Robert Prieto, M.D.
Hematology & Oncology Physician · El Paso, TX
Robert Prieto, M.D. is a hematology & oncology physician with a practice address in El Paso, Texas, and NPI 1942294608, issued on Sep 8, 2005. Check the license (Texas M4453, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert Prieto
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- M4453 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2000B Trans Mountain RD Ste B400, El Paso, TX 79911
- Phone
- (159) 215-8400
- Enumerated
- Sep 8, 2005
- Record last updated
- Jun 19, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (915) 612-9251
- Medicaid IDs
- 183927602 TX
183927601 TX - Medicare enrollment
- Enrolled (PECOS I20061204000617); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
Also registered at 2000B Trans Mountain RD Ste B400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Zate, MDPediatrics Physician1518006964
Verify Robert Prieto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M4453Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
554 Medicare Part D claims for 101 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 43 claims were for opioids.
Most prescribed
- Letrozole99 claims
- Xtandi33 claims
- Prochlorperazine Maleate30 claims
- Verzenio27 claims
- Anastrozole25 claims
- Tramadol Hcl24 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $921.49
13 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Texas Oncology PAEl Paso, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Prieto among 922 hematology & oncology physician records in Texas
Robert Prieto, M.D. is one of 922 hematology & oncology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1993 · median 2004 among the 691 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
All 922 in Texas → Every provider in El Paso → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Obiageli Ezewuiro, MDEl Paso, TX 799151518128149
- Nanda Gopalan, MDEl Paso, TX 799151215975321
- Juan Herrada, M.D.El Paso, TX 799151215934674
- Haroutioun Shahinian, M.D.El Paso, TX 799151639184005
- Panagiotis Valilis, M.D.El Paso, TX 799151033158480
- Evangelia Valilis, MD, MPHEl Paso, TX 799151508357542
- Andrew Durkee, DOFort Bliss, TX 799061215458492
- Lindsey Graham, M.D.Fort Bliss, TX 799061124265921
Common questions
What is Robert Prieto, M.D.'s NPI number?
Robert Prieto, M.D.'s National Provider Identifier (NPI) is 1942294608, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Prieto, M.D. located?
The NPPES record lists a practice address at 2000B Trans Mountain RD Ste B400, El Paso, TX, 79911. Phone: (159) 215-8400. Providers update this record themselves, so call before visiting.
How can I verify Robert Prieto, M.D.'s license?
NPPES lists Texas license number M4453, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Prieto, M.D. prescribe under Medicare Part D?
In 2024, Robert Prieto, M.D. had 554 Medicare Part D claims for 101 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.