Monica Gale Mason, FNP-C
Nurse Practitioner · Longview, TX
At a glance
1107 E Marshall Ave, Longview, TX 75601-5602
NPPES record updated Oct 22, 2025. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1107 E Marshall AveLongview, TX 75601-5602
Additional reported practice locations
1001 W Fairmont StLongview, TX 756043511
Phone: 9037582610
Fax: 9037587081 201 E Loop 281
Longview, TX 756057911
Phone: 9037582610
Fax: 9037587081 1901 Mulberry Ave Ste A
Mt Pleasant, TX 754552369
Phone: 9037582610
Fax: 9037587081 425 N Fredonia St
Longview, TX 756016464
Phone: 9037582610
Fax: 9037587081 602 Titus St Ste 130
Gilmer, TX 756441780
Phone: 9037582610
Fax: 9037587081 1711 S Henderson Blvd Ste 400
Kilgore, TX 756623592
Phone: 9037582610
Fax: 9037587081 267 Hunter Rd
Longview, TX 756057446
Phone: 4305589441
Fax: 9032316946 825 Medical Dr Ste A
Tyler, TX 757012143
Phone: 9037582610
Fax: 9037587081 1761 W Loop 281
Longview, TX 756042734
Phone: 9037582610
Fax: 9037587081 111 Ruthlynn Dr
Longview, TX 756055635
Phone: 9037572557 705 E Marshall Ave Ste 3000
Longview, TX 756015661
Phone: 9037582610
Fax: 9037587081 802 Medical Cir Ste 101
Longview, TX 756055169
Phone: 9037582610
Fax: 9037587081 2015 Mulberry Ave Ste 250
Mt Pleasant, TX 754552927
Phone: 9037582610
Fax: 9037587081 2131 S Mobberly Ave
Longview, TX 756023563
Phone: 9037582610
Fax: 9037587081
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2008
- CMS specialties
- Nurse Practitioner
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $177.03 |
Reporting companies
| Company | Amount |
|---|---|
| MAYNE PHARMA COMMERCIAL LLC | $107.40 |
| SAGE THERAPEUTICS, LLC | $27.94 |
| BAYER HEALTHCARE PHARMACEUTICALS INC. | $24.77 |
| EXELTIS, USA INC. | $16.92 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Nurse Practitioner
- Taxonomy code
- 363L00000X
- Enumeration date
- Oct 28, 2014
- Record updated
- Oct 22, 2025
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- FNP-C
Reported taxonomies and licenses
363L00000X · Primary
License reported: AP126580 TX
363LF0000X
License reported: AP126580 TX
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1107 E Marshall AveLongview, TX 75601-5602
- Phone
- (903) 758-2610
- Fax
- (903) 758-7081
Mailing address
1107 E MARSHALL AVELONGVIEW, TX 756015602
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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