SIGRID WILLIAMSON MD
NPI 1891312989
Surgery in West Reading, PA

Active since July 06, 2020PECOS Enrolled
420 S 5TH AVE, WEST READING, PA 19611(484) 628-4908 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 6, 2025, Jul 9, 2025, Jul 6, 2020 (3 updates tracked since 2020).

About Sigrid Williamson Md NPPES

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

SIGRID WILLIAMSON MD (NPI 1891312989) is an individual surgery provider in West Reading, Pennsylvania, licensed in Pennsylvania (MT220886) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891312989
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameSIGRID WILLIAMSONCredential: MD
Location Address420 S 5TH AVEWest Reading, PA 19611-2143
Mailing AddressPo Box 13579Reading, PA 19612-3579
Sole ProprietorNo
Enumeration DateJuly 6, 2020
Last NPPES UpdateAugust 6, 20253 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
NPI 1891312989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in PA · MT220886
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedPediatricsTaxonomy 208000000X · License MD490277 (PA)
Also ListedPediatrics · Pediatric GastroenterologyTaxonomy 2080P0206X · License MD490277 (PA)
420 S 5TH AVE, West Reading, PA 19611

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Sigrid Williamson Md 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 19611 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
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.

Student in an Organized Health Care Education/Training Program
420 S 5TH AVE
WEST READING, PA 19611
Student in an Organized Health Care Education/Training Program
420 S 5TH AVE
WEST READING, PA 19611
Student in an Organized Health Care Education/Training Program
420 S 5TH AVE
WEST READING, PA 19611
Pathology (Forensic Pathology)
420 S 5TH AVE
WEST READING, PA 19611
Physician Assistant
420 S 5TH AVE
WEST READING, PA 19611
Surgery
420 S 5TH AVE
WEST READING, PA 19611
Nurse Practitioner (Family)
420 S 5TH AVE
READING, PA 19611
Student in an Organized Health Care Education/Training Program
420 S 5TH AVE
WEST READING, PA 19611

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 Sigrid Williamson's NPI number?

The NPI number for Sigrid Williamson is 1891312989. It was assigned to this individual provider in the NPPES registry on July 6, 2020.

Where is Sigrid Williamson located?

Sigrid Williamson practices at 420 S 5th Ave, West Reading, PA 19611. The listed phone number is (484) 628-4908.

What is Sigrid Williamson's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Sigrid Williamson enrolled in Medicare?

Yes. Sigrid Williamson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sigrid Williamson was last updated on August 6, 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.