MONICA GALE MASON FNP-C
NPI 1639574098
Nurse Practitioner in Longview, TX
About Monica Gale Mason Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MONICA GALE MASON FNP-C (NPI 1639574098) is an individual nurse practitioner in Longview, Texas, licensed in Texas (AP126580) and active in the NPI registry since October 2014. She is enrolled in Medicare PECOS, maintains 14 additional practice locations, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 14
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
Monica Gale Mason Fnp-c 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 Monica Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Longview, TX 75601
- Reassigned Medicare billing, Texas enrollment
- 127 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75601 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.
LONGVIEW, TX 75601
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 Monica Mason's NPI number?
The NPI number for Monica Mason is 1639574098. It was assigned to this individual provider in the NPPES registry on October 28, 2014.
Where is Monica Mason located?
Monica Mason practices at 1107 E Marshall Ave, Longview, TX 75601. The listed phone number is (903) 758-2610.
What is Monica Mason's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Monica Mason enrolled in Medicare?
Yes. Monica Mason 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 Monica Mason's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Monica Mason reassigns Medicare benefits to Longview Wellness Center, Inc (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 Monica Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Monica Mason accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Monica Mason 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 Monica Mason was last updated on October 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Monica Gale Mason, FNP-C · NPI 1639574098
Nurse Practitioner physician in Longview, Texas. Individual provider, active in the CMS NPPES registry since October 28, 2014.
## Identity
- **NPI:** 1639574098 (Entity type: Individual)
- **Enumerated:** October 28, 2014
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP126580 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1107 E MARSHALL AVE, Longview, TX 75601-5602
- **Phone:** (903) 758-2610 · **Fax:** (903) 758-7081
## 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:** Longview Wellness Center, Inc (NPI 1942269493, Longview, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** October 22, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1639574098) · Data from the CMS NPPES public registry.