Otto Weis, M.D.

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

030091 Issued in CT

Practice address

90 S Main St
Middletown, CT 06457-3649

Phone

(860) 344-6300

Fax

(860) 344-9249

NPI assigned

Jan 18, 2006

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: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Family Practice

Education

Texas Tech University Health Science Center School of Medicine, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Middlesex HospitalGroup PAC ID 5092611731, 231 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Middlesex Health Care at Home & Hospice Program Hospice, Middletown, CT, CCN 071522
• Middlesex Hospital Hospital, Middletown, CT, CCN 070020

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: oweis13397@middlesexhealthprd.direct-ci.com

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.

• Middlesex Hospital

  dba Middlesex Hospital dba Family Practice Group

  • Family Medicine Physician
  • Middletown, CT
  • NPI 1851350664
  Medicare reassignment Care Compare group NPD
• Connecticut Pathology Group PC

  • Anatomic Pathology & Clinical Pathology Physician
  • Middletown, CT
  • NPI 1740219625
  NPD
• Middlesex Hospital

  dba Middlesex Hospital Homecare and Hospice

  • Community Based Hospice Care Agency
  • Middletown, CT
  • NPI 1003873233

  Family Medicine

  NPD
• Middlesex Hospital

  dba Middlesex Hospital dba Middlesex Hospital Psychiatric Physician Servic

  • Psychiatry Physician
  • Middletown, CT
  • NPI 1760451041
  NPD
• Middlesex Hospital

  • General Acute Care Hospital
  • Middletown, CT
  • NPI 1760454334
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Middlesex Hospital

  • General Acute Care Hospital
  • Middletown, CT
  • NPI 1760454334
  Care Compare affiliation

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

{
    "created_epoch": "1137542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1326028176",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "90 S MAIN ST",
            "city": "MIDDLETOWN",
            "state": "CT",
            "postal_code": "064573649",
            "telephone_number": "860-344-6300",
            "fax_number": "860-344-9249"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "90 S MAIN ST",
            "city": "MIDDLETOWN",
            "state": "CT",
            "postal_code": "064573649",
            "telephone_number": "860-344-6300",
            "fax_number": "860-344-9249"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEIS",
        "first_name": "OTTO",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-18",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CT",
            "license": "030091",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Helena Weeks, LMFT
• Anna Therese Wehde, PHD, LP
• Candice L Weigle-Spier, PSYD
• Nicole Regan Weinreb, M.D.
• Dina N Weis, PHD
• Allison Rose Weisenbach
• Ever Peaceful Weiss, LCSW
• William F Weiss, DC
• Joseph Burt Weissberg, MD
• Miryam Welbourne, PSY.D.

• Family Medicine Physician in Middletown, CT
• Providers in Middletown, CT by specialty
• Family Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.