Arsen Mastov, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

082007 Issued in NY

Practice address

9777 Queens Blvd PH
Rego Park, NY 11374-3335

Phone

(718) 896-9090

NPI assigned

Dec 14, 2010

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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 1

Specialty

Clinical Social Worker

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Jewish Board of Family and Childrens Services IncGroup PAC ID 5092607333, 127 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

87.65 of 100Reported as group

Quality

71.56

Promoting interoperability

74

Improvement activities

40

Cost

87.55

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• Jewish Board of Family & Childrens Services Inc

  • Community/Behavioral Health Agency
  • New York, NY
  • NPI 1689755662
  Medicare reassignment Care Compare group NPD
• Feeling Whole Again Inc.

  • Clinical Social Worker
  • Rego Park, NY
  • NPI 1912863721
  NPD Authorized official
• Jewish Board of Family and Children'S Services, Inc.

  • Addiction (Substance Use Disorder) Counselor
  • Brooklyn, NY
  • NPI 1760173579

  Clinical

  NPD
• The Derech Shalom Center Inc

  • Case Management Agency
  • Suffern, NY
  • NPI 1477295848
  NPD (past)

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

{
    "created_epoch": "1292284800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766880000000",
    "number": "1558664508",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9611 65TH RD APT 303",
            "city": "REGO PARK",
            "state": "NY",
            "postal_code": "113744171",
            "telephone_number": "917-930-3310"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9777 QUEENS BLVD PH",
            "city": "REGO PARK",
            "state": "NY",
            "postal_code": "113743335",
            "telephone_number": "718-896-9090"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MASTOV",
        "first_name": "ARSEN",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-12-14",
        "last_updated": "2025-12-28",
        "certification_date": "2025-12-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "082007",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maryam Aghalar Physical Medicine and Rehabilitation PC
• Oliver Masaba, M.D.
• Masada II Car and Limo Service
• Masha Speech Therapy
• Yelena Masheyev, PHARMD
• Ester Matatov
• Ester Matatova
• Khana Matatova
• Rigina Matatova, NP
• Aleksandr I Matayev

• Clinical Social Worker in Rego Park, NY
• Providers in Rego Park, NY by specialty
• Clinical Social Worker in New York

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