DR. MATTHEW JOHN HAAG DO
NPI 1033107016
Family Medicine in Hinton, WV
About Dr. Matthew John Haag Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW JOHN HAAG DO (NPI 1033107016) is an individual family medicine provider in Hinton, West Virginia, licensed in West Virginia (2134) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Princeton Community Hospital, and is a graduate of West Virginia School Of Osteopathic Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 11
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. Matthew John Haag Do 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 Matthew Haag reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Princeton, WV 24740
- Reassigned Medicare billing, West Virginia enrollment
- Also billed through NPI 1003453317 (West Virginia), NPI 1346266848 (West Virginia), NPI 1174402572 (West Virginia), NPI 1770950396 (West Virginia)
- 34 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Princeton Community Hospital
Acute Care Hospitals · Princeton, WVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 25951 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HINTON, WV 25951
HINTON, WV 25951
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 Haag's NPI number?
The NPI number for Matthew Haag is 1033107016. It was assigned to this individual provider in the NPPES registry on October 12, 2005.
Where is Matthew Haag located?
Matthew Haag practices at 115 Summers Hospital Rd, Hinton, WV 25951. The listed phone number is (304) 466-2918.
What is Matthew Haag's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Matthew Haag enrolled in Medicare?
Yes. Matthew Haag 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 Matthew Haag's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Haag reassigns Medicare benefits to Bluestone Health Association, Inc. (Princeton, WV). 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 Matthew Haag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Matthew Haag accept?
Health plans from CareSource and Highmark Blue Cross Blue Shield West Virginia list Matthew Haag 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 Haag affiliated with any hospitals?
According to CMS data, Matthew Haag is affiliated with Princeton Community Hospital.
When was this NPI record last updated?
The NPPES record for Matthew Haag was last updated on May 15, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.