Doctor profile · Federal record

Dr. Nathaniel Little, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Lakewood, CO

  • NPI 1871720748
  • Accepts Medicare
  • MIPS 88.0 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
274 Union Blvd Ste 110
Lakewood, CO 80228
(303) 951-0600
Additional location
13001 E. 17Th Place, University of Colorado School of Medicine Gme
Aurora, CO 800452581
(630) 802-3529

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
June 22, 2018
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Colorado #0054102
Medicaid
IN #201071300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871720748. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
756
Distinct HCPCS
10
Medicare allowed
$70,244
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 162 94 $215
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 117 67 $120
94060 Test to measure expiratory airflow and volume changes before and after medication administration 110 110 $10
94729 Test to examine how well the lungs exchange gases 105 105 $9
94727 Test to determine lung volumes using gas dilution or washout 100 100 $12
99214 Established patient office or other outpatient visit, 30-39 minutes 30 23 $131
99292 Critical care, each additional 30 minutes 24 14 $108
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 20 $175
94060 Test to measure expiratory airflow and volume changes before and after medication administration 20 20 $40
94727 Test to determine lung volumes using gas dilution or washout 19 19 $46

In context: peer comparison

Among 13 peers in Lakewood Critical Care Medicine (Internal Medicine) Physician, average services per provider: 61. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$25
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Electromed, INC. 1 $24.53

By nature of payment

Food and Beverage
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
150
Patients
39
Total drug cost
$140,220
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 47 12 $42,092
Spiriva Respimat (Tiotropium Bromide) Brand 30 14 $23,785
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 26 0 $11,947
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 21 13 $870
Nucala (Mepolizumab) Brand 14 0 $54,473
Combivent Respimat (Ipratropium/Albuterol Sulfate) Brand 12 0 $7,052

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathaniel Little's medical specialty?
Dr. Nathaniel Little practices Critical Care Medicine (Internal Medicine) Physician in Lakewood, CO.
Where does Dr. Nathaniel Little practice?
Dr. Nathaniel Little practices at 274 Union Blvd Ste 110, Lakewood, CO 80228. Office phone: 3039510600.
What is Dr. Nathaniel Little's NPI?
Dr. Nathaniel Little's National Provider Identifier (NPI) is 1871720748, issued by NPPES.
Does Dr. Nathaniel Little accept Medicare assignment?
Yes. Dr. Nathaniel Little accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Little commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Test to measure expiratory airflow and volume changes before and after medication administration (HCPCS 94060). Source: CMS Medicare Physician & Other Practitioners file.