DR. MARK VINCENT GUIDO M.D,
NPI 1740627496
Internal Medicine - Endocrinology, Diabetes & Metabolism in Winston Salem, NC
About Dr. Mark Vincent Guido M.d, NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK VINCENT GUIDO M.D, (NPI 1740627496) is an individual endocrinology, diabetes & metabolism provider in Winston Salem, North Carolina, licensed in North Carolina (2016-01628) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Novant Health Forsyth Medical Center, and maintains a secondary practice location in Charlotte.
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
Dr. Mark Vincent Guido M.d, 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 Mark Guido reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Winston Salem, NC 27103
- Reassigned Medicare billing, North Carolina enrollment
- 1,202 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Novant Health Forsyth Medical Center
Acute Care Hospitals · Winston-Salem, NCNovant Health Rowan Medical Center
Acute Care Hospitals · Salisbury, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 27103 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WINSTON SALEM, NC 27103
WINSTON SALEM, NC 27103
WINSTON SALEM, NC 27103
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 Mark Guido's NPI number?
The NPI number for Mark Guido is 1740627496. It was assigned to this individual provider in the NPPES registry on June 3, 2013.
Where is Mark Guido located?
Mark Guido practices at 755 Highland Oaks Dr Ste 201, Winston Salem, NC 27103. The listed phone number is (336) 765-0020.
What is Mark Guido's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Mark Guido enrolled in Medicare?
Yes. Mark Guido 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 Mark Guido's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Guido reassigns Medicare benefits to Forsyth Memorial Hospital Inc (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 Mark Guido's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Guido accept?
Health plans from Cigna Healthcare list Mark Guido 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 Mark Guido affiliated with any hospitals?
According to CMS data, Mark Guido is affiliated with Novant Health Forsyth Medical Center and Novant Health Rowan Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Guido was last updated on October 26, 2020. 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.