Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Charles Jeffry Kessler, MD

Pediatric Gastroenterology Physician in Gaithersburg, MD · enumerated 2007.

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

National Provider Identifier

1962534206

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Registry record

Entity type Individual (Type 1)

Name Dr. Charles Jeffry Kessler

Credential MD

Sex Male

Practice address Gaithersburg, MD, 20877

Phone (301) 869-1230

Fax (301) 869-1390

Enumeration date Mar 12, 2007

Last updated in NPPES Jun 15, 2012

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2080P0206X Pediatric Gastroenterology Physician Allopathic & Osteopathic Physicians · License 84348 (FL) Primary

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License D0073675 (MD) Secondary

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
1962534206	Other	-	PHYSICIAN

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 Charles Kessler?

Charles Kessler is registered in NPPES with the primary taxonomy of Pediatric Gastroenterology 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 2012-06-15.