Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tien I Karleen Su, M.D.

Q: What is the NPI number for Tien I Su?

The National Provider Identifier (NPI) for Tien I Su is 1750581930, a Type 1 (individual) record in the CMS NPPES registry.

Rheumatology Physician in Whittier, CA · enumerated 2007 · practices at Amicus Arthritis and Osteoporosis Center, Inc.

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

National Provider Identifier

1750581930

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Registry record

Entity type Individual (Type 1)

Name Tien I Karleen Su

Credential M.D.

Sex Female

Practice address 12456 Washington Blvd, Whittier, CA, 90602

Phone (562) 758-6600

Fax (562) 758-6709

Enumeration date Jul 25, 2007

Last updated in NPPES Jan 5, 2016

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A98890 (CA) Secondary

207RR0500X Rheumatology Physician Allopathic & Osteopathic Physicians · License A98890 (CA) 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
00A988900	Medicaid	CA	-

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 Tien I Su?

The National Provider Identifier (NPI) for Tien I Su is 1750581930, a Type 1 (individual) record in the CMS NPPES registry.

Where does Tien I Su practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-05.