Individual provider Active NPI

Allen R Dennis Jr., MD

  • Internal Medicine Physician
  • Hollywood, FL
National Provider Identifier
1598866790
Registry record updated Sep 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
P4155 Issued in TX
Practice address
390 S State Road 7
Hollywood, FL 33023-6718
Phone
(954) 743-5522
Fax
(954) 743-5632
NPI assigned
Sep 26, 2006
Last updated
Sep 17, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X P4155 TX Primary
Addiction Medicine (Internal Medicine) Physician 207RA0401X P4155 TX

Addresses

Primary practice location

390 S State Road 7
Hollywood, FL 33023-6718

Mailing address

6255 W Sunset Blvd FL 21
Los Angeles, CA 90028-7422
Phone (323) 860-5200

Other practice location 1

400 N Beach St Ste 104
Ft Worth, TX 76111-7070
Phone (817) 831-1750

Other identifiers 1

IdentifierTypeStateIssuer
1573078MedicaidLA

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, IN, GA, FL4 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 4

Enrollment IDStateProvider typePAC IDDetails
I20140718001951 TX Practitioner - Internal Medicine 7810928322 Reassigns benefits to 5 organizations
I20140818000410 IN Practitioner - Internal MedicinePractitioner - Preventive Medicine 7810928322 Reassigns benefits to 2 organizations
I20180807000506 GA Practitioner - Hospitalist 7810928322 Reassigns benefits to 2 organizations
I20251112004152 FL Practitioner - Internal Medicine 7810928322 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
AIDS Healthcare FoundationGroup PAC ID 2668369109, 101 clinicians

Practice addresses (Care Compare)

2 Shircliff Way
Suite 900
Jacksonville, FL 32204-4753
Phone (904) 381-9651

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
ME176144FLMDAddiction Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Chen Neighborhood Medical Centers of South Florida, LLC CurrentSince Dec 1, 2025 Accepting new patients
Apogee Medical Group Indiana PC Internal Medicine CurrentSince Aug 1, 2014 Accepting new patients
Sound Physicians of Indiana, LLC Internal Medicine CurrentSince Sep 13, 2017 Accepting new patients
Quantum Emergency Physicians PA Internal Medicine CurrentSince Jun 15, 2014 Accepting new patients
Lonestar Hospital Medicine Associates, PA Internal Medicine CurrentSince Jun 15, 2014 Accepting new patients
Hendrick Medical Center CurrentSince Oct 1, 2014 Accepting new patients
Sound Physicians of Indiana, LLC Internal Medicine CurrentSince Sep 13, 2017 Accepting new patients
Transit Home Care Consultants, LLC CurrentSince Nov 27, 2022 Accepting new patients
Apogee Medical Group Texas PA Internal Medicine CurrentSince Jul 12, 2015 Accepting new patients
Cogent Healthcare of Georgia PC Internal Medicine CurrentSince Jun 1, 2019 Accepting new patients
Hospitalist Medicine Physicians of Texas, PLLC Internal Medicine CurrentSince Dec 2, 2015 Accepting new patients
AIDS Healthcare Foundation Internal Medicine CurrentSince Nov 17, 2025 Accepting new patients
D L Murray MD PC CurrentSince Jun 1, 2020 Accepting new patients
Hendrick Medical Center Internal Medicine CurrentSince Oct 1, 2014 Accepting new patients
Chen Neighborhood Medical Centers of South Florida, LLC CurrentSince Dec 1, 2025 Accepting new patients
AIDS Healthcare Foundation CurrentSince Nov 17, 2025 Accepting new patients
Cogent Healthcare of Texas, PA Internal Medicine CurrentSince Oct 15, 2019 Accepting new patients
Ochsner Clinic LLC Internal Medicine Past Accepting new patients
C & M Medical Services, Inc. PastSince Oct 1, 2016 Accepting new patients

Locations (25 of 30)

390 S State Road 7
Hollywood, FL 33023
Phone (954) 743-5522

2 Shircliff Way
Ste 900
Jacksonville, FL 32204
Phone (904) 381-9651

1395 NW 167th St
Miami Gardens, FL 33169
Phone (305) 831-4760

20801 NW 2nd Ave
Miami Gardens, FL 33169

6037 Kimberly Blvd
North Lauderdale, FL 33068
Phone (954) 379-8994

3135 State Road 580
Ste 1
Safety Harbor, FL 34695
Phone (727) 259-2000

920 Dannon Vw SW
Ste 3103
Atlanta, GA 30331
Phone (404) 549-9471

1170 Cleveland Ave
East Point, GA 30344
Phone (404) 305-3500

4700 Waters Ave
Savannah, GA 31404
Phone (912) 273-1100

601 W 2nd St
Bloomington, IN 47403
Phone (812) 353-5252

5215 Holy Cross Pkwy
Mishawaka, IN 46545
Phone (574) 335-2443

85 E US Highway 6
Valparaiso, IN 46383
Phone (219) 983-5743

520 S 7th St
Vincennes, IN 47591
Phone (812) 885-3280

1900 Pine St
Abilene, TX 79601
Phone (325) 670-4220

11113 Research Blvd
Austin, TX 78759
Phone (512) 324-1125

1201 W 38th St
Austin, TX 78705
Phone (512) 324-1058

12221 N Mopac Expy
Austin, TX 78758
Phone (512) 901-2530

601 E 15th St
Austin, TX 78701
Phone (512) 324-7868

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

201 Walls Dr
Cleburne, TX 76033
Phone (817) 556-5587

600 Elizabeth St
Corpus Christi, TX 78404
Phone (361) 325-2511

3201 W State Highway 22
Corsicana, TX 75110
Phone (903) 654-6800

3500 W Wheatland Rd
Dallas, TX 75237
Phone (214) 947-5950

1500 S Main St
Ft Worth, TX 76104
Phone (817) 921-3431

18951 N Memorial Dr
Humble, TX 77338
Phone (281) 319-8409

Interoperability endpoints

  • Direct secure messaging: allen.dennis.1@26356.direct.athenahealth.com

Organizations & group practices 20

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.

View all 20

NPI Registry JSON

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

{
    "created_epoch": "1159228800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1598866790",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6255 W SUNSET BLVD FL 21",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900287422",
            "telephone_number": "323-860-5200"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "390 S STATE ROAD 7",
            "city": "HOLLYWOOD",
            "state": "FL",
            "postal_code": "330236718",
            "telephone_number": "954-743-5522",
            "fax_number": "954-743-5632"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "400 N Beach St Ste 104",
            "address_purpose": "LOCATION",
            "city": "Ft Worth",
            "state": "TX",
            "postal_code": "761117070",
            "country_code": "US",
            "telephone_number": "817-831-1750",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DENNIS",
        "first_name": "ALLEN",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-09-26",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "P4155",
            "primary": true
        },
        {
            "code": "207RA0401X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Addiction Medicine",
            "state": "TX",
            "license": "P4155",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1573078",
            "state": "LA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Hollywood, FL

Sources for this page

Verify at the official NPI Registry.