Individual provider Active NPI

Dennis Lee Derbaum, LCSW CSAC

  • Addiction (Substance Use Disorder) Counselor
  • Virginia Beach, VA
National Provider Identifier
1558324137
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X
License
CSAC Issued in VA
Practice address
780 Lynnhaven Pkwy
Suite 400 Atlantic Psychiatric Services
Virginia Beach, VA 23452-7332
Phone
(757) 468-0550
Fax
(757) 468-9992
NPI assigned
Apr 6, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X CSAC VA Primary
Mental Health Counselor 101YM0800X LCSW VA

Addresses

Primary practice location

780 Lynnhaven Pkwy
Suite 400 Atlantic Psychiatric Services
Virginia Beach, VA 23452-7332

Mailing address

780 Lynnhaven Pkwy
Suite 400
Virginia Beach, VA 23452-7332
Phone (757) 468-0550

Other identifiers 2

IdentifierTypeStateIssuer
86080MOtherVASENTARA OPTIMA
183809OtherVAANTHEM PPO BCBS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
CSACVAMDAddiction (Substance Use Disorder) Counselor
LCSWVAMDMental Health Counselor

Practice roles

OrganizationSpecialtyStatusNew patients
Chapman Senior Care, Inc. PastSince Apr 9, 2011 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1144281600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1558324137",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "780 LYNNHAVEN PKWY",
            "address_2": "SUITE 400",
            "city": "VIRGINIA BEACH",
            "state": "VA",
            "postal_code": "234527332",
            "telephone_number": "757-468-0550",
            "fax_number": "757-468-9992"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "780 LYNNHAVEN PKWY",
            "address_2": "SUITE 400 ATLANTIC PSYCHIATRIC SERVICES",
            "city": "VIRGINIA BEACH",
            "state": "VA",
            "postal_code": "234527332",
            "telephone_number": "757-468-0550",
            "fax_number": "757-468-9992"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DERBAUM",
        "first_name": "DENNIS",
        "middle_name": "LEE",
        "name_prefix": "Mr.",
        "credential": "LCSW CSAC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "VA",
            "license": "CSAC",
            "primary": true
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "VA",
            "license": "LCSW",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "SENTARA OPTIMA",
            "identifier": "86080M",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM PPO BCBS",
            "identifier": "183809",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Virginia Beach, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.