Doctor profile · Federal record

Dr. William Flatley, D.O.

Hospitalist Physician (CMS: Hospitalist) · Emergency Medicine Physician · Family Medicine Physician · Internal Medicine Physician · Lewisburg, PA

  • NPI 1790058683
  • Accepts Medicare
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Hospital Dr
Lewisburg, PA 178379350
(570) 522-4264
fax (570) 768-3709
Mailing address
601 Memory Ln
York, PA 174022231

Credentials & registration

NPPES · NUCC
NPI registered
February 2012 — 14 yrs on file
Profile last updated
April 2, 2026
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Pennsylvania #OS017628

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790058683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
253
Distinct HCPCS
2
Medicare allowed
$38,822
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 180 177 $167
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 73 73 $120

In context: peer comparison

Among 7 peers in this city , average services per provider: 64. This provider delivers 4.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Flatley's medical specialty?
Dr. William Flatley practices Hospitalist Physician in Lewisburg, PA.
Where does Dr. William Flatley practice?
Dr. William Flatley practices at 1 Hospital Dr, Lewisburg, PA 178379350. Office phone: 5705224264.
What is Dr. William Flatley's NPI?
Dr. William Flatley's National Provider Identifier (NPI) is 1790058683, issued by NPPES.
Does Dr. William Flatley accept Medicare assignment?
Yes. Dr. William Flatley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Flatley commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.