Mary Wing Sum Tam, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

80895 Issued in CT

Practice address

57 North St Ste 415
Danbury, CT 06810-5629

Phone

(203) 628-4995

NPI assigned

May 22, 2018

Sex

Female

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 2

Medicare fee-for-service enrollment

Enrolled in FL, CT2 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 2

Specialty

Ophthalmology

Education

Tufts University School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Refocus Eye Health of Central Connecticut PCGroup PAC ID 5597176834, 38 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

89.49 of 100Reported as group

Quality

75.46

Promoting interoperability

79

Improvement activities

40

Cost

73.67

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mary.tam.p6@direct.araneyeassociates.nextgenshare.com
• Direct secure messaging: mtam@refocus.intellechartdirect.net
• Direct secure messaging: mary.tam.p1@direct.araneyeassociates.nextgenshare.com

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.

• Refocus Eye Health of Central Connecticut, P.C.

  • Ophthalmology Physician
  • Waterbury, CT
  • NPI 1548874936
  Medicare reassignment Care Compare group NPD
• Aran Eye Associates PA

  • Specialist
  • Miami, FL
  • NPI 1710561097
  Medicare reassignment NPD
• South Florida Vision Associates, LLC

  • Ophthalmology Physician
  • Fort Lauderdale, FL
  • NPI 1275949653
  Medicare reassignment NPD
• Stanley D Braverman MD LLC

  • Ophthalmology Physician
  • Hollywood, FL
  • NPI 1265586127
  Medicare reassignment NPD
• Refocus Eye Health of Central Connecticut, P.C.

  • Eyewear Supplier
  • Waterbury, CT
  • NPI 1689459471

  Ophthalmology

  NPD
• Aran Eye Associates PA

  • Specialist
  • Coral Gables, FL
  • NPI 1295832582
  NPD
• Aran Eye Associates PA

  • Specialist
  • Miami, FL
  • NPI 1447359989
  NPD
• Aran Eye Associates, PA

  • Specialist
  • Cutler Bay, FL
  • NPI 1689060501
  NPD
• The University of Texas Southwestern Medical Center at Dallas

  • Clinical Medical Laboratory
  • Dallas, TX
  • NPI 1396832713
  NPD
• University of Texas Southwestern Medical Center at Dallas

  • Ophthalmology Physician
  • Dallas, TX
  • NPI 1851361471
  NPD
• University of Texas Southwestern Medical Center at Dallas

  • Anesthesiology Physician
  • Dallas, TX
  • NPI 1942270566
  NPD

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

{
    "created_epoch": "1526947200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753228800000",
    "number": "1053802454",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "57 NORTH ST STE 415",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068105629",
            "fax_number": "203-628-4995"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "57 NORTH ST STE 415",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068105629",
            "telephone_number": "203-628-4995"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAM",
        "first_name": "MARY",
        "middle_name": "WING SUM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-05-22",
        "last_updated": "2025-07-23",
        "certification_date": "2025-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "TX",
            "license": "T6053",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CT",
            "license": "80895",
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "FL",
            "license": "ME163116",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "275696",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NY",
            "license": "960492",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "119673400",
            "state": "FL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1053802454",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christine Talarico, MS, PT
• Ankur Talati, D.M.D
• Jacqueline P Talbot, PA
• Meredithe Delia Talibon (Sieradzki)
• Toghrul Talishinskiy, MD
• Rose M Tamura, MD
• Dorothy Hoi-Yu Tang, MSN, RN, CPNP-PC
• Herbert Tang
• Brian Tannenbaum, LMSW
• Jacqueline Taormina

• Ophthalmology Physician in Danbury, CT
• Providers in Danbury, CT by specialty
• Ophthalmology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.