MRS. MARGARET SOMMER ALLAN LCSW
NPI 1225192867
Social Worker - Clinical in Athens, TX
About Mrs. Margaret Sommer Allan Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARGARET SOMMER ALLAN LCSW (NPI 1225192867) is an individual clinical provider in Athens, Texas, licensed in Texas (22168) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1992).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mrs. Margaret Sommer Allan Lcsw 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75751 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATHENS, TX 75751
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 Allan's NPI number?
The NPI number for Margaret Allan is 1225192867. It was assigned to this individual provider in the NPPES registry on December 20, 2006. The provider is also known as Summer Allan Wilson Lcsw.
Where is Margaret Allan located?
Margaret Allan practices at 600 S Palestine St # 201, Athens, TX 75751. The listed phone number is (903) 681-4871.
What is Margaret Allan's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Margaret Allan enrolled in Medicare?
Yes. Margaret Allan 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.
What insurance does Margaret Allan accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Margaret Allan 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.
When was this NPI record last updated?
The NPPES record for Margaret Allan was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.
# Mrs. Margaret Sommer Allan, LCSW · NPI 1225192867
Clinical provider in Athens, Texas. Individual provider, active in the CMS NPPES registry since December 20, 2006.
## Identity
- **NPI:** 1225192867 (Entity type: Individual)
- **Enumerated:** December 20, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 22168 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 S PALESTINE ST, # 201, Athens, TX 75751-3310
- **Phone:** (903) 681-4871
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** October 8, 2026
- **Other identifiers:** Other 125690 (TX); Medicaid 160967902 (TX); Other 0097JW (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1225192867) · Data from the CMS NPPES public registry.