Active NPI
Garrett L Simmons, M.D.
- Diagnostic Radiology Physician
- Houston, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- S1275
- Practice address
- 6720 Bertner Ave Ste 2270
Houston, TX 77030-2604 - Phone
- (713) 861-7164
- NPI assigned
- Apr 16, 2013
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | S1275 | TX | Primary |
| Diagnostic Radiology Physician | 2085R0202X | ME173275 | FL |
Addresses
Primary practice location
6720 Bertner Ave Ste 2270
Houston, TX 77030-2604
Mailing address
2123 Woodhead St
Houston, TX 77019-6818
Phone (512) 431-9364
Other practice location 1
4250 Hospital Dr
Marianna, FL 32446-1917
Phone (850) 526-2200
Other practice location 2
PO Box 4346
Houston, TX 77210-4346
Phone (713) 861-7164
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, ND, AL, 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
- Diagnostic Radiology
- Education
- Texas Tech University Health Science Center School of Medicine, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
Houston, TX 77019
Phone (469) 677-7430
1705 Jackson St
Richmond, TX 77469-3246
Phone (713) 461-3573
2123 Woodhead St
Houston, TX 77019-6818
Phone (888) 264-0330
277 Huntress St
Suite 100
Wetumpka, AL 36092-3342
Phone (334) 567-3309
4250 Hospital Dr
Marianna, FL 32446-1917
Phone (850) 526-2200
4412 Hogan Rd
Deatsville, AL 36022-3400
Phone (334) 514-4851
575 Hill Country Dr
Suite 101
Kerrville, TX 78028-6024
Phone (830) 258-7090
Hospital & facility affiliations
- Memorial Hermann Northeast Hospital
- Memorial Hermann Hospital System
- HCA Houston Healthcare Clear Lake
- Bon Secours St Francis Medical Center
- Bon Secours Memorial Regional Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| ME173275 | FL | MD | Diagnostic Radiology Physician |
| S1275 | TX | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Prime Healthcare Services-Gadsden Physician Management LLC | Current | Accepting new patients | |
| Wetumpka Urgent Care LLC | Current | Accepting new patients | |
| Sanford Clinic | Diagnostic Radiology | Current | Accepting new patients |
| Ivy Creek Family Care of Lake Martin | Current | Accepting new patients | |
| Physical Express | Current | Accepting new patients | |
| Coaxion PLLC | Diagnostic Radiology | Current | Accepting new patients |
| Enterprise Urgent Care | Current | Accepting new patients | |
| Sanford Medical Center Fargo | Current | Accepting new patients | |
| Adi Radiology PC | Diagnostic Radiology | Current | Accepting new patients |
| Singleton Associates PA | Diagnostic Radiology | Current | Accepting new patients |
| Mid Coast Health System | Current | Accepting new patients | |
| Peterson Medical Associates | Current | Accepting new patients | |
| Murfreesboro Radiology & Nuclear Medicine Consultants PLLC | Diagnostic Radiology | Current | Accepting new patients |
| Chilton Family Care, LLC | Current | Accepting new patients | |
| Middle Tennessee Imaging LLC | Diagnostic Radiology | Current | Accepting new patients |
| Ivy Creek of Elmore, LLC | Current | Accepting new patients | |
| Sanford Medical Center Fargo | Current | Accepting new patients | |
| River Region Family Medicine, LLC | Current | Accepting new patients | |
| Ivy Creek of Elmore LLC | Current | Accepting new patients | |
| Mid Coast Health System | Current | Accepting new patients | |
| Diagnostic MRI Central LLC | Diagnostic Radiology | Current | Accepting new patients |
| Radiology Alliance PC | Diagnostic Radiology | Current | Accepting new patients |
| Concord Radiology PLLC | Diagnostic Radiology | Current | Accepting new patients |
| Ivy Creek of Elmore, LLC | Current | Accepting new patients | |
| ER Physician Group at Jackson Hospital | Current | Accepting new patients | |
| Cardiovascular Care Providers, Inc. | Past | Accepting new patients | |
| Taos Health Systems, Inc., Holy Cross Hospital | Past | Accepting new patients | |
| Community Radiology Associates P a | Diagnostic Radiology | Past | Accepting new patients |
| Ivycreek of Elmore LLC | Past | Accepting new patients |
Locations (25 of 69)
1210 7th St S
Clanton, AL 35045
Phone (205) 280-0620
4412 Hogan Rd
Deatsville, AL 36022
