DR. MARGARET E LITTLEJOHN MD
NPI 1649893496
Ophthalmology in Lubbock, TX
About Dr. Margaret E Littlejohn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET E LITTLEJOHN MD (NPI 1649893496) is an individual ophthalmology provider in Lubbock, Texas, licensed in Texas (BP10071115) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and maintains a secondary practice location in Longview.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Margaret E Littlejohn Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Margaret Littlejohn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Longview, TX 75605
- Reassigned Medicare billing, Texas enrollment
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 14
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Christus Good Shepherd Medical Center
Acute Care Hospitals · Longview, TXLongview Regional Medical Center
Acute Care Hospitals · Longview, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79430 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LUBBOCK, TX 79430
LUBBOCK, TX 79430
LUBBOCK, TX 79430
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Margaret Littlejohn's NPI number?
The NPI number for Margaret Littlejohn is 1649893496. It was assigned to this individual provider in the NPPES registry on May 27, 2020.
Where is Margaret Littlejohn located?
Margaret Littlejohn practices at 3601 4th St, Lubbock, TX 79430. The listed phone number is (806) 743-6840.
What is Margaret Littlejohn's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Margaret Littlejohn enrolled in Medicare?
Yes. Margaret Littlejohn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Margaret Littlejohn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Littlejohn reassigns Medicare benefits to Jonathan P Walgama MD PA (Longview, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Littlejohn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Littlejohn accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and UnitedHealthcare list Margaret Littlejohn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Margaret Littlejohn affiliated with any hospitals?
According to CMS data, Margaret Littlejohn is affiliated with Christus Good Shepherd Medical Center and Longview Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Littlejohn was last updated on May 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Margaret E Littlejohn, MD · NPI 1649893496
Ophthalmology physician in Lubbock, Texas. Individual provider, active in the CMS NPPES registry since May 27, 2020.
## Identity
- **NPI:** 1649893496 (Entity type: Individual)
- **Enumerated:** May 27, 2020
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** BP10071115 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 4TH ST, Lubbock, TX 79430-0002
- **Phone:** (806) 743-6840
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Jonathan P Walgama MD PA (NPI 1487184867, Longview, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas Tech University Health Science Center School Of Medicine, class of 2020
## Record status
- **NPPES last updated:** May 23, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1649893496) · Data from the CMS NPPES public registry.