Jacob Calvin Nafziger, MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

054050 Issued in CT

Practice address

36 Ball Pond Rd E
New Fairfield, CT 06812-4602

Phone

(614) 266-9392

NPI assigned

Oct 5, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CT, NY2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• Hartford Hospital

  • Surgery Physician
  • Hartford, CT
  • NPI 1407806391

  Psychiatry

  Medicare reassignment NPD
• Hartford Hospital

  • General Acute Care Hospital
  • Hartford, CT
  • NPI 1770696643
  Medicare reassignment NPD
• State of Connecticut

  dba Connecticut Valley Hospital

  • Psychiatric Hospital
  • Middletown, CT
  • NPI 1245256247
  Medicare reassignment NPD
• State of Connecticut

  dba Department of Veterans' Affairs, Veterans Home

  • Skilled Nursing Facility
  • Rocky Hill, CT
  • NPI 1205951662
  NPD
• Lima Memorial Joint Operating Company

  dba Lima Memorial Health System

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

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

{
    "created_epoch": "1160006400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766102400000",
    "number": "1144316506",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "36 BALL POND RD E",
            "city": "NEW FAIRFIELD",
            "state": "CT",
            "postal_code": "068124602",
            "telephone_number": "614-266-9392"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "36 BALL POND RD E",
            "city": "NEW FAIRFIELD",
            "state": "CT",
            "postal_code": "068124602",
            "telephone_number": "614-266-9392"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NAFZIGER",
        "first_name": "JACOB",
        "middle_name": "CALVIN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-10-05",
        "last_updated": "2025-12-19",
        "certification_date": "2025-12-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "279672",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CT",
            "license": "054050",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lucy Maria Milano, LCSW
• Marie Miltenberger
• Rachel Mirel, MS, RD
• Emily Mitchell
• Aneta Mocarska, LMFT
• New Fairfield Board of Education
• New Fairfield Health and Injury Center PC
• Jenny Nichols
• Danielle Niesz
• Shravani Sanjay Patil, PT

• Psychiatry Physician in New Fairfield, CT
• Providers in New Fairfield, CT by specialty
• Psychiatry Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 19, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.