SIMON KOO MD
NPI 1194347732
Emergency Medicine in Bethlehem, PA
About Simon Koo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SIMON KOO MD (NPI 1194347732) is an individual emergency medicine provider in Bethlehem, Pennsylvania, licensed in Pennsylvania (MD480048) and active in the NPI registry since May 2020. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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)
Simon Koo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Simon Koo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethlehem, PA 18015
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Phillipsburg, NJ 08865
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: St Lukes Warren Physician Group PC
- 153 clinicians in this Medicare group
Orwigsburg, PA 17961
- Reassigned Medicare billing, Pennsylvania enrollment
- 953 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BETHLEHEM, PA 18015
BETHLEHEM, PA 18015
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 Simon Koo's NPI number?
The NPI number for Simon Koo is 1194347732. It was assigned to this individual provider in the NPPES registry on May 16, 2020.
Where is Simon Koo located?
Simon Koo practices at 801 Ostrum St, Bethlehem, PA 18015. The listed phone number is (484) 526-4000.
What is Simon Koo's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Simon Koo enrolled in Medicare?
Yes. Simon Koo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Simon Koo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Simon Koo reassigns Medicare benefits to 3 organizations: St. Luke's Physician Group, Inc. (Bethlehem, PA), St. Luke's Warren Physician Group, PC (Phillipsburg, NJ) and Gslpg, Inc (Orwigsburg, 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 Simon Koo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Simon Koo accept?
Health plans from Oscar Health list Simon Koo 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 Simon Koo was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Simon Koo, MD · NPI 1194347732
Emergency Medicine physician in Bethlehem, Pennsylvania. Individual provider, active in the CMS NPPES registry since May 16, 2020.
## Identity
- **NPI:** 1194347732 (Entity type: Individual)
- **Enumerated:** May 16, 2020
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD480048 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 801 OSTRUM ST, Bethlehem, PA 18015-1000
- **Phone:** (484) 526-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): St. Luke's Physician Group, Inc. (NPI 1083789150, Bethlehem, PA); St. Luke's Warren Physician Group, PC (NPI 1174864490, Phillipsburg, NJ); Gslpg, Inc (NPI 1366006702, Orwigsburg, PA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 10, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1194347732) · Data from the CMS NPPES public registry.