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Family Practice

James R. Little Jr., MD

Works at hospitals in Jackson, WY · Wyoming

Summary

Dr. James R. Little Jr., MD is a family doctor at 1415 S Hwy 89, Jackson, WY 83001. Phone: (307) 739-8999. Accepts Medicare assignment. In 2024, James R. Little Jr. had 411 Original Medicare patients and 1,393 services. NPI 1336169036. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1415 S Hwy 89, Jackson, WY 83001 · Directions
  • Phone: (307) 739‑8999
  • Medicare: Accepts Medicare assignment
  • Hospital: St Johns Medical Center
  • Group practice: Teton County Hospital District
  • Medical school: University Of Colorado School Of Medicine, Denver · graduated 1998 (28 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about James R. Little Jr., joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does James R. Little Jr. accept Medicare assignment?
Yes. Medicare's clinician data says James R. Little Jr. accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does James R. Little Jr. see?
In 2024, CMS data shows 411 Original Medicare patients and 1,393 services for James R. Little Jr.. This counts Original Medicare only and measures volume, not quality.
What is James R. Little Jr.'s NPI number?
1336169036. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for James R. Little Jr., data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients411
Services billed to Medicare1,393
Different services or procedures66
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)348 services
  2. Insertion of needle into vein for collection of blood sample (36415)204 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)138 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)82 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)78 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol53%
  • High blood pressure52%
  • Arthritis42%
  • Ischemic heart disease24%
  • Anxiety14%
  • Atrial fibrillation14%

Hospitals where James R. Little Jr. works

Medicare's Facility Affiliation Data lists James R. Little Jr. at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • St Johns Medical CenterJackson, WY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 530015

Practice locations

Addresses where James R. Little Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists James R. Little Jr. as a member of this group (CMS data updated October 2, 2026).

  • Teton County Hospital District108 clinicians in the group

Specialties

Find other Family Practice doctors in Wyoming →

Other family doctors in Jackson

Clinicians with the same Medicare primary specialty in Jackson, WY — not a recommendation.

All family doctors in Jackson →

Other clinicians in Teton County Hospital District

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year1998 (28 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1336169036
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians