DR. ROBERT PRIETO M.D.
NPI 1942294608
Internal Medicine - Hematology & Oncology in El Paso, TX

Q: What is Robert Prieto's NPI number?

The NPI number for Robert Prieto is 1942294608. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Q: What is Robert Prieto's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Robert Prieto was last updated on June 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since September 08, 2005PECOS EnrolledAccepts Medicare Assignment

2000B TRANS MOUNTAIN RD STE B400, EL PASO, TX 79911(159) 215-8400(915) 612-9251 Get Directions Write a Review

NPPES record last updated: June 19, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 19, 2019, Dec 5, 2018 (2 updates tracked since 2018).

On this page

About Dr. Robert Prieto M.d. NPPES

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

DR. ROBERT PRIETO M.D. (NPI 1942294608) is an individual hematology & oncology provider in El Paso, Texas, licensed in Texas (M4453) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with University Medical Center Of El Paso, and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1993).

NPPES Registry Identity

NPI1942294608

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. ROBERT PRIETOCredential: M.D.

Location Address2000B TRANS MOUNTAIN RD STE B400El Paso, TX 79911-3600

Mailing Address3605 Executive DrSan Angelo, TX 76904-6884 · (325) 949-9555

Phone(159) 215-8400

Fax(915) 612-9251

Sole ProprietorNo

Medical School CMSUniformed Services Uhs Fe Hebert School Of MedGraduated 1993

Enumeration DateSeptember 8, 2005

Last NPPES UpdateJune 19, 20192 updates tracked since enumeration

✔ NPI 1942294608 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in TX · M4453

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

2000B TRANS MOUNTAIN RD STE B400, El Paso, TX 79911

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Other Identifiers 3

Other8AM432Blue Cross

Medicaid183927602TX

Medicaid183927601TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Dr. Robert Prieto M.d. 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 ID9739188608

PECOS Enrollment IDI20061204000617

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

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

Texas Tech University Health Sciences Center

1.7 mi

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

NPI 1083167134 (915) 215-5626

Texas Oncology PA

15 mi

Medical Oncology

7848 GATEWAY BLVD E
El Paso, TX 79915

Reassigned Medicare billing, Texas enrollment
1,054 clinicians in this Medicare group

NPI 1811944101 (972) 997-8000

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 8

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 moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

88 services38 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

33 services15 patients

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.

33 services26 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

32 services13 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

31 services26 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

22 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Sierra Medical Center

Acute Care Hospitals · El Paso, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450668

Location1625 Medical Center DrEl Paso, TX 79902 · El Paso County

Emergency services

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

$166.88 typical visit price

range $54.84 – $166.88

Typical copayment $41.72 (range $13.71 – $41.72)

Most-billed visit code 99205

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.

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 Robert Prieto's NPI number?

The NPI number for Robert Prieto is 1942294608. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Where is Robert Prieto located?

Robert Prieto practices at 2000B Trans Mountain Rd Ste B400, El Paso, TX 79911. The listed phone number is (159) 215-8400.

What is Robert Prieto's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Robert Prieto enrolled in Medicare?

Yes. Robert Prieto 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 Robert Prieto's services?

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

What insurance does Robert Prieto accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 8 other insurers list Robert Prieto 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 Robert Prieto affiliated with any hospitals?

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

When was this NPI record last updated?

The NPPES record for Robert Prieto was last updated on June 19, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.