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AMBRIA WILLIAMS FNP
NPI 1417458340
Nurse Practitioner - Family in Corpus Christi, TX

Active since February 26, 2018PECOS EnrolledAccepts Medicare Assignment
5802 SARATOGA BLVD STE 20, CORPUS CHRISTI, TX 78414(361) 696-6200 Get Directions Write a Review

NPPES record last updated: May 28, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 28, 2025, May 9, 2025, Sep 16, 2022 and 2 more (5 updates tracked since 2018).

About Ambria Williams Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AMBRIA WILLIAMS FNP (NPI 1417458340) is an individual family provider in Corpus Christi, Texas, licensed in Texas (1059857) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, is affiliated with Christus Spohn Hospital Corpus Christi, and maintains a secondary practice location in Corpus Christi.

NPPES Registry Identity

NPI1417458340
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameAMBRIA WILLIAMSCredential: FNP
Location Address5802 SARATOGA BLVD STE 20Corpus Christi, TX 78414-4252
Mailing Address5802 Saratoga Blvd Ste 200Corpus Christi, TX 78414-4252
Phone(361) 696-6200
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateFebruary 26, 2018
Last NPPES UpdateMay 28, 20255 updates tracked since enumeration
NPPES CertifiedMay 28, 2025
✔ NPI 1417458340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 1059857
Also ListedRegistered NurseTaxonomy 163W00000X · License 849639 (TX)
Also ListedNurse PractitionerTaxonomy 363L00000X · License 1059857 (TX)
5802 SARATOGA BLVD STE 20, Corpus Christi, TX 78414
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Secondary Practice Location 1

Location 14617 Greenwood DrCorpus Christi, TX 78416-1742 · Phone (361) 857-2872

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ambria Williams Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375921299
PECOS Enrollment IDI20220606002460
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
216 services98 patients
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349
An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.
214 services90 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
76 services55 patients
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 G0179
This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.
67 services39 patients
Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 99305
An initial nursing facility visit per day is a service where a healthcare professional spends about 35 minutes assessing a patient's health status. This includes reviewing medical history, conducting a physical exam, and developing a care plan based on the patient's needs.
52 services51 patients
Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348
An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.
51 services24 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Spohn Hospital Corpus Christi

Acute Care Hospitals · Corpus Christi, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450046
Location600 Elizabeth StreetCorpus Christi, TX 78404 · Nueces County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78414 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196
DME-Medical/Surgical Supplies · category DA023N
1 supplier11 claims522 services$7.13 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ambria Williams's NPI number?

The NPI number for Ambria Williams is 1417458340. It was assigned to this individual provider in the NPPES registry on February 26, 2018.

Where is Ambria Williams located?

Ambria Williams practices at 5802 Saratoga Blvd Ste 20, Corpus Christi, TX 78414. The listed phone number is (361) 696-6200.

What is Ambria Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Ambria Williams enrolled in Medicare?

Yes. Ambria Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ambria Williams accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and UnitedHealthcare list Ambria Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Ambria Williams affiliated with any hospitals?

According to CMS data, Ambria Williams is affiliated with Christus Spohn Hospital Corpus Christi.

When was this NPI record last updated?

The NPPES record for Ambria Williams was last updated on May 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.