Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Thomas Joseph Altstadt, MD

Individual provider Neurological Surgery Physician · NPI 1831366392

Dr. Thomas Joseph Altstadt, MD practises Neurosurgery in Louisville, Kentucky. Graduated from Indiana University School of Medicine in 2001, 25 years ago. Practices with University of Louisville Physicians Inc, a 1,433-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Kentucky and Oregon.

Years since qualifying
25
Trained at
Indiana University School of Medicine
Licensed in
KY, OR
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

220 Abraham Flexner Way Ste 1200
Louisville, KY 40202-3826
Phone: (502) 899-3623
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2900 State St, Medford, OR 97504-8475 — (541) 779-1672
  • 2900 State St, Medford, OR 97504-8475 — (541) 779-1672

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence 45502 (KY)
Neurological Surgery Physician Taxonomy 207T00000X · Licence MD28177 (OR)

Record details

NPI number1831366392
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 14, 2008
Last updated in NPPESMarch 17, 2018

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEUROSURGERY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice University Of Louisville Physicians Inc — 1433 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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.

Spinal fusion 231 times · 92nd percentile
Laminectomy or laminotomy (partial removal of spine bones) 48 times · 76th percentile
Prostate resection 1–10 times

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.

Medicare patients218
Services billed 612 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

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.

Royalty or License $2,448 4 payments · paid for the use of something the clinician owns or invented, such as a patent; not a fee for care or for time
Food and Beverage $418 4 payments · a meal or drink at a meeting or visit, not a fee

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. Those with a page here are linked.

Colleagues at University of Louisville Physicians Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1433 clinicians in the practice; 12 are shown here.

Other providers in Louisville