Doctor profile · Federal record

Dr. Samuel Woo, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Chambersburg, PA

  • NPI 1912934274
  • Accepts Medicare
  • MIPS 36.9 / 100 · 2023
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
112 N 7Th St
Chambersburg, PA 172011720
(717) 267-7146
fax (717) 267-7728
Additional location
501 East Main Street
Waynesboro, PA 172682394
(717) 765-3400
fax (717) 765-3408
Mailing address
601 Memory Ln
York, PA 174022231

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
May 7, 2025
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Pennsylvania #MD060238L
Medicaid
PA #001937087

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912934274. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
516
Distinct HCPCS
3
Medicare allowed
$84,310
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 337 328 $170
99284 Emergency department visit with moderate level of medical decision making 113 109 $117
99291 Critical care, first 30-74 minutes 66 66 $206

In context: peer comparison

Among 16 peers in Chambersburg Emergency Medicine Physician, average services per provider: 142. This provider delivers 3.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,591
Transactions
7
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Fisher & Paykel Healthcare INC 3 $3,507.55
Pfizer INC. 4 $83.14

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$3,000
Travel and Lodging
$415
Food and Beverage
$175

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
88
Patients
86
Total drug cost
$508
Drug Type Claims Patients Total cost
Cephalexin Generic 31 31 $222
Ondansetron Odt (Ondansetron) Brand 23 22 $157
Prednisone Generic 17 16 $107
Tramadol Hcl Generic 17 17 $23

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Samuel Woo's medical specialty?
Dr. Samuel Woo practices Emergency Medicine Physician in Chambersburg, PA.
Where does Dr. Samuel Woo practice?
Dr. Samuel Woo practices at 112 N 7Th St, Chambersburg, PA 172011720. Office phone: 7172677146.
What is Dr. Samuel Woo's NPI?
Dr. Samuel Woo's National Provider Identifier (NPI) is 1912934274, issued by NPPES.
Does Dr. Samuel Woo accept Medicare assignment?
Yes. Dr. Samuel Woo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Samuel Woo commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.