Mary Lydon Guye, M.D.

Primary specialty

Surgical Oncology PhysicianTaxonomy code 2086X0206X

License

0101263892 Issued in VA

Practice address

4000 Coliseum Dr Ste 110
Hampton, VA 23666-5969

Phone

(757) 827-8486

Fax

(757) 827-8718

NPI assigned

Oct 11, 2005

Last updated

Aug 21, 2026By 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 3

Addresses

Medicare fee-for-service enrollment

Enrolled in VA

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

Surgical OncologyAlso: General Surgery

Education

Uniformed Services Uhs Fe Hebert School of Med, 1997

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sentara Medical GroupGroup PAC ID 8921903923, 1,396 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Sentara Careplex Hospital Hospital, Hampton, VA, CCN 490093
• Sentara Obici Hospital Hospital, Suffolk, VA, CCN 490044
• Sentara Williamsburg Regional Medical Center Hospital, Williamsburg, VA, CCN 490066

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mguye428277@direct.sentara.net

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.

• Sentara Medical Group

  • Family Medicine Physician
  • Norfolk, VA
  • NPI 1265485270

  Surgical Oncology

  Medicare reassignment Care Compare group NPD

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

• Sentara Hospitals

  dba Sentara Careplex Hospital

  • General Acute Care Hospital
  • Hampton, VA
  • NPI 1336109107
  Care Compare affiliation
• Sentara Hospitals

  dba Sentara Obici Hospital

  • General Acute Care Hospital
  • Suffolk, VA
  • NPI 1376540138
  Care Compare affiliation
• Sentara Hospitals

  dba Sentara Williamsburg Regional Medical Center

  • General Acute Care Hospital
  • Williamsburg, VA
  • NPI 1619938149
  Care Compare affiliation

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

{
    "created_epoch": "1128988800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1306834775",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 COLISEUM DR STE 110",
            "city": "HAMPTON",
            "state": "VA",
            "postal_code": "236665969",
            "telephone_number": "757-827-8486",
            "fax_number": "757-827-8718"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 COLISEUM DR STE 110",
            "city": "HAMPTON",
            "state": "VA",
            "postal_code": "236665969",
            "telephone_number": "757-827-8486",
            "fax_number": "757-827-8718"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11803 Jefferson Ave Ste 235",
            "address_purpose": "LOCATION",
            "city": "Newport News",
            "state": "VA",
            "postal_code": "236062565",
            "country_code": "US",
            "telephone_number": "757-594-1806",
            "fax_number": "757-510-9079",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUYE",
        "first_name": "MARY",
        "middle_name": "LYDON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2005-10-11",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "OH",
            "license": "87591",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "CA",
            "license": "C54525",
            "primary": false
        },
        {
            "code": "2086X0206X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Oncology",
            "state": "VA",
            "license": "0101263892",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jamie Danielle Guertin, C.N.M.
• Maria Guina-Byrne, M.D.
• Vikas Gupta, M.D.
• Marianne M Gustafson, MSW, LCSW
• Leia Jo Gustin, AGACNP
• Renee Fensom Guynn, M.A.
• Martha Sue Guyon, M.D.
• Nicole J Ha, DO
• Sha-Ron M. Haddock, LCSW
• William Eugene Haefner, MSW, LCSW

• Surgical Oncology Physician in Hampton, VA
• Providers in Hampton, VA by specialty
• Surgical Oncology Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.