WILLIAM ANDREW BIGELOW
NPI 1689202657
Internal Medicine - Gastroenterology in Winston Salem, NC
About William Andrew Bigelow NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ANDREW BIGELOW (NPI 1689202657) is an individual gastroenterology provider in Winston Salem, North Carolina, licensed in North Carolina (2026-03376) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with University Of Virginia Medical Center, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (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
William Andrew Bigelow 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 William Bigelow 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
- Medicare enrollment name: Gastroenterology Associates Of The Piedmont PA
- 24 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.
University Of Virginia Medical Center
Acute Care Hospitals · Charlottesville, VAPhysician 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.
Other Providers at the Same Location NPPES 10
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
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 William Bigelow's NPI number?
The NPI number for William Bigelow is 1689202657. It was assigned to this individual provider in the NPPES registry on March 27, 2020.
Where is William Bigelow located?
William Bigelow practices at 1830 S Hawthorne Rd, Winston Salem, NC 27103. The listed phone number is (336) 448-2427.
What is William Bigelow's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is William Bigelow enrolled in Medicare?
Yes. William Bigelow 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 William Bigelow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Bigelow reassigns Medicare benefits to Gastroenterology Associates Of The Piedmont, P.A. (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 William Bigelow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Bigelow accept?
Health plans from Cigna Healthcare and UnitedHealthcare list William Bigelow 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 William Bigelow affiliated with any hospitals?
According to CMS data, William Bigelow is affiliated with University Of Virginia Medical Center.
When was this NPI record last updated?
The NPPES record for William Bigelow was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# William Andrew Bigelow · NPI 1689202657
Gastroenterology physician in Winston Salem, North Carolina. Individual provider, active in the CMS NPPES registry since March 27, 2020.
## Identity
- **NPI:** 1689202657 (Entity type: Individual)
- **Enumerated:** March 27, 2020
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 2026-03376 (North Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 1830 S HAWTHORNE RD, Winston Salem, NC 27103-4014
- **Phone:** (336) 448-2427 · **Fax:** (336) 765-2869
## 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:** Gastroenterology Associates Of The Piedmont, P.A. (NPI 1679687586, Winston Salem, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 2020
## Record status
- **NPPES last updated:** July 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689202657) · Data from the CMS NPPES public registry.