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SAMANTHA ADKINSON MAYFIELD FNP-C
NPI 1366220725
Nurse Practitioner in Rockport, TX

Active since September 18, 2023PECOS Enrolled
1121 HIGHWAY 35 N, ROCKPORT, TX 78382(361) 221-1945(361) 400-5319 Get Directions Write a Review

NPPES record last updated: January 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 9, 2025, Feb 5, 2024 (2 updates tracked since 2024).

About Samantha Adkinson Mayfield Fnp-c NPPES

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

SAMANTHA ADKINSON MAYFIELD FNP-C (NPI 1366220725) is an individual nurse practitioner in Rockport, Texas, licensed in Texas (1136618) and active in the NPI registry since September 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366220725
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameSAMANTHA ADKINSON MAYFIELDCredential: FNP-C
Location Address1121 HIGHWAY 35 NRockport, TX 78382-3112
Mailing AddressPo Box 1209Aransas Pass, TX 78335-1209 · (361) 221-1945 · Fax (361) 400-5319
Phone(361) 221-1945
Fax(361) 400-5319
Sole ProprietorNo
Enumeration DateSeptember 18, 2023
Last NPPES UpdateJanuary 9, 20252 updates tracked since enumeration
NPPES CertifiedDecember 17, 2024
✔ NPI 1366220725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in TX · 1136618
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
1121 HIGHWAY 35 N, Rockport, TX 78382
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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.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Samantha Adkinson Mayfield Fnp-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Samantha Mayfield reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aransas Internal & Family Medicine PLLC
Same address
Internal Medicine
1121 HIGHWAY 35 N
Rockport, TX 78382
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1235978602 (361) 729-5388
Internal Medicine Associates
11 mi
Internal Medicine
1711 W WHEELER AVE, SUITE 3
Aransas Pass, TX 78336
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1578698320 (361) 758-1599

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78382 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.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMM, INC
Clinic/Center (Dental)
1121 HIGHWAY 35 N
ROCKPORT, TX 78382
Aransas County (361) 729-7511
CARE PHYSICIAN GROUP
Clinic/Center (Multi-Specialty)
1121 HIGHWAY 35 N
ROCKPORT, TX 78382
Aransas County (361) 226-3436
ARANSAS INTERNAL & FAMILY MEDICINE PLLC
Internal Medicine
1121 HIGHWAY 35 N
ROCKPORT, TX 78382
Aransas County (361) 729-5388
ARANSAS SPINE CARE, PLLC
Specialist
1121 HIGHWAY 35 N
ROCKPORT, TX 78382
Aransas County (361) 332-4312
KATHARINE MCNAMARA D.O.
Family Medicine
1121 HIGHWAY 35 N
ROCKPORT, TX 78382
Aransas County (361) 524-2004
CARE PHYSICIAN GROUP MANAGEMENT
Clinic/Center (Multi-Specialty)
1121 HIGHWAY 35 N
ROCKPORT, TX 78382
Aransas County (361) 226-3436
INTERNAL MEDICINE ASSOCIATES
Internal Medicine
1121 HIGHWAY 35 N
ROCKPORT, TX 78382
Aransas County (361) 729-5388
RANDALL RAY SAMBERSON M.D.
Surgery
1121 HIGHWAY 35 N
ROCKPORT, TX 78382
Aransas County (361) 524-2004

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 Samantha Mayfield's NPI number?

The NPI number for Samantha Mayfield is 1366220725. It was assigned to this individual provider in the NPPES registry on September 18, 2023.

Where is Samantha Mayfield located?

Samantha Mayfield practices at 1121 Highway 35 N, Rockport, TX 78382. The listed phone number is (361) 221-1945.

What is Samantha Mayfield's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Samantha Mayfield enrolled in Medicare?

Yes. Samantha Mayfield is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Samantha Mayfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Mayfield reassigns Medicare benefits to 2 organizations: Aransas Internal & Family Medicine PLLC (Rockport, TX) and Internal Medicine Associates (Aransas Pass, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samantha Mayfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samantha Mayfield accept?

Health plans from Blue Cross and Blue Shield of Texas and CHRISTUS Health Plan list Samantha Mayfield 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.

When was this NPI record last updated?

The NPPES record for Samantha Mayfield was last updated on January 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.