Active NPI
Allen R Dennis Jr., MD
- Internal Medicine Physician
- Hollywood, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- P4155
- 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, 2026
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1573078 | Medicaid | LA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, IN, GA, FL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 4
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
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
| License | State | Type | Specialty |
|---|---|---|---|
| ME176144 | FL | MD | Addiction Medicine (Internal Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Chen Neighborhood Medical Centers of South Florida, LLC | Current | Accepting new patients | |
| Apogee Medical Group Indiana PC | Internal Medicine | Current | Accepting new patients |
| Sound Physicians of Indiana, LLC | Internal Medicine | Current | Accepting new patients |
| Quantum Emergency Physicians PA | Internal Medicine | Current | Accepting new patients |
| Lonestar Hospital Medicine Associates, PA | Internal Medicine | Current | Accepting new patients |
| Hendrick Medical Center | Current | Accepting new patients | |
| Sound Physicians of Indiana, LLC | Internal Medicine | Current | Accepting new patients |
| Transit Home Care Consultants, LLC | Current | Accepting new patients | |
| Apogee Medical Group Texas PA | Internal Medicine | Current | Accepting new patients |
| Cogent Healthcare of Georgia PC | Internal Medicine | Current | Accepting new patients |
| Hospitalist Medicine Physicians of Texas, PLLC | Internal Medicine | Current | Accepting new patients |
| AIDS Healthcare Foundation | Internal Medicine | Current | Accepting new patients |
| D L Murray MD PC | Current | Accepting new patients | |
| Hendrick Medical Center | Internal Medicine | Current | Accepting new patients |
| Chen Neighborhood Medical Centers of South Florida, LLC | Current | Accepting new patients | |
| AIDS Healthcare Foundation | Current | Accepting new patients | |
| Cogent Healthcare of Texas, PA | Internal Medicine | Current | Accepting new patients |
| Ochsner Clinic LLC | Internal Medicine | Past | Accepting new patients |
| C & M Medical Services, Inc. | Past | 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
- 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.
-
dba Ahf
- Health Service Clinic/Center
- North Miami Beach, FL
- NPI 1427218874
-
- Specialist
- Miami Gardens, FL
- NPI 1881024800
-
- Internal Medicine Physician
- Goshen, IN
- NPI 1093973885
-
- Internal Medicine Physician
- Macon, GA
- NPI 1609827823
-
- Internal Medicine Physician
- Dallas, TX
- NPI 1992722953
-
dba Murray Medical & Wellness Center
- Family Medicine Physician
- Atlanta, GA
- NPI 1720379696
-
- Internal Medicine Physician
- Humble, TX
- NPI 1629307095
-
- Hospitalist Physician
- Mansfield, TX
- NPI 1518237429
Internal Medicine
-
dba DBA Quantum Hospitalist Physicians PA
- Hospitalist Physician
- Abilene, TX
- NPI 1215010079
Internal Medicine
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
- Christopher Robert Demassi, MD
- Izidro B. Demoraes, M.D.
- Gail Marie Demore, RN
- Zanele Denaro, APRN
- Carolyn Frances Denney, M.D.
- Dental Associates of Hollywood, PA
- Dental Associates of South Broward, PA
- Dental Care 2 PA
- Dentists of Hollywood, PA (Dentists of Hollywood)
- Lenie Apolinario Depamaylo, APRN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.