1. Home
  2. Directory
  3. Pennsylvania
  4. Allentown
  5. Emergency Medicine
  6. NPI Profile

MARY SIBLEY
NPI 1154556140
Emergency Medicine in Allentown, PA

Active since May 20, 2009PECOS Enrolled
1200 S. CEDAR CREST BLVD, ALLENTOWN, PA 18105(610) 402-8111(610) 402-1698 Get Directions Write a Review

NPPES record last updated: October 2, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mary Sibley NPPES

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

MARY SIBLEY (NPI 1154556140) is an individual emergency medicine provider in Allentown, Pennsylvania, licensed in Pennsylvania (OS016511) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154556140
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMARY SIBLEY
Location Address1200 S. CEDAR CREST BLVDAllentown, PA 18105
Mailing Address2100 Mack Blvd Fl 2Allentown, PA 18103-5622 · (484) 884-0661 · Fax (484) 884-0628
Phone(610) 402-8111
Fax(610) 402-1698
Sole ProprietorNo
Enumeration DateMay 20, 2009
Last NPPES UpdateOctober 2, 2015
✔ NPI 1154556140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in PA · OS016511✔ Licensed in OH · 34.011282
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1200 S. CEDAR CREST BLVD, Allentown, PA 18105
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Sibley 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 Reassignment

Medicare enrollment records show Mary Sibley reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lehigh Valley Physician Group
Same address
Pediatrics
1200 S CEDAR CREST BLVD
Allentown, PA 18103
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,895 clinicians in this Medicare group
NPI 1104990969 (610) 402-6700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
38 services38 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18105 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
$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.

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 Mary Sibley's NPI number?

The NPI number for Mary Sibley is 1154556140. It was assigned to this individual provider in the NPPES registry on May 20, 2009.

Where is Mary Sibley located?

Mary Sibley practices at 1200 S. Cedar Crest Blvd, Allentown, PA 18105. The listed phone number is (610) 402-8111.

What is Mary Sibley's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mary Sibley enrolled in Medicare?

Yes. Mary Sibley is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Sibley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Sibley reassigns Medicare benefits to Lehigh Valley Physician Group (Allentown, PA). 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 Mary Sibley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Sibley was last updated on October 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.