WILLIAM GHAUL DO
NPI 1780267005
Internal Medicine in Allentown, PA

Active since May 04, 2021PECOS Enrolled
1501 N CEDAR CREST BLVD STE 110, ALLENTOWN, PA 18104(610) 821-2828 Get Directions Write a Review

NPPES record last updated: September 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 10, 2025, Jun 17, 2025, Jun 4, 2025 and 2 more (5 updates tracked since 2021).

About William Ghaul Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM GHAUL DO (NPI 1780267005) is an individual internal medicine provider in Allentown, Pennsylvania, licensed in Pennsylvania (OS023424) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1780267005
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM GHAULCredential: DO
Location Address1501 N CEDAR CREST BLVD STE 110Allentown, PA 18104-2309
Mailing AddressPo Box 689Allentown, PA 18105-1556 · (610) 402-5100
Sole ProprietorYes
Enumeration DateMay 4, 2021
Last NPPES UpdateSeptember 29, 20255 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2025
✔ NPI 1780267005 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · OS023424
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1501 N CEDAR CREST BLVD STE 110, Allentown, PA 18104

Secondary Practice Locations 2

Location 11627 Chew St Ste 101Allentown, PA 18102-3648 · Phone (610) 969-4370
Location 21200 S Cedar Crest BlvdAllentown, PA 18103-6202 · Phone (610) 402-5100

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Ghaul Do 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.

Medicare Billing Reassignments

2

Medicare enrollment records show William Ghaul reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1503 N CEDAR CREST BLVD
Allentown, PA 18104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,895 clinicians in this Medicare group
Federally Qualified Health Center (FQHC)
400 N 17TH ST STE 300
Allentown, PA 18104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 296 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18104 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Gastroenterology)
1501 N CEDAR CREST BLVD STE 110
ALLENTOWN, PA 18104
Physician Assistant
1501 N CEDAR CREST BLVD STE 110
ALLENTOWN, PA 18104
Internal Medicine (Gastroenterology)
1501 N CEDAR CREST BLVD STE 110
ALLENTOWN, PA 18104
Physician Assistant (Medical)
1501 N CEDAR CREST BLVD STE 110
ALLENTOWN, PA 18104
Nurse Practitioner (Family)
1501 N CEDAR CREST BLVD STE 110
ALLENTOWN, PA 18104
Physician Assistant
1501 N CEDAR CREST BLVD STE 110
ALLENTOWN, PA 18104
Internal Medicine (Gastroenterology)
1501 N CEDAR CREST BLVD STE 110
ALLENTOWN, PA 18104
Physician Assistant
1501 N CEDAR CREST BLVD STE 110
ALLENTOWN, PA 18104

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 Ghaul's NPI number?

The NPI number for William Ghaul is 1780267005. It was assigned to this individual provider in the NPPES registry on May 4, 2021.

Where is William Ghaul located?

William Ghaul practices at 1501 N Cedar Crest Blvd Ste 110, Allentown, PA 18104. The listed phone number is (610) 821-2828.

What is William Ghaul's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Ghaul enrolled in Medicare?

Yes. William Ghaul is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Ghaul's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Ghaul reassigns Medicare benefits to 2 organizations: Lehigh Valley Physician Group (Allentown, PA) and Valley Health Partners Community Health Center (Allentown, PA). Each 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 Ghaul's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Ghaul accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list William Ghaul 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.

When was this NPI record last updated?

The NPPES record for William Ghaul was last updated on September 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.