Mark Robert Zonfrillo, MD

Primary specialty

Pediatric Emergency Medicine (Emergency Medicine) PhysicianTaxonomy code 207PP0204X

License

1024725 Issued in MA

Practice address

2014 Washington St
Newton, MA 02462-1699

Phone

(617) 243-6000

NPI assigned

May 16, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 5

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in CT, RI, MA3 enrollments

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 3

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: zonfrillo.mark.nwh@direct.partners.masshiway.net
• Direct secure messaging: mzonfrillo718045@direct.ynhh.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.

• Lawrence and Memorial Hospital, Inc.

  • General Acute Care Hospital
  • New London, CT
  • NPI 1073530879

  Pediatrics

  Medicare reassignment NPD
• Lifespan Physician Group, Inc.

  • General Practice Physician
  • Providence, RI
  • NPI 1407116643
  Medicare reassignment NPD
• Mass General Brigham Medical Group, Inc.

  • Internal Medicine Physician
  • Salem, NH
  • NPI 1083360200

  MA

  Medicare reassignment NPD
• Newton Wellesley Hospital

  • General Acute Care Hospital
  • Newton, MA
  • NPI 1952845521
  NPD
• Lawrence and Memorial Hospital, Inc.

  • Community/Retail Pharmacy
  • New London, CT
  • NPI 1184402331
  NPD
• Lifespan Physician Group, Inc.

  • Emergency Medicine Physician
  • Providence, RI
  • NPI 1568325678

  Pediatric Emergency Medicine

  NPD

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

{
    "created_epoch": "1147737600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1235180852",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "65 CARRS POND RD",
            "city": "WEST GREENWICH",
            "state": "RI",
            "postal_code": "028172548"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2014 WASHINGTON ST",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "024621699",
            "telephone_number": "617-243-6000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "365 Montauk Ave",
            "address_purpose": "LOCATION",
            "city": "New London",
            "state": "CT",
            "postal_code": "063204769",
            "country_code": "US",
            "telephone_number": "860-442-0711",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZONFRILLO",
        "first_name": "MARK",
        "middle_name": "ROBERT",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-16",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "RI",
            "license": "MD14967",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "RI",
            "license": "MD14967",
            "primary": false
        },
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "MA",
            "license": "1024725",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CT",
            "license": "043923",
            "primary": false
        },
        {
            "code": "2080P0204X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Emergency Medicine",
            "state": "RI",
            "license": "MD14967",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1235180852",
            "state": "RI"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAR-NGS",
            "identifier": "U400222345",
            "state": "RI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "110102928A",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Xuan Q. Zhang, MD
• Xue Zhao, MD
• Chun-Han Zhu
• Michelle Zhu
• Joyce E Zinchuk, RDH
• Christopher Thomas Zoppo, MD
• Madeleine Zorrilla
• Ariel Zwelling
• Emily P Zylber, LICSW

• Pediatric Emergency Medicine (Emergency Medicine) Physician in Newton, MA
• Providers in Newton, MA by specialty
• Pediatric Emergency Medicine (Emergency Medicine) Physician in Massachusetts

• 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.