Douglas C Klotzer, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

6758 Issued in CT

Practice address

71 Haynes St
Manchester, CT 06040-4188

Phone

(860) 646-1222

NPI assigned

Jul 22, 2014

Sex

Male

Sole proprietor

No

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 CT

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, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Prospect CT Medical Foundation IncGroup PAC ID 7416244496, 287 clinicians

Practice addresses (Care Compare)

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.

• Prospect CT Medical Foundation, Inc.

  • Family Medicine Physician
  • Manchester, CT
  • NPI 1144677568

  Clinical

  Medicare reassignment Care Compare group NPD
• Manchester Memorial Hospital, Inc.

  • General Acute Care Hospital
  • Manchester, CT
  • NPI 1881564664
  Medicare reassignment

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

{
    "created_epoch": "1405987200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780531200000",
    "number": "1184031171",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "71 HAYNES ST",
            "city": "MANCHESTER",
            "state": "CT",
            "postal_code": "060404188",
            "telephone_number": "860-646-1222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "71 HAYNES ST",
            "city": "MANCHESTER",
            "state": "CT",
            "postal_code": "060404188",
            "telephone_number": "860-646-1222"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KLOTZER",
        "first_name": "DOUGLAS",
        "middle_name": "C",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-07-22",
        "last_updated": "2026-06-04",
        "certification_date": "2026-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CT",
            "license": "6758",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marcia B Klepper-Smith, MDIV, BCC
• David Klimowicz, P.A.-C.
• Roberta L. Kline, M.D.
• Alexandra Klinkowski, PA-C
• Klipstein Medical Group PC
• John Knecht
• Christine M Knight, PT
• Kayann Knight
• Monique D Knighton
• Kyung Seok Ko, D.D.S.

• Clinical Social Worker in Manchester, CT
• Providers in Manchester, CT by specialty
• Clinical Social Worker in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 2026; 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.