Mackenzie Smith, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

044415 Issued in CT

Practice address

64 Robbins St
Sixth Floor
Waterbury, CT 06708-2613

Phone

(203) 573-6263

Fax

(203) 573-6707

NPI assigned

Jul 21, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Female

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Hospitalist

Education

Jefferson Medical College of Thomas Jefferson University, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Middlesex HospitalGroup PAC ID 5092611731, 231 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Middlesex Hospital Hospital, Middletown, CT, CCN 070020
• Griffin Hospital Hospital, Derby, CT, CCN 070031

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: msmith14708@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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Middlesex Hospital

  dba Middlesex Hospital dba Middlesex Hospital Physician Services

  • Family Nurse Practitioner
  • Middletown, CT
  • NPI 1972563138

  Internal Medicine

  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
  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 Griffin Hospital

  • General Acute Care Hospital
  • Derby, CT
  • NPI 1184639973
  Care Compare affiliation

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

{
    "created_epoch": "1153440000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1306867163",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1625 STRAITS TPKE",
            "city": "MIDDLEBURY",
            "state": "CT",
            "postal_code": "067621836",
            "telephone_number": "203-573-9512",
            "fax_number": "203-568-2904"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "64 ROBBINS ST",
            "address_2": "SIXTH FLOOR",
            "city": "WATERBURY",
            "state": "CT",
            "postal_code": "067082613",
            "telephone_number": "203-573-6263",
            "fax_number": "203-573-6707"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SMITH",
        "first_name": "MACKENZIE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-21",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "044415",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CT",
            "license": "044415",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alexandria Smith, APRN
• Donald Joseph Smith Jr.
• Fiona Smith
• Heather Smith
• Kelly Smith
• Michelle Smith, APRN
• Phelese Smith, MD
• Priscilla Smith
• Samuel Lee Smith, R.D.
• Shenelle Keisha Smith, MSN, CNM, IBCLC

• Internal Medicine Physician in Waterbury, CT
• Providers in Waterbury, CT by specialty
• Internal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.
• 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.