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Colorectal Surgery (Proctology)

William Sangster, MD

Works at hospitals in Allentown, PA · Pennsylvania

Summary

William Sangster, MD (Colorectal Surgery (Proctology)) is listed by Medicare at 1 hospital in Allentown, PA. NPI 1740574953. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about William Sangster, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Colorectal Surgery (Proctology)Primary specialty
May acceptAccepts Medicare assignment
15Years since medical school (graduated 2011)
MaleGender (as listed)

Quick answers

Which hospitals does William Sangster work at?
Medicare's official clinician data lists William Sangster at 1 hospital: Lehigh Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does William Sangster see patients?
Medicare's clinician data lists 1 practice location in Allentown, PA. Call before your visit to confirm the address.
What is William Sangster's specialty?
Medicare lists Colorectal Surgery (Proctology) as the primary specialty.
Does William Sangster accept Medicare assignment?
Medicare's clinician data says William Sangster may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is William Sangster's NPI number?
1740574953. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where William Sangster works

Medicare's Facility Affiliation Data lists William Sangster at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where William Sangster is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1255 S Cedar Crest Blvd, Suite 3900Allentown, PA 18103

Specialties

Find other Colorectal Surgery (Proctology) doctors in Pennsylvania →

Other colorectal surgeons in Allentown

Clinicians with the same Medicare primary specialty in Allentown, PA — not a recommendation.

All colorectal surgeons in Allentown →

Clinician information

CredentialMD
Graduation year2011
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1740574953
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians