Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

John J Chabalko, MD

Pulmonary Disease Physician in Greenville, DE · enumerated 2005.

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

National Provider Identifier

1467440354

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name John J Chabalko

Credential MD

Sex Male

Practice address 3710 Kennett Pike, Greenville Medical Center II, Greenville, DE, 19807

Phone (302) 623-6333

Fax (302) 623-6306

Enumeration date Oct 13, 2005

Last updated in NPPES Mar 11, 2014

Taxonomy & licenses

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License C10001733 (DE) 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
4284697	Other	-	AETNA/USHC
0000047701	Medicaid	DE	-
0084172000	Other	PA	AMERIHEALTH/KEYSTONE
148720	Other	PA	INDEPENDENCE BCBS
45427	Other	DE	COVENTRY
1155490001	Other	-	CIGNA
290752	Other	-	MAMSI

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 John Chabalko?

The National Provider Identifier (NPI) for John Chabalko is 1467440354, a Type 1 (individual) record in the CMS NPPES registry.

Where does John Chabalko practice?

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

Other providers at this practice address

Browse all →

Timothy Langan Internal Medicine Physician · Greenville, DE NPI 1891771911 Jillian Banbury Plastic Surgery Physician · Greenville, DE NPI 1215990155 Lois Dixon Adult Health Nurse Practitioner · Greenville, DE NPI 1760888655

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-11.