Individual provider Active NPI

Mercy Annamma John, MSN, APRN, AGACNP-BC

  • Acute Care Nurse Practitioner
  • Houston, TX
National Provider Identifier
1770459752
Registry record updated Oct 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
1215210 Issued in TX
Practice address
6720 Bertner Ave
Houston, TX 77030-2604
Phone
(832) 355-5800
NPI assigned
Oct 15, 2025
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 20, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine Nurse Practitioner 363LC0200X 1215210 TX
Acute Care Nurse Practitioner 363LA2100X 1215210 TX Primary

Addresses

Primary practice location

6720 Bertner Ave
Houston, TX 77030-2604

Mailing address

6720 Bertner Ave
Houston, TX 77030-2604

Other practice location 1

7200 Cambridge St
Houston, TX 77030-4202
Phone (713) 798-2400

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
I20251030003189 TX Practitioner - Nurse Practitioner 0244729069 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Baylor College of MedicineGroup PAC ID 8022243971, 1,230 clinicians

Practice addresses (Care Compare)

6720 Bertner Ave
Houston, TX 77030-2604
Phone (713) 798-1000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Science - Nursing, Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
1215210TXMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor College of Medicine CurrentSince Nov 1, 2025 Accepting new patients
Baylor College of Medicine CurrentSince Nov 1, 2025 Accepting new patients

Locations

7200 Cambridge St
Houston, TX 77030
Phone (713) 798-2400

7200 Cambridge St
Fl 1
Houston, TX 77030
Phone (713) 798-3924

17200 St Lukes Way
The Woodlands, TX 77384
Phone (936) 266-2008

17450 St Lukes Way
Ste 340
The Woodlands, TX 77384
Phone (936) 266-2645

6720 Bertner Ave
Va Hospital, TX 77030
Phone (713) 785-8537

Organizations & group practices 2

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": "1760486400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760918400000",
    "number": "1770459752",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6720 BERTNER AVE",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302604"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6720 BERTNER AVE",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302604",
            "telephone_number": "832-355-5800"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7200 Cambridge St",
            "address_purpose": "LOCATION",
            "city": "Houston",
            "state": "TX",
            "postal_code": "770304202",
            "country_code": "US",
            "telephone_number": "713-798-2400",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JOHN",
        "first_name": "MERCY",
        "middle_name": "ANNAMMA",
        "name_prefix": "Mrs.",
        "credential": "MSN, APRN, AGACNP-BC",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2025-10-15",
        "last_updated": "2025-10-20",
        "certification_date": "2025-10-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LC0200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Critical Care Medicine",
            "state": "TX",
            "license": "1215210",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "TX",
            "license": "1215210",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.