Doctor profile · Federal record

Dr. Thomas Altstadt, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Louisville, KY

  • NPI 1831366392
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
220 Abraham Flexner Way Ste 1200
Louisville, KY 402023826
(502) 899-3623
Additional location
2900 State St
Medford, OR 975048475
(541) 779-1672
fax (541) 618-9434
Mailing address
Po Box 909
Louisville, KY 402010909

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Kentucky #45502 · Oregon #MD28177
Medicaid
KY #7100224580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831366392. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
542
Distinct HCPCS
10
Medicare allowed
$149,128
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 212 146 $83
99203 New patient office or other outpatient visit, 30-44 minutes 91 91 $105
22614 Fusion of additional segment of spine 54 19 $371
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 47 25 $245
61783 Computer-assisted spinal procedure 34 34 $220
22842 Placement of stabilizing device to back, 3-6 spine bone segments 17 17 $724
22840 Placement of stabilizing device to back of 1 spine bone in neck 14 14 $718
99212 Established patient office or other outpatient visit, 10-19 minutes 14 14 $45
22633 Fusion of spine in lower back with partial removal of spine bone and disc 13 13 $1,715
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 12 12 $1,547

In context: peer comparison

Among 19 peers in this city , average services per provider: 48. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,279
Transactions
9
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Globus Medical, Inc. 3 $1,885.64
Medical Device Business Services, Inc. 1 $980.00
DePuy Synthes Sales Inc. 3 $194.77
Amgen Inc. 1 $126.54
Alphatec Spine, Inc 1 $92.24

By nature of payment

Royalty or License
$1,886
Consulting Fee
$980
Food and Beverage
$414

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
218
Patients
90
Total drug cost
$2,994
Drug Type Claims Patients Total cost
Meloxicam Generic 77 29 $389
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 45 26 $809
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 34 19 $1,240
Cyclobenzaprine Hcl Generic 29 16 $223
Gabapentin Generic 20 0 $325
Diazepam Generic 13 0 $8

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Altstadt's medical specialty?
Dr. Thomas Altstadt practices Neurological Surgery Physician in Louisville, KY.
Where does Dr. Thomas Altstadt practice?
Dr. Thomas Altstadt practices at 220 Abraham Flexner Way Ste 1200, Louisville, KY 402023826. Office phone: 5028993623.
What is Dr. Thomas Altstadt's NPI?
Dr. Thomas Altstadt's National Provider Identifier (NPI) is 1831366392, issued by NPPES.
Does Dr. Thomas Altstadt accept Medicare assignment?
Yes. Dr. Thomas Altstadt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Altstadt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Fusion of additional segment of spine (HCPCS 22614). Source: CMS Medicare Physician & Other Practitioners file.