NPIMap

Organization Active NPI

Chesapeake Digestive Associates, PC

  • Gastroenterology Physician
  • Annapolis, MD
National Provider Identifier
1023765625
Registry record updated May 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
Legal business name
CHESAPEAKE DIGESTIVE ASSOCIATES, PC
Practice address
621 Ridgely Ave Ste 201
Annapolis, MD 21401-1083
Phone
(410) 224-4887
Fax
(410) 224-1428
NPI assigned
Mar 4, 2022
Last updated
May 15, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on May 15, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Alan Oliver, CEO
Title
Ceo
Phone
(305) 570-2495

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RG0100X Primary

Addresses

Primary practice location

621 Ridgely Ave Ste 201
Annapolis, MD 21401-1083

Mailing address

621 Ridgely Ave Ste 201
Annapolis, MD 21401-1083
Phone (410) 224-4887

Other names 1

  • MD002A Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20220404000398 MD Part B Supplier - Clinic/Group Practice 5597151357 Receives reassigned benefits from 58 practitioners
Practice locations: Gambrills, MD; Towson, MD; Columbia, MD; Chester, MD; Catonsville, MD; Annapolis, MD

National Provider Directory

National Provider Directory

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

Member organizations 1

Organizations listed as members of this organization in the National Provider Directory.

Practitioners & affiliated clinicians

Practitioners 58

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 58

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1646352000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1747267200000",
    "number": "1023765625",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "621 RIDGELY AVE STE 201",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214011083",
            "telephone_number": "410-224-4887",
            "fax_number": "410-224-1428"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "621 RIDGELY AVE STE 201",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214011083",
            "telephone_number": "410-224-4887",
            "fax_number": "410-224-1428"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CHESAPEAKE DIGESTIVE ASSOCIATES, PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2022-03-04",
        "last_updated": "2025-05-15",
        "certification_date": "2025-05-15",
        "status": "A",
        "authorized_official_last_name": "OLIVER",
        "authorized_official_first_name": "ALAN",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "305-570-2495",
        "authorized_official_credential": "CEO"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "MD002A",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Annapolis, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 15, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.