MATTHEW PORTER MD
NPI 1023165982
Emergency Medicine in Longview, TX
About Matthew Porter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MATTHEW PORTER MD (NPI 1023165982) is an individual emergency medicine provider in Longview, Texas, licensed in Texas (N2737) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Willis Knighton Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
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
Matthew Porter 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 Reassignments
5Medicare enrollment records show Matthew Porter reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Longview, TX 75601
- Reassigned Medicare billing, Texas enrollment
- 154 clinicians in this Medicare group
Shreveport, LA 71103
- Reassigned Medicare billing, Louisiana enrollment
- 104 clinicians in this Medicare group
Lufkin, TX 75904
- Reassigned Medicare billing, Texas enrollment
- 89 clinicians in this Medicare group
Dallas, TX 75246
- Reassigned Medicare billing, Texas enrollment
- 1,044 clinicians in this Medicare group
Gainesville, TX 76240
- Reassigned Medicare billing, Texas enrollment
- 1,193 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 3
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Willis Knighton Medical Center
Acute Care Hospitals · Shreveport, LAUt Health East Texas Tyler Regional Hospital
Acute Care Hospitals · Tyler, TXUt Health East Texas Carthage Hospital
Acute Care Hospitals · Carthage, TXPhysician 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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
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 Matthew Porter's NPI number?
The NPI number for Matthew Porter is 1023165982. It was assigned to this individual provider in the NPPES registry on January 4, 2007.
Where is Matthew Porter located?
Matthew Porter practices at 700 E Marshall Ave, Longview, TX 75601. The listed phone number is (903) 315-2445.
What is Matthew Porter's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Matthew Porter enrolled in Medicare?
Yes. Matthew Porter 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 organizations bill Medicare for Matthew Porter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Porter reassigns Medicare benefits to 5 organizations: Acute Care Specialists (Longview, TX), Cross Lake Emergency Group, LLC (Shreveport, LA), Angelina Emergency Medicine Associates PA (Lufkin, TX), Century Integrated Partners, Inc (Dallas, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, TX). Each 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 Matthew Porter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Porter accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health and Oscar Insurance Company list Matthew Porter 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 Matthew Porter affiliated with any hospitals?
According to CMS data, Matthew Porter is affiliated with Willis Knighton Medical Center, Ut Health East Texas Tyler Regional Hospital and Ut Health East Texas Carthage Hospital.
When was this NPI record last updated?
The NPPES record for Matthew Porter was last updated on March 28, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Matthew Porter, MD · NPI 1023165982
Emergency Medicine physician in Longview, Texas. Individual provider, active in the CMS NPPES registry since January 4, 2007.
## Identity
- **NPI:** 1023165982 (Entity type: Individual)
- **Enumerated:** January 4, 2007
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** N2737 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 700 E MARSHALL AVE, Longview, TX 75601-5580
- **Phone:** (903) 315-2445 · **Fax:** (903) 315-5383
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Acute Care Specialists (NPI 1740655273, Longview, TX); Cross Lake Emergency Group, LLC (NPI 1013497114, Shreveport, LA); Angelina Emergency Medicine Associates PA (NPI 1518397298, Lufkin, TX); Century Integrated Partners, Inc (NPI 1447615711, Dallas, TX); Acs Primary Care Physicians Southwest, PA (NPI 1538101019, Gainesville, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Oklahoma College Of Medicine, class of 2006
## Record status
- **NPPES last updated:** March 28, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1023165982) · Data from the CMS NPPES public registry.