Individual provider Active NPI

Mercy John, NP

  • Family Nurse Practitioner
  • Dallas, TX
National Provider Identifier
1437712155
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
AP140215 Issued in TX
Practice address
11661 Preston Rd Ste 218
Dallas, TX 75230-6173
Phone
(214) 363-1571
NPI assigned
Apr 18, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X AP140215 TX Primary

Addresses

Primary practice location

11661 Preston Rd Ste 218
Dallas, TX 75230-6173

Mailing address

11661 Preston Rd Ste 218
Dallas, TX 75230-6173
Phone (214) 363-1571

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20201013002639 TX Practitioner - Nurse Practitioner 7416377437 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Wellmed Medical Group PAGroup PAC ID 4880657386, 666 clinicians

Practice addresses (Care Compare)

11255 Garland Rd
Suite 1130
Dallas, TX 75218-2573
Phone (972) 682-5757

6157 NW Loop 410
124 Wellmed at Ingram Park
San Antonio, TX 78238-3302
Phone (210) 523-1411

819 W Arapaho Rd
Suite 14
Richardson, TX 75080-5041
Phone (214) 345-9999

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
754525TXMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Ikechukwu Osuji, M.D PA CurrentSince Jul 1, 2022 Accepting new patients
Wellmed Medical Group, PA CurrentSince Jan 22, 2024 Accepting new patients
Wellmed Medical Group, P.a. CurrentSince Jan 22, 2024 Accepting new patients

Locations

333 N Shiloh Rd
Ste 107
Garland, TX 75042
Phone (945) 260-3205

601 Clara Barton Blvd
Ste 100
Garland, TX 75042
Phone (972) 276-1779

8637 Fredericksburg Rd
Ste 360
San Antonio, TX 78240
Phone (210) 304-3500

6157 NW Loop 410
Ste 124
San Antonio, TX 78238
Phone (210) 523-1411

Interoperability endpoints

  • Direct secure messaging: mercy.john.p2@direct.alegiscare.nextgenshare.com
  • FHIR API: https://api.platform.athenahealth.com/21218/brand/1/csg/1/fhir/r4

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1555545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1437712155",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11661 PRESTON RD STE 218",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752306173",
            "telephone_number": "214-363-1571"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11661 PRESTON RD STE 218",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752306173",
            "telephone_number": "214-363-1571"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHN",
        "first_name": "MERCY",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-04-18",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "AP140215",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.