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Urology

Mark A. Nielsen, MD

Works at hospitals in Dayton, OH · Albuquerque, NM · Wichita Falls, TX · Ohio, New Mexico, Texas

Summary

Mark A. Nielsen, MD (Urology) is listed by Medicare at 3 hospitals in Dayton, OH, Albuquerque, NM and Wichita Falls, TX. NPI 1790873164. 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 Mark A. Nielsen, 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

UrologyPrimary specialty
YesAccepts Medicare assignment
46Years since medical school (graduated 1980)
University Of Texas Southwestern Medical School At DallasMedical school
MaleGender (as listed)
Presbyterian Healthcare ServicesGroup practice (+1 more)

Quick answers

Which hospitals does Mark A. Nielsen work at?
Medicare's official clinician data lists Mark A. Nielsen at 3 hospitals: Kettering Health Dayton, Presbyterian Hospital and United Regional Health Care System. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mark A. Nielsen see patients?
Medicare's clinician data lists 2 practice locations, including Albuquerque, NM and Miamisburg, OH. Call before your visit to confirm the address.
What is Mark A. Nielsen's specialty?
Medicare lists Urology as the primary specialty.
Does Mark A. Nielsen accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Nielsen 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.
What is the phone number for Mark A. Nielsen?
(505) 563-6000, as listed in official Medicare / NPI Registry data.
What is Mark A. Nielsen's NPI number?
1790873164. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mark A. Nielsen works

Medicare's Facility Affiliation Data lists Mark A. Nielsen 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 Mark A. Nielsen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mark A. Nielsen as a member of these groups (CMS data updated 2026-10-02).

  • Presbyterian Healthcare Services1,395 clinicians in the group
  • Kettering Independent Medical Group Inc710 clinicians in the group

Specialties

Find other Urology doctors in New Mexico →

Other urologists in Albuquerque

Clinicians with the same Medicare primary specialty in Albuquerque, NM — not a recommendation.

All urologists in Albuquerque →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year1980
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790873164
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