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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM ANDREW BIGELOW
NPI 1689202657
Internal Medicine - Gastroenterology in Winston Salem, NC

Active since March 27, 2020PECOS Enrolled
1830 S HAWTHORNE RD, WINSTON SALEM, NC 27103(336) 448-2427(336) 765-2869 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2026, Mar 27, 2020 (2 updates tracked since 2020).

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.

NPPES Registry Identity

NPI1689202657
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameWILLIAM ANDREW BIGELOW
Location Address1830 S HAWTHORNE RDWinston Salem, NC 27103-4014
Mailing Address1830 S Hawthorne RdWinston Salem, NC 27103-4014 · (336) 448-2427 · Fax (336) 765-2869
Phone(336) 448-2427
Fax(336) 765-2869
Sole ProprietorNo
Enumeration DateMarch 27, 2020
Last NPPES UpdateJuly 21, 20262 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1689202657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NC · 2026-03376
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1830 S HAWTHORNE RD, Winston Salem, NC 27103
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Andrew Bigelow is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician 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.

New Patient
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. JASON DEFOREST JONES M.D.
Internal Medicine (Gastroenterology)
1830 S HAWTHORNE RD
WINSTON SALEM, NC 27103
Forsyth County (336) 448-2427
MICHAEL HOTELLING RUBIN MD
Internal Medicine (Gastroenterology)
1830 S HAWTHORNE RD
WINSTON SALEM, NC 27103
Forsyth County (336) 765-0463
DR. CHRISTOPHER D CONNOLLEY M.D.
Internal Medicine (Gastroenterology)
1830 S HAWTHORNE RD
WINSTON SALEM, NC 27103
Forsyth County (336) 448-2427
DAVID W BARRY M.D.
Internal Medicine (Gastroenterology)
1830 S HAWTHORNE RD
WINSTON SALEM, NC 27103
Forsyth County (336) 448-2427
DR. SEAN M HARRIS M.D.
Internal Medicine (Gastroenterology)
1830 S HAWTHORNE RD, SUITE 310
WINSTON SALEM, NC 27103
Forsyth County (336) 448-2427
PAUL MELVIN GREGORY JR. NP-C
Nurse Practitioner (Adult Health)
1830 S HAWTHORNE RD
WINSTON SALEM, NC 27103
Forsyth County (336) 765-0463
ASHLEY NICOLE SCHMIDT RN, FNP-C
Nurse Practitioner
1830 S HAWTHORNE RD
WINSTON SALEM, NC 27103
Forsyth County (336) 448-2427
KARI KRISTINE MCCHESNEY NP-C
Nurse Practitioner (Family)
1830 S HAWTHORNE RD
WINSTON SALEM, NC 27103
Forsyth County (336) 448-2427

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 enrollment system.

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 16 days 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.