Active NPI
Ashley Yvonne Williams, M.D
- Surgical Critical Care Physician
- Mobile, AL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgical Critical Care Physician
- License
- MD.35639
- Practice address
- 1601 Center St
Mobile, AL 36604-1541 - Phone
- (251) 660-5763
- Fax
- (251) 660-5752
- NPI assigned
- Mar 26, 2015
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Surgical Critical Care Physician | 2086S0102X | 96419 | NV | |
| Surgical Critical Care Physician | 2086S0102X | MD.35639 | AL | Primary |
Addresses
Primary practice location
1601 Center St
Mobile, AL 36604-1541
Mailing address
PO Box 746450
Atlanta, GA 30374-6450
Phone (251) 434-3626
Other practice location 1
1707 W Charleston Blvd Ste 160
Las Vegas, NV 89102-2354
Phone (702) 671-5150
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- University of South Carolina School of Medicine, 2015
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2451 University Hospital Dr
Mobile, AL 36617-2300
Phone (251) 471-7000
75 S University Blvd
Unit 6000
Mobile, AL 36608-3274
Phone (251) 660-5555
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 95.28 of 100
- Quality
- 85.81
- Promoting interoperability
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
| Removal of tissue | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| MD.35639 | AL | MD | Surgical Critical Care Physician |
| 96419 | NV | MD | Surgical Critical Care Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| USA Health Physician Billing Services LLC | Current | Accepting new patients | |
| USA Health Physician Billing Services LLC | Current | Accepting new patients | |
| USA Health Physician Billing Services LLC | Current | Accepting new patients | |
| University of South Alabama | Past | Accepting new patients | |
| University of South Alabama | Past | Accepting new patients |
Locations
575 Stanton Rd
Mobile, AL 36617
Phone (251) 471-7207
1601 Center St
Mobile, AL 36604
Phone (251) 410-5437
75 S University Blvd
Unit 6500
Mobile, AL 36608
Phone (251) 445-8282
75 S University Blvd
Unit 6000
Mobile, AL 36608
Phone (251) 660-5555
Organizations & group practices 5
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.
-
- Internal Medicine Physician
- Mobile, AL
- NPI 1720645468
-
dba USA OBGYN
- Obstetrics & Gynecology Physician
- Mobile, AL
- NPI 1013574722
-
dba USA Radiology
- Diagnostic Radiology Physician
- Mobile, AL
- NPI 1609434067
-
dba USA Health University Hospital
- General Acute Care Hospital
- Mobile, AL
- NPI 1063468072
-
dba USA Allied Health Professions
- Multi-Specialty Clinic/Center
- Mobile, AL
- NPI 1992013593
Hospital & facility affiliations 17
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba USA Health University Hospital
- General Acute Care Hospital
- Mobile, AL
- NPI 1063468072
-
dba USA Health Reference Lab Billing
- General Acute Care Hospital
- Mobile, AL
- NPI 1972138022
-
- General Acute Care Hospital
- Pascagoula, MS
- NPI 1124136593
-
- Urgent Care Clinic/Center
- North Las Vegas, NV
- NPI 1104538966
Hospital
-
- Urgent Care Clinic/Center
- Las Vegas, NV
- NPI 1376105478
Hospital
-
- Urgent Care Clinic/Center
- Las Vegas, NV
- NPI 1467014571
Hospital
-
- Urgent Care Clinic/Center
- Henderson, NV
- NPI 1538721642
Hospital
-
dba University Medical Center
- General Acute Care Hospital
- Las Vegas, NV
- NPI 1548393127
-
- Urgent Care Clinic/Center
- Las Vegas, NV
- NPI 1568024669
Hospital
-
- Urgent Care Clinic/Center
- Las Vegas, NV
- NPI 1649832759
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1427328000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776988800000",
"number": "1740674720",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 746450",
"city": "ATLANTA",
"state": "GA",
"postal_code": "303746450",
"telephone_number": "251-434-3626",
"fax_number": "251-445-2464"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1601 CENTER ST",
"city": "MOBILE",
"state": "AL",
"postal_code": "366041541",
"telephone_number": "251-660-5763",
"fax_number": "251-660-5752"
}
],
"practiceLocations": [
{
"address_1": "1707 W Charleston Blvd Ste 160",
"address_purpose": "LOCATION",
"city": "Las Vegas",
"state": "NV",
"postal_code": "891022354",
"country_code": "US",
"telephone_number": "702-671-5150",
"fax_number": "702-384-6493",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WILLIAMS",
"first_name": "ASHLEY",
"middle_name": "YVONNE",
"name_prefix": "Mrs.",
"credential": "M.D",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2015-03-26",
"last_updated": "2026-04-24",
"certification_date": "2026-04-24",
"status": "A"
},
"taxonomies": [
{
"code": "2086S0102X",
"taxonomy_group": "",
"desc": "Surgery, Surgical Critical Care",
"state": "NV",
"license": "96419",
"primary": false
},
{
"code": "2086S0102X",
"taxonomy_group": "",
"desc": "Surgery, Surgical Critical Care",
"state": "AL",
"license": "MD.35639",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Mobile, AL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 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.