Ambria Williams, FNP
NPI 1417458340 · Family Nurse Practitioner · Corpus Christi, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ambria Williams, FNP is a Family Nurse Practitioner provider in Corpus Christi, TX (NPI 1417458340).
Provider details
- NPI number
- 1417458340
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 849639 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
905 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 216 | $87 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 214 | $103 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 76 | $60 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 67 | $34 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 52 | $108 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 338 | 51 |
| Atorvastatin Calcium | 310 | 54 |
| Levothyroxine Sodium | 291 | 60 |
| Losartan Potassium | 270 | 49 |
| Amlodipine Besylate | 220 | 43 |
| Memantine Hcl | 215 | 39 |
| Furosemide | 177 | 51 |
Practice location
Mailing address
Additional practice locations (1)
- 4617 Greenwood DrCorpus Christi, TX 78416-1742Phone: (361) 857-2872
Registry dates
- Enumerated
- 2018-02-26
- Last updated
- 2025-05-28
- Certified
- 2025-05-28
Frequently asked questions
- What is Ambria Williams's NPI number?
- Ambria Williams's National Provider Identifier (NPI) is 1417458340, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ambria Williams's specialty?
- Ambria Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ambria Williams located?
- Ambria Williams's practice location on file with NPPES is 5802 Saratoga Blvd Ste 20, Corpus Christi, TX 78414-4252.
- What is Ambria Williams's phone number?
- The practice phone number listed in the NPPES registry for Ambria Williams is (361) 696-6200.
- Does Ambria Williams accept Medicare?
- Ambria Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ambria Williams's NPI active?
- Yes — Ambria Williams's NPI (1417458340) is active in the NPPES registry as of the last update on 2025-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.