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Ophthalmology

Margaret E. Littlejohn, MD

Works at hospitals in Longview, TX · Texas

Summary

Margaret E. Littlejohn, MD (Ophthalmology) is listed by Medicare at 2 hospitals in Longview, TX. NPI 1649893496. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Margaret E. Littlejohn, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

OphthalmologyPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
Texas Tech University Health Science Center School Of MedicineMedical school
FemaleGender (as listed)
Jonathan P Walgama MD PAGroup practice

Quick answers

Which hospitals does Margaret E. Littlejohn work at?
Medicare's official clinician data lists Margaret E. Littlejohn at 2 hospitals: CHRISTUS Good Shepherd Medical Center and Longview Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Margaret E. Littlejohn see patients?
Medicare's clinician data lists 1 practice location in Longview, TX. Call before your visit to confirm the address.
What is Margaret E. Littlejohn's specialty?
Medicare lists Ophthalmology as the primary specialty.
Does Margaret E. Littlejohn accept Medicare assignment?
Yes. Medicare's clinician data says Margaret E. Littlejohn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Margaret E. Littlejohn?
(903) 757-2020, as listed in official Medicare / NPI Registry data.
What is Margaret E. Littlejohn's NPI number?
1649893496. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Margaret E. Littlejohn works

Medicare's Facility Affiliation Data lists Margaret E. Littlejohn at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Margaret E. Littlejohn is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Margaret E. Littlejohn as a member of this group (CMS data updated 2026-10-02).

  • Jonathan P Walgama MD PA2 clinicians in the group

Specialties

Find other Ophthalmology doctors in Texas →

Other ophthalmologists in Longview

Clinicians with the same Medicare primary specialty in Longview, TX — not a recommendation.

All ophthalmologists in Longview →

Clinician information

CredentialMD
Medical schoolTexas Tech University Health Science Center School Of Medicine
Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649893496
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians