John D McCallum III, M.D.

Primary specialty

Orthopaedic Surgery PhysicianTaxonomy code 207X00000X

License

34635 Issued in CT

Practice address

84 N Main St
Branford, CT 06405-3061

Phone

(203) 483-2509

Fax

(203) 483-2513

NPI assigned

Oct 3, 2005

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

Perelman School of Med at the University of Pennsylvania, 1989

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Ptsma IncGroup PAC ID 7911800180, shared by 11 NPIs, 173 clinicians

Connecticut Orthopaedic Specialists PCGroup PAC ID 7315850039, 184 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Infinity Homecare Services, LLC Home health agency, Hamden, CT, CCN 077259
• Atrinity Home Health Home health agency, Wallingford, CT, CCN 077254
• Pathwell Home Health Home health agency, Stratford, CT, CCN 077181
• Midstate Medical Center Hospital, Meriden, CT, CCN 070017
• Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jmccallum@ctortho.gwaydirect.com
• Direct secure messaging: jmccallum108018@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
• Midstate Medical Center

  • General Acute Care Hospital
  • Meriden, CT
  • NPI 1154425288
  Medicare reassignment NPD
• Midstate Medical Center

  • Psychiatric Hospital Unit
  • Meriden, CT
  • NPI 1316022718
  NPD
• Midstate Medical Center

  • General Acute Care Hospital
  • Meriden, CT
  • NPI 1427007848
  NPD

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

• Atrinity Home Health, LLC

  • Home Health Agency
  • Cheshire, CT
  • NPI 1629387691
  Care Compare affiliation
• Infinity Homecare Services, LLC

  • Home Health Agency
  • Plantsville, CT
  • NPI 1184909996
  Care Compare affiliation
• Midstate Medical Center

  • General Acute Care Hospital
  • Meriden, CT
  • NPI 1427007848
  Care Compare affiliation
• Midstate Medical Center

  • General Acute Care Hospital
  • Meriden, CT
  • NPI 1669524187
  Care Compare affiliation
• Pathwell CT, Inc.

  • Home Health Agency
  • Stratford, CT
  • NPI 1871569707
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1336139500
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1578778726
  Care Compare affiliation

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

{
    "created_epoch": "1128297600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778544000000",
    "number": "1447247606",
    "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": "84 N MAIN ST",
            "city": "BRANFORD",
            "state": "CT",
            "postal_code": "064053061",
            "telephone_number": "203-483-2509",
            "fax_number": "203-483-2513"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "701 N Colony Rd",
            "address_purpose": "LOCATION",
            "city": "Wallingford",
            "state": "CT",
            "postal_code": "064922407",
            "country_code": "US",
            "telephone_number": "203-265-1800",
            "fax_number": "203-284-9010",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2408 Whitney Ave",
            "address_purpose": "LOCATION",
            "city": "Hamden",
            "state": "CT",
            "postal_code": "065183209",
            "country_code": "US",
            "telephone_number": "203-407-3545",
            "fax_number": "203-466-8591",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "450 Boston Post Rd",
            "address_purpose": "LOCATION",
            "city": "Guilford",
            "state": "CT",
            "postal_code": "064372933",
            "country_code": "US",
            "telephone_number": "203-453-6340",
            "fax_number": "203-458-9717",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCCALLUM",
        "first_name": "JOHN",
        "middle_name": "D",
        "name_suffix": "III",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-10-03",
        "last_updated": "2026-05-12",
        "certification_date": "2026-05-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery",
            "state": "CT",
            "license": "34635",
            "primary": true
        },
        {
            "code": "207XS0114X",
            "taxonomy_group": "",
            "desc": "Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery",
            "state": "CT",
            "license": "34635",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Justin Maurizio, DPT
• Sloane Palma Maymon
• Rowland B Mayor, M.D.
• MBS Wellness
• Emily McAllister, PHARMD.
• Erin H McCarthy, LCSW
• Mary McCarthy, OTR
• Suzanne Champagne McColl, MS,LPC
• Laurel Megan McCormack
• Caitlin Ann McCormick, ARNP

• Orthopaedic Surgery Physician in Branford, CT
• Providers in Branford, 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.