Mark M Zimmermann, LCSW-R

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

081485 Issued in NY

Practice address

4710 Elm St Apt W1304
Bethesda, MD 20814-3828

Phone

(917) 830-3463

Fax

(347) 717-7750

NPI assigned

Sep 16, 2008

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 5

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in NY, DC2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Clinical Social Worker

Education

Other, 2009

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

East Point Medical PCGroup PAC ID 0749690741, 24 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H5989

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.

• East Point Medical PC

  • Family Medicine Physician
  • Maspeth, NY
  • NPI 1518571751

  Clinical

  Medicare reassignment Care Compare group NPD
• Mark Zimmermann, LCSW, PLLC

  • Clinical Social Worker
  • Bethesda, MD
  • NPI 1386005213

  DC

  Medicare reassignment Authorized official
• Good Health Psychiatric Services PC

  • Psychiatry Physician
  • Brooklyn, NY
  • NPI 1215213806
  NPD (past)

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

{
    "created_epoch": "1221523200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748390400000",
    "number": "1275782179",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4710 ELM ST APT W1304",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208143828",
            "telephone_number": "917-830-3463",
            "fax_number": "347-717-7750"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4710 ELM ST APT W1304",
            "city": "BETHESDA",
            "state": "MD",
            "postal_code": "208143828",
            "telephone_number": "917-830-3463",
            "fax_number": "347-717-7750"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZIMMERMANN",
        "first_name": "MARK",
        "middle_name": "M",
        "credential": "LCSW-R",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-09-16",
        "last_updated": "2025-05-28",
        "certification_date": "2025-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "R081485",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "081485",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MD",
            "license": "32135",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "DC",
            "license": "LC200003450",
            "primary": false
        },
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "NY",
            "license": "081485",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "100492058",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NPI",
            "identifier": "1386005213",
            "state": "NY"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "03366314",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Helen Ying Zhang, DDS
• James Zhang
• Qianzi Zhao, MD
• Zeb Zigas, D.P.T.
• Mihail Zilbermint, M.D.
• Matthew Zimmermann, MD
• Maria Zimmitti
• Winston J Zingg-de Jongh
• Holly Zink
• Elizabeth Zinner, LCSW-C

• Addiction (Substance Use Disorder) Counselor in Bethesda, MD
• Providers in Bethesda, MD by specialty
• Addiction (Substance Use Disorder) Counselor in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.