Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Melissa L. Littlejohn, NP

Works at hospitals in Grants, NM · Crownpoint, NM · New Mexico

Summary

Melissa L. Littlejohn, NP is a nurse practitioner at 3 Navarre St, Thoreau Clinic, Thoreau, NM 87323. Phone: (505) 862-8250. Accepts Medicare assignment. In 2024, Melissa L. Littlejohn had 75 Original Medicare patients and 136 services. NPI 1245252741. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Melissa L. Littlejohn, 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 Melissa L. Littlejohn accept Medicare assignment?
Yes. Medicare's clinician data says Melissa L. Littlejohn 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 Melissa L. Littlejohn see?
In 2024, CMS data shows 75 Original Medicare patients and 136 services for Melissa L. Littlejohn. This counts Original Medicare only and measures volume, not quality.
What is Melissa L. Littlejohn's NPI number?
1245252741. 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 Melissa L. Littlejohn, 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 patients75
Services billed to Medicare136
Different services or procedures3
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)118 services
  2. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)17 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 blood pressure69%
  • High cholesterol68%
  • Diabetes61%
  • Arthritis16%

Hospitals where Melissa L. Littlejohn works

Medicare's Facility Affiliation Data lists Melissa L. Littlejohn 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.

Practice locations

Addresses where Melissa L. Littlejohn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Melissa L. Littlejohn as a member of this group (CMS data updated October 2, 2026).

  • DHHS PHS Naihs Crownpoint Hospital45 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New Mexico →

Other nurse practitioners in New Mexico

Clinicians with the same Medicare primary specialty in New Mexico — not a recommendation.

All nurse practitioners in New Mexico →

Other clinicians in DHHS PHS Naihs Crownpoint Hospital

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

Clinician information

CredentialNP
Graduation year1995
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245252741
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