Individual provider Active NPI

Jacob Patrick Hollander, LMSW

  • Clinical Social Worker
  • Bethesda, MD
National Provider Identifier
1225720089
Registry record updated May 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
29955 Issued in MD
Practice address
7986 Old Georgetown Rd Ste 7C
Bethesda, MD 20814-2555
Phone
(301) 718-4544
Fax
(301) 478-9899
NPI assigned
May 22, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 29955 MD Primary

Addresses

Primary practice location

7986 Old Georgetown Rd Ste 7C
Bethesda, MD 20814-2555

Mailing address

7986 Old Georgetown Rd Ste 7C
Bethesda, MD 20814-2555
Phone (301) 718-4544

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)
Not enrolled

State licenses

LicenseStateTypeSpecialty
29955MDMDPhysical Therapist

NPI Registry JSON

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

{
    "created_epoch": "1684713600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779235200000",
    "number": "1225720089",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7986 OLD GEORGETOWN RD STE 7C",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208142555",
            "telephone_number": "301-718-4544"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7986 OLD GEORGETOWN RD STE 7C",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208142555",
            "telephone_number": "301-718-4544",
            "fax_number": "301-478-9899"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLLANDER",
        "first_name": "JACOB",
        "middle_name": "PATRICK",
        "name_prefix": "Mr.",
        "credential": "LMSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-05-22",
        "last_updated": "2026-05-20",
        "certification_date": "2026-05-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MD",
            "license": "29955",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bethesda, MD

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 20, 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.