ELLEN MAMIE WICKER DO
NPI 1821452350
Colon & Rectal Surgery in El Paso, TX

Active since April 11, 2016PECOS EnrolledAccepts Medicare Assignment
2000 TRANSMOUNTAIN RD STE B, EL PASO, TX 79911(915) 215-8400(915) 215-8674 Get Directions Write a Review

NPPES record last updated: September 22, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 5, 2022, Jul 11, 2022 (2 updates tracked since 2022).

About Ellen Mamie Wicker Do NPPES

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

ELLEN MAMIE WICKER DO (NPI 1821452350) is an individual colon & rectal surgery provider in El Paso, Texas, licensed in Texas (T6079) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with University Medical Center Of El Paso, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1821452350
Entity TypeIndividualFemale
Primary Taxonomy208C00000X
Provider Legal NameELLEN MAMIE WICKERCredential: DO
Location Address2000 TRANSMOUNTAIN RD STE BEl Paso, TX 79911-3602
Mailing Address440 Raynolds St # 51015El Paso, TX 79905-1613 · (915) 215-4480 · Fax (915) 215-5386
Fax(915) 215-8674
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 11, 2016
Last NPPES UpdateSeptember 22, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 20, 2023
✔ NPI 1821452350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyColon & Rectal SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208C00000X
License✔ Licensed in TX · T6079
Definition
A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.
Also ListedSurgeryTaxonomy 208600000X · License T6079 (TX)
2000 TRANSMOUNTAIN RD STE B, El Paso, TX 79911

Secondary Practice Locations 3

Location 16560 Fannin St Ste 1404Houston, TX 77030-2706 · Phone (713) 790-0600
Location 24800 Alberta AveEl Paso, TX 79905-2709 · Phone (915) 215-8000
Location 34801 Alberta AveEl Paso, TX 79905-2707 · Phone (915) 215-5300 · Fax (915) 215-8606

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ellen Mamie Wicker Do 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 ID6002297918
PECOS Enrollment IDI20220722001280
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 Ellen Wicker reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
2000 B TRANSMOUNTAIN ROAD
El Paso, TX 79911
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Tech University Health Sciences Center El Paso
  • 856 clinicians in this Medicare group
Allergy & Immunology
1211 FISH HATCHERY RD
Madison, WI 53715
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,377 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
16 services12 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

University Medical Center Of El Paso

Acute Care Hospitals · El Paso, TX
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450024
Location4815 Alameda AveEl Paso, TX 79905 · El Paso County
Emergency services Birthing friendly

The Hospitals Of Providence Transmountain Campus

Acute Care Hospitals · El Paso, TX
1/5 CMS rating
OwnershipProprietary
CMS Certification Number670120
Location2000 Transmountain RdEl Paso, TX 79911 · El Paso County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 79911 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
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
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 20

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

Student in an Organized Health Care Education/Training Program
2000 TRANSMOUNTAIN RD STE B
EL PASO, TX 79911
Surgery (Surgical Oncology)
2000 TRANSMOUNTAIN RD STE B
EL PASO, TX 79911
Family Medicine
2000 TRANSMOUNTAIN RD STE B
EL PASO, TX 79911
Internal Medicine
2000 TRANSMOUNTAIN RD STE B
EL PASO, TX 79911
Family Medicine
2000 TRANSMOUNTAIN RD STE B
EL PASO, TX 79911
Internal Medicine
2000 TRANSMOUNTAIN RD STE B
EL PASO, TX 79911
Social Worker (Clinical)
2000 TRANSMOUNTAIN RD STE B
EL PASO, TX 79911
Student in an Organized Health Care Education/Training Program
2000 TRANSMOUNTAIN RD STE B
EL PASO, TX 79911

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 Ellen Wicker's NPI number?

The NPI number for Ellen Wicker is 1821452350. It was assigned to this individual provider in the NPPES registry on April 11, 2016.

Where is Ellen Wicker located?

Ellen Wicker practices at 2000 Transmountain Rd Ste B, El Paso, TX 79911. The listed phone number is (915) 215-8400.

What is Ellen Wicker's specialty?

The primary specialty registered for this NPI is Colon & Rectal Surgery with taxonomy code 208C00000X.

Is Ellen Wicker enrolled in Medicare?

Yes. Ellen Wicker 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.

Which organizations bill Medicare for Ellen Wicker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ellen Wicker reassigns Medicare benefits to 2 organizations: Texas Tech University Health Sciences Center (El Paso, TX) and Dean Health Systems, Inc (Madison, WI). 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 Ellen Wicker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ellen Wicker accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, UnitedHealthcare and WellPoint list Ellen Wicker 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 Ellen Wicker affiliated with any hospitals?

According to CMS data, Ellen Wicker is affiliated with University Medical Center Of El Paso and The Hospitals Of Providence Transmountain Campus.

When was this NPI record last updated?

The NPPES record for Ellen Wicker was last updated on September 22, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.