Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Matthew W. Hwang, M.D.

Orthopaedic Surgery of the Spine Physician in Downey, CA · enumerated 2007.

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

National Provider Identifier

1952454472

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Registry record

Entity type Individual (Type 1)

Name Dr. Matthew W. Hwang

Credential M.D.

Sex Male

Practice address 9353 Imperial Hwy, Kaiser Permanente, Dept. Orthopedic-Spine, Downey, CA, 90242

Phone (562) 657-4110

Fax (562) 657-4161

Enumeration date Jan 19, 2007

Last updated in NPPES Nov 29, 2021

Taxonomy & licenses

207XS0117X Orthopaedic Surgery of the Spine Physician Allopathic & Osteopathic Physicians · License 231501 (MA) Secondary

207XS0117X Orthopaedic Surgery of the Spine Physician Allopathic & Osteopathic Physicians · License 234415-1 (NY) Secondary

207XS0117X Orthopaedic Surgery of the Spine Physician Allopathic & Osteopathic Physicians · License A103984 (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
2140047	Medicaid	MA	-

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.

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Frequently asked questions

How do I verify Matthew Hwang's NPI record?

Cross-check NPI 1952454472 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1952454472 active?

Yes, as of the latest NPPES snapshot, NPI 1952454472 is active (record last updated 2021-11-29).

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Rajeev Attam Gastroenterology Physician · Downey, CA NPI 1184694309 Terence Chiu Gastroenterology Physician · Downey, CA NPI 1427083229 Gareth Dulai Gastroenterology Physician · Downey, CA NPI 1164457883 Basuki Gunawan Internal Medicine Physician · Downey, CA NPI 1346352473 Teresa Mendoza Nurse Practitioner · Downey, CA NPI 1336216191 Carrie Lovina Abdul-Malik Physical Therapist · Downey, CA NPI 1487716601 Hilarie Beattie Physician Assistant · Downey, CA NPI 1215053459 Sheree Chou Pharmacist · Downey, CA NPI 1811010820

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-29.