Phone (334) 514-4851
6582 Boll Weevil Cir
Enterprise, AL 36330
Phone (334) 347-2027
600 S 3rd St
Gadsden, AL 35901
Phone (256) 543-5200
303 Bay St
Ste 401
Gadsden, AL 35901
Phone (256) 413-6591
1642A Pelham Rd S
Jacksonville, AL 36265
Phone (256) 543-1222
4081 Highway 14
Millbrook, AL 36054
Phone (334) 285-3222
2256 Gilmer Ave
Tallassee, AL 36078
Phone (334) 283-2542
41 Cambridge Ct
Wetumpka, AL 36093
Phone (334) 567-3309
277 Huntress St
Ste 100
Wetumpka, AL 36092
Phone (334) 567-3309
500 Hospital Dr
Wetumpka, AL 36092
Phone (334) 283-2542
4250 Hospital Dr
Marianna, FL 32446
Phone (850) 526-2200
4820 23rd Ave S
Fargo, ND 58104
1220 Sheyenne St
West Fargo, ND 58078
Phone (701) 234-4445
3754 Murfreesboro Pike
Ste 102
Antioch, TN 37013
Phone (615) 467-4642
789 Old Hickory Blvd
Brentwood, TN 37027
Phone (615) 555-6870
110 Doctors Dr
Celina, TN 38551
Phone (931) 243-3860
440 N Holtzclaw Ave
Chattanooga, TN 37404
Phone (423) 698-5561
980 Professional Park Dr
Ste E
Clarksville, TN 37040
Phone (615) 327-2001
4601 Carothers Pkwy
Ste 100
Franklin, TN 37067
4321 Carothers Pkwy
Franklin, TN 37067
Phone (615) 435-5000
3310 Aspen Grove Dr
Ste 101
Franklin, TN 37067
Phone (615) 771-0171
3000 Edward Curd Ln
Fl 1
Franklin, TN 37067
110 Saint Blaise Rd
Ste 102
Gallatin, TN 37066
Phone (615) 467-4640
262 New Shackle Island Rd
Ste 206
Hendersonville, TN 37075
Phone (615) 986-6050
Interoperability endpoints
- https://api.platform.athenahealth.com/10998/brand/1/csg/1/fhir/r4
Organizations & group practices 31
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.
-
- Diagnostic Radiology Physician
- Lubbock, TX
- NPI 1598260515
-
- Obstetrics & Gynecology Physician
- Kerrville, TX
- NPI 1770800575
-
- Diagnostic Radiology Physician
- Shenandoah, TX
- NPI 1538107875
-
- General Practice Physician
- Marianna, FL
- NPI 1407801194
-
- Family Medicine Physician
- Wetumpka, AL
- NPI 1578195525
-
- Rural Health Clinic/Center
- Tallassee, AL
- NPI 1558868323
-
- Diagnostic Radiology Physician
- Lubbock, TX
- NPI 1629805221
-
- Radiology Clinic/Center
- Bay City, TX
- NPI 1477134476
-
- Family Medicine Physician
- Clanton, AL
- NPI 1366857674
Hospital & facility affiliations 20
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Webster, TX
- NPI 1063466035
-
- General Acute Care Hospital
- Humble, TX
- NPI 1295843787
-
- General Acute Care Hospital
- Houston, TX
- NPI 1730132234
-
- General Acute Care Hospital
- Mechanicsville, VA
- NPI 1912969064
-
- Obstetrics & Gynecology Physician
- Midlothian, VA
- NPI 1003849381
Hospital
-
- General Acute Care Hospital
- Midlothian, VA
- NPI 1447212592
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1366070400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765756800000",
"number": "1982047346",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2123 WOODHEAD ST",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770196818",
"telephone_number": "512-431-9364"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6720 BERTNER AVE STE 2270",
"city": "HOUSTON",
"state": "TX",
"postal_code": "770302604",
"telephone_number": "713-861-7164"
}
],
"practiceLocations": [
{
"address_1": "4250 Hospital Dr",
"address_purpose": "LOCATION",
"city": "Marianna",
"state": "FL",
"postal_code": "324461917",
"country_code": "US",
"telephone_number": "850-526-2200",
"fax_number": "850-718-2844",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "PO Box 4346",
"address_purpose": "LOCATION",
"city": "Houston",
"state": "TX",
"postal_code": "772104346",
"country_code": "US",
"telephone_number": "713-861-7164",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SIMMONS",
"first_name": "GARRETT",
"middle_name": "L",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-04-16",
"last_updated": "2025-12-15",
"certification_date": "2025-12-15",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "TX",
"license": "S1275",
"primary": true
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "FL",
"license": "ME173275",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Houston, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2025; 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.