

1508899972

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. Hillel Sperling
Credential M.D.
Sex Male
Practice address 18411 Clark St, Suite 103, Tarzana, CA, 91356
Phone (818) 776-9606
Fax (818) 776-9609
Enumeration date Jul 9, 2006
Last updated in NPPES May 27, 2009

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License G047251 (CA) Primary
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 Hillel Sperling?
The National Provider Identifier (NPI) for Hillel Sperling is 1508899972, a Type 1 (individual) record in the CMS NPPES registry.
Where does Hillel Sperling practice?
The practice location on file with NPPES is in Tarzana, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-05-27.