Jonas V Lieponis, MD

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

25632 Issued in CT

Practice address

258 Broad St
Milford, CT 06460-3226

Phone

(203) 433-0906

Fax

(203) 453-3081

NPI assigned

Jul 19, 2006

Sex

Male

Sole proprietor

No

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

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

Orthopedic Surgery

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1979

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Connecticut Orthopaedic Specialists PCGroup PAC ID 7315850039, 184 clinicians

Rehabilitation Associates IncGroup PAC ID 8022905322, shared by 2 NPIs, 525 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

87.81 of 100Reported as group

Quality

79.31

Promoting interoperability

100

Improvement activities

40

Cost

80.04

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jlieponis321116@xdr.hhchealthdirect.org

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.

• Connecticut Orthopaedic Specialists, PC

  • Orthopaedic Surgery Physician
  • Hamden, CT
  • NPI 1235181389
  Medicare reassignment Care Compare group NPD
• Saint Raphael Faculty Physicians

  • Internal Medicine Physician
  • New Haven, CT
  • NPI 1932138138
  NPD (past)
• Saint Raphael Healthcare System Affiliated Physicians Inc

  • Neurology Physician
  • New Haven, CT
  • NPI 1063744001
  NPD (past)

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

{
    "created_epoch": "1153267200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778544000000",
    "number": "1306865407",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 BARNES INDUSTRIAL RD S",
            "city": "WALLINGFORD",
            "state": "CT",
            "postal_code": "064922486",
            "telephone_number": "203-626-0160",
            "fax_number": "203-294-6734"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "258 BROAD ST",
            "city": "MILFORD",
            "state": "CT",
            "postal_code": "064603226",
            "telephone_number": "203-433-0906",
            "fax_number": "203-453-3081"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "84 N Main St",
            "address_purpose": "LOCATION",
            "city": "Branford",
            "state": "CT",
            "postal_code": "064053061",
            "country_code": "US",
            "telephone_number": "203-483-2509",
            "fax_number": "203-483-2513",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LIEPONIS",
        "first_name": "JONAS",
        "middle_name": "V",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-19",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CT",
            "license": "25632",
            "primary": true
        },
        {
            "code": "207XS0117X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
            "state": "CT",
            "license": "25632",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Beth Lewis, LMFT
• Robert James Lewis, M.D.
• Hongjie Li, D.O.
• Jinlei Li, MD
• Shari Halima Lidonde, LPN
• Life Choice Hospice of Connecticut LLC
• Life Choice Hospice of Connecticut LLC
• Lighthouse Vision LLC
• Weijie Violet Lin, MD
• Keith Lipsitz, MD

• Orthopaedic Surgery Physician in Milford, CT
• Providers in Milford, CT by specialty
• Orthopaedic Surgery Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 12, 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.