Dr. Mark William Sheldon, MD

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

• Unm Hospital Hospital · Albuquerque, NM

Colleagues at Unm Medical Group Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1060 clinicians in the practice; 12 are shown here.

• Sean Buehler, MD Emergency Medicine Physician · Albuquerque, NM
• Dr. Richard Travis Clark, MD Diagnostic Radiology Physician · Albuquerque, NM
• Matthew Fero Hematology & Oncology Physician · Albuquerque, NM
• Naomi R George, MD Emergency Medicine Physician · Providence, RI
• Benny Liem Radiation Oncology Physician · Albuquerque, NM
• Christopher A McGrew, MD Family Medicine Physician · Albuquerque, NM
• Mr. Patrick Sean Meier, AA Anesthesiologist Assistant · Albuquerque, NM
• George Nurnberg, MD Psychiatry Physician · Albuquerque, NM
• Liat Shama, MD Otolaryngology Physician · Albuquerque, NM
• Dr. Peter C. Shin, MD Neurological Surgery Physician · Albuquerque, NM
• Nestor Rodolfo Sosa, MD Infectious Disease Physician · Albuquerque, NM
• Katherine Wegman Student in an Organized Health Care Education/Training Program · Fort Defiance, AZ

Other providers in Albuquerque

• Jane Ellen Schauer, MD

  Individual Cardiovascular Disease Physician · NPI 1619061009

  201 Cedar St SE Ste 7600 Presbyterian Heart Group (phg), Albuquerque, NM 87106-4921 · (505) 563-2500

• Oleksandr Schevchuck, MD

  Individual Cardiovascular Disease Physician · NPI 1992978043

  1 University Of New Mexico, Albuquerque, NM 87131-0001 · (505) 272-6225

• Lori Serkland, MD

  Individual Cardiovascular Disease Physician · NPI 1962417428

  5TH Ambulatory Care Ctr 2211 Lomas Blvd NE, Albuquerque, NM 87131-0001 · (505) 272-4253

• Neal Shadoff, MD

  Individual Cardiovascular Disease Physician · NPI 1679602627

  201 Cedar St SE Ste 7600 Presbyterian Heart Group (phg), Albuquerque, NM 87106-4921 · (505) 563-2500

• Virginia Sigler, CNP

  Individual Cardiovascular Disease Physician · NPI 1326061698

  5400 Gibson Blvd SE, Albuquerque, NM 87108 · (505) 262-7000

• Dr. Karen S Sopko, MD

  Individual Cardiovascular Disease Physician · NPI 1063551075

  502 Elm St NE, Albuquerque, NM 87102-2512 · (505) 841-1000

• Harold B Sunderman, MD

  Individual Cardiovascular Disease Physician · NPI 1831238856

  Presbyterian Heart Group (phg) 201 Cedar SE Ste 7600, Albuquerque, NM 87106 · (505) 563-2500

• Robert Allen Taylor, MD

  Individual Cardiovascular Disease Physician · NPI 1750397360

  2901 Transport St SE, Albuquerque, NM 87106 · (505) 262-7451