Doctor profile · Federal record

Dr. Nathaniel Best, PA-C

Physician Assistant · Physician Assistant · Physician Assistant · Saint Charles, MO

  • NPI 1467928408
  • MIPS 83.7 / 100 · 2023
  • 8 yrs on file
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 1St Capitol Dr
Saint Charles, MO 633012844
(636) 947-5000

Credentials & registration

NPPES · NUCC
NPI registered
October 2018 — 8 yrs on file
Profile last updated
September 10, 2024
Specialty taxonomy
363A00000X — NUCC code
State licenses (3)
Missouri #2020030531 · Illinois #085.006912 · Iowa #126823

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1467928408. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
270
Distinct HCPCS
4
Medicare allowed
$34,577
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 141 140 $146
99284 Emergency department visit with moderate level of medical decision making 90 88 $101
99291 Critical care, first 30-74 minutes 22 22 $177
99283 Emergency department visit with low level of medical decision making 17 17 $60

In context: peer comparison

Among 8 peers in Saint Charles Physician Assistant, average services per provider: 50. This provider delivers 5.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
31
Patients
29
Total drug cost
$154
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 19 18 $111
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 11 $43

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathaniel Best's medical specialty?
Dr. Nathaniel Best practices Physician Assistant in Saint Charles, MO.
Where does Dr. Nathaniel Best practice?
Dr. Nathaniel Best practices at 300 1St Capitol Dr, Saint Charles, MO 633012844. Office phone: 6369475000.
What is Dr. Nathaniel Best's NPI?
Dr. Nathaniel Best's National Provider Identifier (NPI) is 1467928408, issued by NPPES.
What procedures does Dr. Nathaniel Best commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.