Doctor profile · Federal record

Dr. Nathaniel Todnem, MD

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

  • NPI 1144584004
  • Accepts Medicare
  • MIPS 94.8 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
3900 Kresge Way Ste 51
Louisville, KY 402074683
(502) 259-5955
Additional location
1120 15Th St
Augusta, GA 309120004
(706) 721-3071
Additional location
4500 San Pablo RD S
Jacksonville, FL 32224
(904) 953-2000
Mailing address
4500 San Pablo RD S
Jacksonville, FL 322241865

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
December 4, 2020
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Florida #ME139412 · Georgia #005509

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144584004. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
438
Distinct HCPCS
10
Medicare allowed
$64,146
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 200 148 $119
99204 New patient office or other outpatient visit, 45-59 minutes 52 52 $158
99213 Established patient office or other outpatient visit, 20-29 minutes 35 34 $84
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 30 27 $48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 24 $125
36227 Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist 16 16 $142
99212 Established patient office or other outpatient visit, 10-19 minutes 16 15 $53
36224 Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 15 15 $384
36226 Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 13 13 $241
61645 Removal of blood clot and injection to dissolve blood clot from head artery using fluoroscopic guidance 13 13 $806

In context: peer comparison

Among 19 peers in Louisville Neurological Surgery Physician, average services per provider: 48. This provider delivers 9.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$506
Transactions
23
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, INC. 5 $115.34
Eisai INC. 3 $63.88
Catalyst Pharmaceuticals, INC. 2 $51.19
Neurelis, INC. 2 $47.98
Abbvie INC. 1 $31.61
Takeda Pharmaceuticals U.S.A., INC. 1 $29.03
Octapharma USA, INC. 1 $23.83
Csl Behring 1 $21.61
Emd Serono, INC. 1 $21.04
Ucb, INC. 1 $19.90
Lundbeck LLC 1 $18.64
Imperative Care, INC 1 $16.51
Banner Life Sciences, LLC 1 $15.64
Novartis Pharmaceuticals Corporation 1 $15.40
Tg Therapeutics, INC. 1 $14.11

By nature of payment

Food and Beverage
$506

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
60
Patients
15
Total drug cost
$504
Drug Type Claims Patients Total cost
Gabapentin Generic 33 15 $199
Clopidogrel (Clopidogrel Bisulfate) Brand 27 0 $305

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathaniel Todnem's medical specialty?
Dr. Nathaniel Todnem practices Neurological Surgery Physician in Louisville, KY.
Where does Dr. Nathaniel Todnem practice?
Dr. Nathaniel Todnem practices at 3900 Kresge Way Ste 51, Louisville, KY 402074683. Office phone: 5022595955.
What is Dr. Nathaniel Todnem's NPI?
Dr. Nathaniel Todnem's National Provider Identifier (NPI) is 1144584004, issued by NPPES.
Does Dr. Nathaniel Todnem accept Medicare assignment?
Yes. Dr. Nathaniel Todnem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Todnem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.