Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Matthew P Chamberlain, MD

Internal Medicine Physician in Rocky Mount, NC · enumerated 2005.

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

National Provider Identifier

1053305722

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Registry record

Entity type Individual (Type 1)

Name Matthew P Chamberlain

Credential MD

Sex Male

Practice address 91 Enterprise Dr, Rocky Mount, NC, 27804

Phone (252) 451-3200

Fax (252) 937-3107

Enumeration date Sep 8, 2005

Last updated in NPPES Feb 20, 2019

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 35293 (NC) 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
5711074	Other	NC	CIGNA HEALTHCARE
8921939	Medicaid	NC	-
61344	Other	NC	MEDCOST
110095560	Other	NC	RAILROAD MEDICARE
21939	Other	NC	BCBSNC

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 Chamberlain?

Matthew Chamberlain is registered in NPPES with the primary taxonomy of Internal 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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-20.