Doctor profile · Federal record

Dr. William Zajdel, DO

Emergency Medicine Physician · Allentown, PA

  • NPI 1487686168
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 S Cedar Crest Blvd
Allentown, PA 181036202
(610) 402-8111
Mailing address
Po Box 783311
Philadelphia, PA 191783311

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 11, 2016
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Pennsylvania #OS007231L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487686168. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
152
Distinct HCPCS
2
Medicare allowed
$23,857
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 115 112 $170
99284 Emergency department visit with moderate level of medical decision making 37 37 $116

In context: peer comparison

Among 66 peers in Allentown Emergency Medicine Physician, average services per provider: 82. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Zajdel's medical specialty?
Dr. William Zajdel practices Emergency Medicine Physician in Allentown, PA.
Where does Dr. William Zajdel practice?
Dr. William Zajdel practices at 1200 S Cedar Crest Blvd, Allentown, PA 181036202. Office phone: 6104028111.
What is Dr. William Zajdel's NPI?
Dr. William Zajdel's National Provider Identifier (NPI) is 1487686168, issued by NPPES.
What procedures does Dr. William Zajdel 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). Source: CMS Medicare Physician & Other Practitioners file.