Individual provider Active NPI

John B Marshall, MD

  • Emergency Medicine Physician
  • Dallas, TX
National Provider Identifier
1437135563
Registry record updated Jul 9, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
M0164 Issued in TX
Practice address
7777 Forest LN
Dallas, TX 75230-2505
Phone
(972) 758-3598
NPI assigned
Dec 20, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2014

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X M0164 TX Primary

Addresses

Primary practice location

7777 Forest LN
Dallas, TX 75230-2505

Mailing address

PO Box 201606
Dallas, TX 75320-1606
Phone (972) 758-3598

Other identifiers 3

IdentifierTypeStateIssuer
173183801MedicaidTX
8J1776OtherTXBCBS
P00283723OtherTXMEDICARE RAILROAD

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, FL2 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
I20050610000309 TX Practitioner - Emergency Medicine 2163466160 Reassigns benefits to 3 organizations
I20201023001751 FL Practitioner - Emergency Medicine 2163466160 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Texas Tech University Health Science Center School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Paragon Emergency Services LLCGroup PAC ID 8628153087, 401 clinicians

Practice addresses (Care Compare)

3625 University Blvd S
Jacksonville, FL 32216-4207
Phone (904) 702-6111

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
98
Improvement activities
40

Merit-based Incentive Payment System (MIPS)

Final score
59.59 of 100Reported as apm
Quality
59.93
Promoting interoperability
0
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
University of Florida Jacksonville Physicians Inc Current Accepting new patients
Emergency Physicians Inc Emergency Medicine CurrentSince Nov 1, 2023 Accepting new patients
University of Texas Southwestern Medical Center at Dallas Current Accepting new patients
Questcare Medical Services, PLLC Emergency Medicine CurrentSince May 1, 2005 Accepting new patients
Bryan Emergency Physicians PA Emergency Medicine CurrentSince Sep 1, 2014 Accepting new patients
The University of Texas Southwestern Medical Center at Dallas CurrentSince Oct 1, 2014 Accepting new patients
Questcare Medical Services, PLLC Emergency Medicine CurrentSince May 1, 2005 Accepting new patients
University of Texas Southwestern Medical Center at Dallas CurrentSince Oct 1, 2014 Accepting new patients
University of Florida Jacksonville Physicians, Inc. CurrentSince Nov 13, 2020 Accepting new patients
Paragon Emergency Services LLC Emergency Medicine CurrentSince Aug 1, 2025 Accepting new patients
University of Florida Jacksonville Physicians Inc Emergency Medicine CurrentSince Nov 13, 2020 Accepting new patients
Emergency Physicians Inc Emergency Medicine CurrentSince Nov 1, 2023 Accepting new patients

Locations

1250 S 18th St
Ste 202
Fernandina Beach, FL 32034
Phone (904) 202-2000

1747 Baptist Clay Dr
Ste 250
Fleming Isle, FL 32003
Phone (904) 516-1000

655 W 8th St
Jacksonville, FL 32209
Phone (904) 244-1680

800 Prudential Dr
Jacksonville, FL 32207
Phone (904) 202-2000

3625 University Blvd S
Jacksonville, FL 32216
Phone (904) 333-9404

1451 El Camino Real
The Villages, FL 32159
Phone (352) 751-8000

3301 Matlock Rd
Arlington, TX 76015
Phone (682) 509-6200

2801 Franciscan Dr
Bryan, TX 77802
Phone (409) 776-3777

5201 Harry Hines Blvd
Dallas, TX 75235
Phone (214) 590-1396

7777 Forest Ln
Dallas, TX 75230
Phone (972) 566-7283

3901 W 15th St
Plano, TX 75075
Phone (972) 519-1115

Interoperability endpoints

  • Direct secure messaging: jmarshall507254@direct.shands.ufl.edu

Organizations & group practices 12

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 1

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": "1135036800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1404864000000",
    "number": "1437135563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 201606",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "753201606",
            "telephone_number": "972-758-3598"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7777 FOREST LN",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752302505",
            "telephone_number": "972-758-3598"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARSHALL",
        "first_name": "JOHN",
        "middle_name": "B",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-20",
        "last_updated": "2014-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "M0164",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "173183801",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "8J1776",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "P00283723",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.