Mackenzi Nicole Preston, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

261915 Issued in NY

Practice address

505 E 70TH St FL 5
New York, NY 10021-4872

Phone

(212) 746-3303

Fax

(212) 746-8458

NPI assigned

Jun 3, 2008

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in NY

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989

Interoperability endpoints

• Direct secure messaging: mnh9003@direct.nyp.org
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• Weill Medical College of Cornell

  • Internal Medicine Physician
  • New York, NY
  • NPI 1124170212

  Pediatrics

  Medicare reassignment NPD
• Weill Medical College of Cornell

  • Cardiovascular Disease Physician
  • New York, NY
  • NPI 1144729385
  NPD
• Weill Medical College of Cornell

  • Pediatrics Physician
  • New York, NY
  • NPI 1629018205
  NPD
• The New York and Presbyterian Hospital

  • General Acute Care Hospital
  • New York, NY
  • NPI 1952332801
  NPD (past)

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

{
    "created_epoch": "1212451200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754265600000",
    "number": "1356500599",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "525 E 68TH ST # 139",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100654870",
            "telephone_number": "212-746-3057",
            "fax_number": "212-746-8503"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 E 70TH ST FL 5",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100214872",
            "telephone_number": "212-746-3303",
            "fax_number": "212-746-8458"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PRESTON",
        "first_name": "MACKENZI",
        "middle_name": "NICOLE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-06-03",
        "last_updated": "2025-08-04",
        "certification_date": "2025-08-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NY",
            "license": "261915",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NY",
            "license": "261915",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jessica Valerie Preston, PA-C
• Joanne Hanora Preston, N.P.
• Kayla Danielle Preston, RN
• Kelsey Maeve Preston
• Lisa Meredith Preston, D.O.
• Michael Sean Preston, D.D.S.
• Russell Preston Jr., NP
• Sasha Michelle Preston
• Victoria Preston
• Yakov H Presworsky, DDS

• Hospitalist Physician in New York, NY
• Providers in New York, NY by specialty
• Hospitalist Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.