Doctor profile · Federal record

Dr. NATHAN APPLEGREN, M.D.

Anesthesiology Physician (CMS: ANESTHESIOLOGY) · Anesthesiology Physician · GREENWOOD VILLAGE, CO

  • NPI 1023679651
  • Accepts Medicare
  • 7 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
8000 E MAPLEWOOD AVE STE 120
GREENWOOD VILLAGE, CO 801114766
(303) 438-3999
fax (720) 439-9500
Additional location
1 Hospital Dr
Columbia, MO 652015276
(573) 882-9522
Mailing address
PO BOX 840862
DALLAS, TX 752840862

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
December 20, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Colorado #DR.0072046 · Missouri #2019022908

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023679651. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $15.37

By nature of payment

Food and Beverage
$15

Hospital affiliations

CMS Hospital Compare

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 21, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›