JOHN MICHAEL PROVENZA MD
NPI 1508399346
Internal Medicine - Gastroenterology in Winston Salem, NC
About John Michael Provenza Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MICHAEL PROVENZA MD (NPI 1508399346) is an individual gastroenterology provider in Winston Salem, North Carolina, licensed in North Carolina (2023-01626) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with North Carolina Baptist Hospital, and maintains a secondary practice location in Birmingham.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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 Michael Provenza 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 Reassignment
Medicare enrollment records show John Provenza reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Winston Salem, NC 27157
- Reassigned Medicare billing, North Carolina enrollment
- 3,003 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 8
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.
North Carolina Baptist Hospital
Acute Care Hospitals · Winston-Salem, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 27157 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.
WINSTON-SALEM, NC 27157
WINSTON SALEM, NC 27157
WINSTON SALEM, NC 27157
WINSTON SALEM, NC 27157
WINSTON SALEM, NC 27157
WINSTON SALEM, NC 27157
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 Provenza's NPI number?
The NPI number for John Provenza is 1508399346. It was assigned to this individual provider in the NPPES registry on April 8, 2017.
Where is John Provenza located?
John Provenza practices at Medical Center Boulevard, Winston Salem, NC 27157. The listed phone number is (336) 713-7311.
What is John Provenza's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is John Provenza enrolled in Medicare?
Yes. John Provenza 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 Provenza's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Provenza reassigns Medicare benefits to Wake Forest University Health Sciences (Winston Salem, 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 Provenza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Provenza 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 Provenza 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 Provenza affiliated with any hospitals?
According to CMS data, John Provenza is affiliated with North Carolina Baptist Hospital.
When was this NPI record last updated?
The NPPES record for John Provenza was last updated on June 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 Michael Provenza, MD · NPI 1508399346
Gastroenterology physician in Winston Salem, North Carolina. Individual provider, active in the CMS NPPES registry since April 8, 2017.
## Identity
- **NPI:** 1508399346 (Entity type: Individual)
- **Enumerated:** April 8, 2017
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 2023-01626 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** MEDICAL CENTER BOULEVARD, Winston Salem, NC 27157-1900
- **Phone:** (336) 713-7311
## 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:** Wake Forest University Health Sciences (NPI 1003803032, Winston Salem, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Louisiana State University School Of Medicine In Shreveport, class of 2013
## Record status
- **NPPES last updated:** June 12, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1508399346) · Data from the CMS NPPES public registry.