Nathaniel Little, MD
NPI 1871720748 · Critical Care Medicine (Internal Medicine) Physician · Lakewood, CO
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Little, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Lakewood, CO (NPI 1871720748).
Provider details
- NPI number
- 1871720748
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0054102 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
562 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 174 | $209 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 166 | $117 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 34 | $120 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 31 | $10 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 29 | $8 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 98 | 23 |
| Tiotropium Bromidebrand: Spiriva Respimat | 45 | 11 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 34 | 15 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 22 | — |
| Albuterol Sulfatebrand: Ventolin Hfa | 20 | — |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 13001 E. 17th PlaceUniversity of Colorado School of Medicine GmeAurora, CO 80045-2581Phone: (630) 802-3529
Registry dates
- Enumerated
- 2009-06-17
- Last updated
- 2018-06-22
Frequently asked questions
- What is Nathaniel Little's NPI number?
- Nathaniel Little's National Provider Identifier (NPI) is 1871720748, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Little's specialty?
- Nathaniel Little is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Little located?
- Nathaniel Little's practice location on file with NPPES is 274 Union Blvd Ste 110, Lakewood, CO 80228.
- What is Nathaniel Little's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Little is (303) 951-0600.
- Does Nathaniel Little accept Medicare?
- Nathaniel Little is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Little's NPI active?
- Yes — Nathaniel Little's NPI (1871720748) is active in the NPPES registry as of the last update on 2018-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.