Individual provider Active NPI

Muhammad Ahmar Siddiqui, M.D

  • Nephrology Physician
  • Dallas, TX
National Provider Identifier
1689824443
Registry record updated Jun 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
N7175 Issued in TX
Practice address
221 W Colorado Blvd Ste 525
Dallas, TX 75208-2312
Phone
(214) 960-5681
Fax
(214) 960-5681
NPI assigned
Sep 29, 2008
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 10, 2025

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

Specialties & licenses 5

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X N7175 TX
Critical Care Medicine (Internal Medicine) Physician 207RC0200X N7175 TX
Hospitalist Physician 208M00000X N7175 TX
Student in an Organized Health Care Education/Training Program 390200000X NM
Nephrology Physician 207RN0300X N7175 TX Primary

Addresses

Primary practice location

221 W Colorado Blvd Ste 525
Dallas, TX 75208-2312

Mailing address

5605 N Macarthur Blvd Ste 740
Irving, TX 75038-2626
Phone (214) 960-5681

Other practice location 1

MSC 10-5550 1 University of New Mexico
Albuquerque, NM 87131
Phone (505) 272-4661

Other practice location 2

800 E Dawson St
Tyler, TX 75701-2036
Phone (903) 606-7264

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100928000171 TX Practitioner - Critical Care (Intensivists)Practitioner - Internal Medicine 7214053297 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Internal Medicine
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dallas Pulmonary and Critical Care PAGroup PAC ID 2163679200, 186 clinicians
Northeast Texas Intensivists, PLLCGroup PAC ID 5092167528, 48 clinicians

Practice addresses (Care Compare)

221 W Colorado Blvd
Suite 525
Dallas, TX 75208-2312
Phone 214960568175

800 E Dawson St
Tyler, TX 75701-2036
Phone (903) 593-8441

Hospital & facility affiliations

  • Methodist Mansfield Medical Center Hospital, Mansfield, TX, CCN 670023
  • Texas Health Arlington Memorial Hospital Hospital, Arlington, TX, CCN 450064
  • Christus Mother Frances Hospital Hospital, Tyler, TX, CCN 450102

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Christus Trinity Clinic Texas CurrentSince Sep 27, 2021 Accepting new patients
Cepamerica Texas PA Critical Care Medicine CurrentSince Aug 2, 2021 Accepting new patients
Northeast Texas Intensivists, PLLC Internal Medicine CurrentSince Sep 2, 2024 Accepting new patients
Texas Health Physicians Group CurrentSince Nov 13, 2012 Accepting new patients
Cepamerica Texas PA Critical Care Medicine CurrentSince Aug 2, 2021 Accepting new patients
Questcare Intensivists PLLC Internal Medicine Current Accepting new patients
Dallas Pulmonary & Critical Care PA Critical Care Medicine CurrentSince Feb 2, 2023 Accepting new patients
Texas Health Physicians Group Current Accepting new patients
Consultants in Lungs and Critical Care LLC Critical Care Medicine CurrentSince Feb 1, 2024 Accepting new patients
Christus Trinity Clinic Texas Internal Medicine CurrentSince Sep 27, 2021 Accepting new patients
Texas Health Physicians Group Internal Medicine CurrentSince Nov 13, 2012 Accepting new patients
Questcare Intensivists PLLC Internal Medicine CurrentSince Jun 1, 2024 Accepting new patients

Locations

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

1600 Hospital Pkwy
Bedford, TX 76022
Phone (817) 355-7803

4333 N Josey Ln
Ste 104
Carrollton, TX 75010
Phone (972) 394-4500

221 W Colorado Blvd
Ste 525
Dallas, TX 75208
Phone (214) 956-4525

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

2301 S FM 51
Ste 300
Decatur, TX 76234
Phone (940) 600-5799

609 Medical Center Dr
Decatur, TX 76234
Phone (940) 626-1360

5605 N MacArthur Blvd
Ste 740
Irving, TX 75038
Phone 2149605681 ext. 75

700 E Marshall Ave
Longview, TX 75601
Phone (903) 236-2000

5252 W University Dr
McKinney, TX 75071
Phone (469) 764-1000

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

11212 State Highway 151
San Antonio, TX 78251
Phone (210) 281-5066

2827 Babcock Rd
San Antonio, TX 78229
Phone (210) 253-9955

341 Wheatfield Dr
Ste 100
Sunnyvale, TX 75182
Phone (972) 329-1996

800 E Dawson St
Fl 4
Tyler, TX 75701
Phone (903) 531-4080

800 E Dawson St
Tyler, TX 75701
Phone (903) 531-5018

630 S Fleishel Ave
Tyler, TX 75701
Phone (903) 510-8888

713 E Anderson St
Weatherford, TX 76086
Phone (682) 582-1000

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 3

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": "1222646400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749513600000",
    "number": "1689824443",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5605 N MACARTHUR BLVD STE 740",
            "city": "IRVING",
            "state": "TX",
            "postal_code": "750382626",
            "telephone_number": "214-960-5681",
            "fax_number": "903-525-1254"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "221 W COLORADO BLVD STE 525",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752082312",
            "telephone_number": "214-960-5681",
            "fax_number": "214-960-5681"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "MSC 10-5550 1 University of New Mexico",
            "address_purpose": "LOCATION",
            "city": "Albuquerque",
            "state": "NM",
            "postal_code": "87131",
            "country_code": "US",
            "telephone_number": "505-272-4661",
            "fax_number": "505-272-4628",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "800 E Dawson St",
            "address_purpose": "LOCATION",
            "city": "Tyler",
            "state": "TX",
            "postal_code": "757012036",
            "country_code": "US",
            "telephone_number": "903-606-7264",
            "fax_number": "903-525-1254",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIDDIQUI",
        "first_name": "MUHAMMAD",
        "middle_name": "AHMAR",
        "name_prefix": "Mr.",
        "credential": "M.D",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-09-29",
        "last_updated": "2025-06-10",
        "certification_date": "2025-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "N7175",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "TX",
            "license": "N7175",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "N7175",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NM",
            "license": null,
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "TX",
            "license": "N7175",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

Verify at the official NPI Registry.