Individual provider Active NPI

Mary Virginia Stringfellow, M.D.

  • Hematology & Oncology Physician
  • Baton Rouge, LA
National Provider Identifier
1194743849
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
License
14408R Issued in LA
Practice address
7777 Hennessy Blvd Ste 103
Baton Rouge, LA 70808-4363
Phone
(225) 757-0343
Fax
(225) 757-8354
NPI assigned
Jul 18, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology (Internal Medicine) Physician 207RH0000X 14408R LA
Hospitalist Physician 208M00000X 14408R LA
Medical Oncology Physician 207RX0202X 14408R LA
Hematology & Oncology Physician 207RH0003X 14408R LA Primary
Internal Medicine Physician 207R00000X 14408R LA

Addresses

Primary practice location

7777 Hennessy Blvd Ste 103
Baton Rouge, LA 70808-4363

Mailing address

5959 S Sherwood Forest Blvd
Baton Rouge, LA 70816-6038
Phone (225) 757-0343

Other practice location 1

5439 Airline Hwy
Baton Rouge, LA 70805-1712
Phone (225) 757-0343

Other practice location 2

5000 Odonavan Blvd Ste 404
Walker, LA 70785-6355
Phone (225) 757-0343

Other practice location 3

6180 Main St Ste A
Zachary, LA 70791-4069
Phone (225) 658-6691

Other identifiers 1

IdentifierTypeStateIssuer
1128121MedicaidLA

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address mstringfellow14943@direct.casso.us.com Direct
FHIR URL https://epicproxy.et0830.epichosted.com/FHIRProxy/api/FHIR/DSTU2/ Other

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in LA
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

Enrollment IDStateProvider typePAC IDDetails
I20100318000133 LA Practitioner - Hematology/Oncology 9739214594 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Mercer University School of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hospital Service District 1 of East Baton Rouge ParishGroup PAC ID 0941191902, 44 clinicians
Our Lady of the Lake Physician Group LLCGroup PAC ID 4587849781, 637 clinicians

Practice addresses (Care Compare)

6180 Main St
Suite a
Zachary, LA 70791-4069
Phone (225) 658-4400

7777 Hennessy Blvd
Suite 409
Baton Rouge, LA 70808-4365
Phone (225) 765-5864

Hospital & facility affiliations

  • Lane Regional Medical Center Hospital, Zachary, LA, CCN 190020
  • Our Lady of the Lake Regional Medical Center Hospital, Baton Rouge, LA, CCN 190064
  • Pointe Coupee General Hospital Hospital, New Roads, LA, CCN 191316

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
14408RLAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Our Lady of the Lake Physician Group LLC CurrentSince Oct 15, 2018 Accepting new patients
Hospital Service District 1 of East Baton Rouge Parish Hematology & Oncology CurrentSince Jan 26, 2023 Accepting new patients
Hospital Service District 1 of East Baton Rouge Parish Current Accepting new patients
Hospital Service District 1 of East Baton Rouge Parish CurrentSince Jan 26, 2023 Accepting new patients
Our Lady of the Lake Physician Group LLC Internal Medicine CurrentSince Oct 15, 2018 Accepting new patients

Locations

5959 S Sherwood Forest Blvd
Baton Rouge, LA 70816
Phone (225) 526-0011

5000 Hennessy Blvd
Baton Rouge, LA 70808
Phone (225) 765-4050

4950 Essen Ln
Ste 500
Baton Rouge, LA 70809
Phone (225) 765-8823

7777 Hennessy Blvd
Ste 409
Baton Rouge, LA 70808
Phone (225) 765-1765

7777 Hennessy Blvd
Ste 103
Baton Rouge, LA 70808
Phone (225) 215-2255

7777 Hennessy Blvd
Ste 7000
Baton Rouge, LA 70808
Phone (225) 765-8829

5439 Airline Hwy
Baton Rouge, LA 70805
Phone (225) 358-2280

7777 Hennessy Blvd
Ste 701
Baton Rouge, LA 70808
Phone (225) 765-5864

2647 S Saint Elizabeth Blvd
Ste 125
Gonzales, LA 70737
Phone (225) 647-9675

1104 W Highway 30
Gonzales, LA 70737
Phone (225) 215-1321

1125 W Highway 30
Gonzales, LA 70737
Phone (225) 621-2975

5000 Odonavan Blvd
Ste 404
Walker, LA 70785
Phone (225) 369-8100

6180 Main St
Ste B
Zachary, LA 70791
Phone (225) 381-6550

6300 Main St
Zachary, LA 70791
Phone (225) 570-2618

6180 Main St
Ste A
Zachary, LA 70791
Phone (225) 658-4400

Interoperability endpoints

  • Direct secure messaging: mstringfellow14943@direct.casso.us.com

Organizations & group practices 6

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.

Hospital & facility affiliations 8

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

NPI Registry JSON

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

{
    "created_epoch": "1153180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1194743849",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5959 S SHERWOOD FOREST BLVD",
            "city": "BATON ROUGE",
            "state": "LA",
            "postal_code": "708166038",
            "telephone_number": "225-757-0343",
            "fax_number": "225-765-9196"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7777 HENNESSY BLVD STE 103",
            "city": "BATON ROUGE",
            "state": "LA",
            "postal_code": "708084363",
            "telephone_number": "225-757-0343",
            "fax_number": "225-757-8354"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5439 Airline Hwy",
            "address_purpose": "LOCATION",
            "city": "Baton Rouge",
            "state": "LA",
            "postal_code": "708051712",
            "country_code": "US",
            "telephone_number": "225-757-0343",
            "fax_number": "225-358-2327",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5000 Odonavan Blvd Ste 404",
            "address_purpose": "LOCATION",
            "city": "Walker",
            "state": "LA",
            "postal_code": "707856355",
            "country_code": "US",
            "telephone_number": "225-757-0343",
            "fax_number": "225-757-8354",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6180 Main St Ste A",
            "address_purpose": "LOCATION",
            "city": "Zachary",
            "state": "LA",
            "postal_code": "707914069",
            "country_code": "US",
            "telephone_number": "225-658-6691",
            "fax_number": "225-658-6698",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STRINGFELLOW",
        "first_name": "MARY",
        "middle_name": "VIRGINIA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-07-18",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "LA",
            "license": "14408R",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "LA",
            "license": "14408R",
            "primary": false
        },
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "LA",
            "license": "14408R",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "LA",
            "license": "14408R",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "LA",
            "license": "14408R",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1128121",
            "state": "LA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mstringfellow14943@direct.casso.us.com",
            "affiliation": "N",
            "endpointDescription": "FMOLHS-Epic",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "mstringfellow14943@direct.casso.us.com",
            "address_1": "7777 Hennessy Blvd Ste 701",
            "city": "Baton Rouge",
            "state": "LA",
            "country_code": "US",
            "postal_code": "708084370",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0830.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "N",
            "endpointDescription": "FMOLHS FHIR URL",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "7777 Hennessy Blvd Ste 701",
            "city": "Baton Rouge",
            "state": "LA",
            "country_code": "US",
            "postal_code": "708084370",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Baton Rouge, LA

Sources for this page

Verify at the official NPI Registry.