SAMUEL WOO MD
NPI 1912934274
Emergency Medicine in Chambersburg, PA
About Samuel Woo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL WOO MD (NPI 1912934274) is an individual emergency medicine provider in Chambersburg, Pennsylvania, licensed in Pennsylvania (MD060238L) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Wellspan Waynesboro Hospital, and maintains a secondary practice location in Waynesboro.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Samuel Woo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Samuel Woo reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chambersburg, PA 17201
- Reassigned Medicare billing, Pennsylvania enrollment
- 30 clinicians in this Medicare group
Waynesboro, PA 17268
- Reassigned Medicare billing, Pennsylvania enrollment
- 26 clinicians in this Medicare group
Hanover, PA 17331
- Reassigned Medicare billing, Pennsylvania enrollment
- 298 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 3
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wellspan Waynesboro Hospital
Acute Care Hospitals · Waynesboro, PAWellspan Chambersburg Hospital
Acute Care Hospitals · Chambersburg, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
CHAMBERSBURG, PA 17201
CHAMBERSBURG, PA 17201
CHAMBERSBURG, PA 17201
CHAMBERSBURG, PA 17201
CHAMBERSBURG, PA 17201
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 Samuel Woo's NPI number?
The NPI number for Samuel Woo is 1912934274. It was assigned to this individual provider in the NPPES registry on June 26, 2006.
Where is Samuel Woo located?
Samuel Woo practices at 112 N 7th St, Chambersburg, PA 17201. The listed phone number is (717) 267-7146.
What is Samuel Woo's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Samuel Woo enrolled in Medicare?
Yes. Samuel Woo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Samuel Woo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Woo reassigns Medicare benefits to 3 organizations: The Chambersburg Hospital (Chambersburg, PA), Waynesboro Hospital (Waynesboro, PA) and Emergency Physician Associates Of Pennsylvania, PC (Hanover, 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 Samuel Woo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Samuel Woo affiliated with any hospitals?
According to CMS data, Samuel Woo is affiliated with Wellspan Waynesboro Hospital and Wellspan Chambersburg Hospital.
When was this NPI record last updated?
The NPPES record for Samuel Woo was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Samuel Woo, MD · NPI 1912934274
Emergency Medicine physician in Chambersburg, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 26, 2006.
## Identity
- **NPI:** 1912934274 (Entity type: Individual)
- **Enumerated:** June 26, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD060238L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 112 N 7TH ST, Chambersburg, PA 17201-1720
- **Phone:** (717) 267-7146 · **Fax:** (717) 267-7728
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): The Chambersburg Hospital (NPI 1558460428, Chambersburg, PA); Waynesboro Hospital (NPI 1881699247, Waynesboro, PA); Emergency Physician Associates Of Pennsylvania, PC (NPI 1619990900, Hanover, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** May 7, 2025
- **Other identifiers:** Medicaid 001937087 (PA); Other 71241 (PA); Other 1141125 (PA); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1912934274) · Data from the CMS NPPES public registry.