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MARIA ISELA DARDEN FNP-BC
NPI 1750031738
Nurse Practitioner - Family in Del Rio, TX

Active since March 24, 2022PECOS Enrolled
2201 N BEDELL AVE STE A, DEL RIO, TX 78840(830) 775-8700(830) 775-8711 Get Directions Write a Review

NPPES record last updated: March 24, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Maria Isela Darden Fnp-bc NPPES

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

MARIA ISELA DARDEN FNP-BC (NPI 1750031738) is an individual family provider in Del Rio, Texas, licensed in Texas (1073421) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750031738
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARIA ISELA DARDENCredential: FNP-BC
Location Address2201 N BEDELL AVE STE ADel Rio, TX 78840-8021
Mailing Address2201 N Bedell Ave Ste ADel Rio, TX 78840-8021 · (830) 775-8700
Phone(830) 775-8700
Fax(830) 775-8711
Sole ProprietorYes
Enumeration DateMarch 24, 2022
NPPES CertifiedMarch 24, 2022
✔ NPI 1750031738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in TX · 1073421
2201 N BEDELL AVE STE A, Del Rio, TX 78840
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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, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Isela Darden Fnp-bc 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 Maria Darden reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cadena Family Practice
Same address
Family Medicine
2201 N BEDELL AVE, SUITE A
Del Rio, TX 78840
  • Reassigned Medicare billing, Texas enrollment
  • 9 clinicians in this Medicare group
NPI 1649437559 (830) 775-8700
Wholistic Wound Care & Wellness PLLC
137 mi
Family
28715 HOWARDS BULL
Fair Oaks Ranch, TX 78015
  • Reassigned Medicare billing, Texas enrollment
  • 12 clinicians in this Medicare group
NPI 1851917637 (210) 279-9579

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 78840 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 5

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

CLOVER C JOHNSON
Nurse Practitioner (Family)
2201 N BEDELL AVE STE A
DEL RIO, TX 78840
Val Verde County (830) 775-8700
VERONICA CADENA MD
Family Medicine
2201 N BEDELL AVE STE A
DEL RIO, TX 78840
Val Verde County (830) 775-8700
CHELSEA ARIZPE
Nurse Practitioner (Family)
2201 N BEDELL AVE STE A
DEL RIO, TX 78840
Val Verde County (830) 775-8700
MRS. ASHLEY DAWN MAROSKO PA-C
Physician Assistant
2201 N BEDELL AVE STE A
DEL RIO, TX 78840
Val Verde County (830) 775-8700
ANTONIO CADENA MD
Family Medicine
2201 N BEDELL AVE STE A
DEL RIO, TX 78840
Val Verde County (830) 775-8700

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 Maria Darden's NPI number?

The NPI number for Maria Darden is 1750031738. It was assigned to this individual provider in the NPPES registry on March 24, 2022.

Where is Maria Darden located?

Maria Darden practices at 2201 N Bedell Ave Ste A, Del Rio, TX 78840. The listed phone number is (830) 775-8700.

What is Maria Darden's specialty?

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

Is Maria Darden enrolled in Medicare?

Yes. Maria Darden is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Darden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Darden reassigns Medicare benefits to 2 organizations: Cadena Family Practice (Del Rio, TX) and Wholistic Wound Care & Wellness PLLC (Fair Oaks Ranch, 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 Maria Darden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Darden accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Maria Darden 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 Maria Darden was last updated on March 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.