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Medical Oncology

Hans J. Hammers, MD

Works at hospitals in Dallas, TX · Texas

Summary

Hans J. Hammers, MD (Medical Oncology) is listed by Medicare at 1 hospital in Dallas, TX. NPI 1851437909. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Hans J. Hammers, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Medical OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
27Years since medical school (graduated 1999)
MaleGender (as listed)
University of Texas Southwestern Medical Center at DallasGroup practice

Quick answers

Which hospitals does Hans J. Hammers work at?
Medicare's official clinician data lists Hans J. Hammers at 1 hospital: UT of Texas Southwestern University Hospital - William P. Clements Jr.. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Hans J. Hammers see patients?
Medicare's clinician data lists 9 practice locations, including Dallas, TX and Denton, TX. Call before your visit to confirm the address.
What is Hans J. Hammers's specialty?
Medicare lists Medical Oncology as the primary specialty, and also Internal Medicine.
Does Hans J. Hammers accept Medicare assignment?
Yes. Medicare's clinician data says Hans J. Hammers accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Hans J. Hammers offer telehealth?
Medicare's clinician data says Hans J. Hammers offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Hans J. Hammers?
(214) 645-9729, as listed in official Medicare / NPI Registry data.
What is Hans J. Hammers's NPI number?
1851437909. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Hans J. Hammers works

Medicare's Facility Affiliation Data lists Hans J. Hammers at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Hans J. Hammers is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.

Group practices

Medicare enrollment lists Hans J. Hammers as a member of this group (CMS data updated 2026-10-02).

  • University of Texas Southwestern Medical Center at Dallas3,187 clinicians in the group

Specialties

Find other Medical Oncology doctors in Texas →

Other oncologists in Dallas

Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.

All oncologists in Dallas →

Clinician information

CredentialMD
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1851437909
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians