JOHN LAURENCE DEMATTEIS
NPI 1629660246
Nurse Practitioner - Family in Asheville, NC
About John Laurence Dematteis NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN LAURENCE DEMATTEIS (NPI 1629660246) is an individual family provider in Asheville, North Carolina, licensed in North Carolina (DEMA-A4C1M) and active in the NPI registry since February 2021. He is enrolled in Medicare PECOS, is affiliated with Memorial Mission Hospital And Asheville Surgery Ce, and is a graduate of Other (2020).
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
John Laurence Dematteis 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 John Dematteis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Asheville, NC 28801
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Mission Health Community Multispecialty Providers LLC
- 824 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Mission Hospital And Asheville Surgery Ce
Acute Care Hospitals · Asheville, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 28804 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.
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.
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 John Dematteis's NPI number?
The NPI number for John Dematteis is 1629660246. It was assigned to this individual provider in the NPPES registry on February 4, 2021.
Where is John Dematteis located?
John Dematteis practices at 120 W Fox Chase Rd, Asheville, NC 28804. The listed phone number is (828) 273-2017.
What is John Dematteis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is John Dematteis enrolled in Medicare?
Yes. John Dematteis 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 John Dematteis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Dematteis reassigns Medicare benefits to Mission Community Anesthesiology Specialists LLC (Asheville, NC). 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 John Dematteis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Dematteis accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and AmeriHealth Caritas Next and 2 other insurers list John Dematteis 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 John Dematteis affiliated with any hospitals?
According to CMS data, John Dematteis is affiliated with Memorial Mission Hospital And Asheville Surgery Ce.
When was this NPI record last updated?
The NPPES record for John Dematteis was last updated on February 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# John Laurence Dematteis · NPI 1629660246
Family physician in Asheville, North Carolina. Individual provider, active in the CMS NPPES registry since February 4, 2021.
## Identity
- **NPI:** 1629660246 (Entity type: Individual)
- **Enumerated:** February 4, 2021
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** DEMA-A4C1M (North Carolina)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 120 W FOX CHASE RD, Asheville, NC 28804-1014
- **Phone:** (828) 273-2017
## 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:** Mission Community Anesthesiology Specialists LLC (NPI 1114497344, Asheville, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** February 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1629660246) · Data from the CMS NPPES public registry.