Doctor profile · Federal record

Dr. NATHAN NIELSEN, M.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: INTERNAL MEDICINE) · Critical Care Medicine (Internal Medicine) Physician · Critical Care Medicine (Internal Medicine) Physician · ALBUQUERQUE, NM

  • NPI 1780869743
  • Accepts Medicare
  • MIPS 81.4 / 100 · 2023
  • 22 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
MSC10-5550 1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
(505) 272-4751
Mailing address
800 BRADBURY DR SE STE 116
ALBUQUERQUE, NM 871064310

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
September 26, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (3)
New Mexico #MD2019-0746 · Maryland #D78283 · Louisiana #MD.203214
Medicaid (2)
LA #1803375 · MD #931106800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780869743. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67
Distinct HCPCS
2
Medicare allowed
$11,415
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 50 24 $212
86077 Blood bank physician services for cross match and/or evaluation and written report 17 11 $48

In context: peer comparison

Among 6 peers in this city , average services per provider: 36. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$587
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Grifols Shared Services North America, Inc. 1 $506.95
Genentech USA, Inc. 1 $80.29

By nature of payment

Honoraria
$507
Food and Beverage
$80

Hospital affiliations

CMS Hospital Compare