Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew J Kapklein, MD

Pediatric Critical Care Medicine Physician in Valhalla, NY · enumerated 2005.

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

National Provider Identifier

1245231224

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Registry record

Entity type Individual (Type 1)

Name Matthew J Kapklein

Credential MD

Sex Male

Practice address 100 Woods Rd, Valhalla, NY, 10595

Phone (914) 493-7513

Fax (914) 493-1281

Enumeration date Aug 2, 2005

Last updated in NPPES Mar 25, 2015

Taxonomy & licenses

2080P0203X Pediatric Critical Care Medicine Physician Allopathic & Osteopathic Physicians · License 226146 (NY) 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
003122570	Medicaid	CT	-
01665796	Medicaid	NY	-
1012089470001	Medicaid	PA	-
A400040118	Other	NY	MEDICARE PTAN

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 specialty is Matthew Kapklein?

Matthew Kapklein is registered in NPPES with the primary taxonomy of Pediatric Critical Care Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-25.