Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum Organization subpart

Chesapeake Digestive Associates, PC

Gastroenterology Physician in Annapolis, MD · enumerated 2023 · authorized official Alan Oliver, Ceo.

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

National Provider Identifier

1952088742

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Registry record

Entity type Organization (Type 2)

Legal business name Chesapeake Digestive Associates, PC

Other name <Unavail>

Parent organization Chesapeake Digestive Associates, PC

Practice address 621 Ridgely Ave Ste 201, Annapolis, MD, 21401

Phone (410) 224-4887

Fax (410) 224-1428

Enumeration date Jul 3, 2023

Last updated in NPPES May 15, 2025

Taxonomy & classification

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Alan Oliver

Title Ceo

Phone (786) 530-3820

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 a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Chesapeake Digestive Associates, PC?

Chesapeake Digestive Associates, PC is registered in NPPES as a Gastroenterology Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-05-15.