Individual provider Active NPI

William Oren Blalock, MD

  • Internal Medicine Physician
  • New Orleans, LA
National Provider Identifier
1073570479
Registry record updated Apr 29, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD.14167R Issued in LA
Practice address
1514 Jefferson Hwy
New Orleans, LA 70121-2429
Phone
(504) 842-4000
NPI assigned
Apr 28, 2006
Last updated
Apr 29, 2010By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 29, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X MD.14167R LA Primary

Addresses

Primary practice location

1514 Jefferson Hwy
New Orleans, LA 70121-2429

Mailing address

1514 Jefferson Hwy
New Orleans, LA 70121-2429
Phone (504) 842-4000

Other identifiers 2

IdentifierTypeStateIssuer
09023261MedicaidMS
1490369MedicaidLA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in LA, MS2 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

Enrollment IDStateProvider typePAC IDDetails
I20100622000806 LA Practitioner - Internal Medicine 9537290325 Reassigns benefits to 3 organizations
I20260106004108 MS Practitioner - Hospitalist 9537290325 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Medical College of Georgia School of Medicine, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Ochsner Clinic LLCGroup PAC ID 8224933619, 2,845 clinicians
Belle Chasse Physician Services LLCGroup PAC ID 9335379379, 258 clinicians

Practice addresses (Care Compare)

1514 Jefferson Hwy
New Orleans, LA 70121-2429
Phone (504) 842-3000

1516 Jefferson Hwy
New Orleans, LA 70121-2429
Phone (504) 842-3470

180 W Esplanade Ave
Kenner, LA 70065-2467
Phone (504) 468-8600

4608 Hwy 1
Raceland, LA 70394-2623
Phone (985) 537-8377

71380 Hwy 21
Covington, LA 70433-7245
Phone (985) 661-3534

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Ochsner Clinic LLC Internal Medicine CurrentSince Sep 10, 2002 Accepting new patients
Belle Chasse Physician Services LLC CurrentSince Feb 17, 2014 Accepting new patients
Ochsner Clinic LLC CurrentSince Sep 10, 2002 Accepting new patients
Ochsner Clinic LLC Current Accepting new patients
Medical Foundation, Inc. Internal Medicine CurrentSince Sep 11, 2025 Accepting new patients
Medical Foundation, Inc. CurrentSince Sep 11, 2025 Accepting new patients
Mayfair Physician Services, LLC Internal Medicine CurrentSince Mar 1, 2021 Accepting new patients
Img Physicians,LLC Internal Medicine Past Accepting new patients

Locations

17000 Medical Center Dr
Baton Rouge, LA 70816
Phone (225) 752-2470

180 W Esplanade Ave
Kenner, LA 70065
Phone (504) 464-8284

1514 Jefferson Hwy
New Orleans, LA 70121

1516 Jefferson Hwy
New Orleans, LA 70121
Phone (504) 833-2337

2820 Napoleon Ave
Ste 590
New Orleans, LA 70115
Phone (504) 842-4910

25455 Highway 1
Plaquemine, LA 70764
Phone (225) 754-6870

4608 Highway 1
Raceland, LA 70394
Phone (504) 537-6841

100 Medical Center Dr
Slidell, LA 70461
Phone (504) 392-3131

1314 19th Ave
Meridian, MS 39301
Phone (601) 483-0011

2401 16th St
Meridian, MS 39301
Phone (601) 482-4181

Interoperability endpoints

  • Direct secure messaging: wblalock12677@direct.ochsner.org

Organizations & group practices 8

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.

Hospital & facility affiliations 2

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": "1146182400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1272499200000",
    "number": "1073570479",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1514 JEFFERSON HWY",
            "city": "NEW ORLEANS",
            "state": "LA",
            "postal_code": "701212429",
            "telephone_number": "504-842-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1514 JEFFERSON HWY",
            "city": "NEW ORLEANS",
            "state": "LA",
            "postal_code": "701212429",
            "telephone_number": "504-842-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BLALOCK",
        "first_name": "WILLIAM",
        "middle_name": "OREN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-28",
        "last_updated": "2010-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "LA",
            "license": "MD.14167R",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "09023261",
            "state": "MS"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1490369",
            "state": "LA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New Orleans, LA

Sources for this page

Verify at the official NPI Registry.