Doctor profile · Federal record

Dr. William Swayser, DO

Hospitalist Physician · Internal Medicine Physician · Allentown, PA

  • NPI 1609828300
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1255 S Cedar Crest Blvd, Ste 2200
Allentown, PA 181036256
(610) 437-9006
fax (610) 437-1942
Mailing address
Po Box 783311
Philadelphia, PA 191783311

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 7, 2019
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Pennsylvania #OS007209L
Medicaid
PA #0013998820004

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609828300. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
537
Distinct HCPCS
4
Medicare allowed
$51,294
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 259 103 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 194 98 $115
99239 Hospital discharge day management, more than 30 minutes 69 68 $109
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $127

In context: peer comparison

Among 42 peers in Allentown Hospitalist Physician, average services per provider: 135. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
57
Patients
0
Total drug cost
$19,548
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 19 0 $461
Eliquis (Apixaban) Brand 16 0 $18,525
Amlodipine Besylate Generic 11 0 $237
Metoprolol Tartrate Generic 11 0 $325

Frequently asked questions

Auto-generated from federal data
What is Dr. William Swayser's medical specialty?
Dr. William Swayser practices Hospitalist Physician in Allentown, PA.
Where does Dr. William Swayser practice?
Dr. William Swayser practices at 1255 S Cedar Crest Blvd, Allentown, PA 181036256. Office phone: 6104379006.
What is Dr. William Swayser's NPI?
Dr. William Swayser's National Provider Identifier (NPI) is 1609828300, issued by NPPES.
What procedures does Dr. William Swayser commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.