Doctor profile · Federal record

Dr. Ambria Williams, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Nurse Practitioner · Corpus Christi, TX

  • NPI 1417458340
  • Accepts Medicare
  • 5 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5802 Saratoga Blvd Ste 20
Corpus Christi, TX 784144252
(361) 696-6200
Additional location
4617 Greenwood Dr
Corpus Christi, TX 784161742
(361) 857-2872
Mailing address
5802 Saratoga Blvd Ste 200
Corpus Christi, TX 784144252

Credentials & registration

NPPES · NUCC
NPI registered
February 2018 — 8 yrs on file
Profile last updated
May 28, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Texas #1059857 · Texas #849639

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417458340. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,102
Distinct HCPCS
10
Medicare allowed
$75,915
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 246 81 $87
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 245 97 $104
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 97 49 $87
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 56 32 $61
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 42 24 $62
G0179 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 a 42 28 $34
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 41 21 $61
36415 Insertion of needle into vein for collection of blood sample 40 28 $8
80053 Blood test, comprehensive group of blood chemicals 34 26 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 33 24 $8

In context: peer comparison

Among 87 peers in this city , average services per provider: 97. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,710
Patients
396
Total drug cost
$61,828
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 184 38 $2,542
Donepezil Hcl Generic 177 36 $2,081
Atorvastatin Calcium Generic 170 39 $2,050
Furosemide Generic 158 46 $757
Amlodipine Besylate Generic 139 27 $1,241
Losartan Potassium Generic 125 30 $1,581
Memantine Hcl Generic 104 24 $4,374
Gabapentin Generic 103 22 $1,539
Trazodone Hcl Generic 87 29 $801
Metoprolol Succinate Generic 83 20 $1,143

Frequently asked questions

Auto-generated from federal data
What is Dr. Ambria Williams's medical specialty?
Dr. Ambria Williams practices Family Nurse Practitioner in Corpus Christi, TX.
Where does Dr. Ambria Williams practice?
Dr. Ambria Williams practices at 5802 Saratoga Blvd Ste 20, Corpus Christi, TX 784144252. Office phone: 3616966200.
What is Dr. Ambria Williams's NPI?
Dr. Ambria Williams's National Provider Identifier (NPI) is 1417458340, issued by NPPES.
Does Dr. Ambria Williams accept Medicare assignment?
Yes. Dr. Ambria Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ambria Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.