Doctor profile · Federal record

Dr. Declan Quigley, MD

Internal Medicine Physician (CMS: Internal Medicine) · Newark, DE

  • NPI 1285629683
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
111 Continental Dr, Suite 406
Newark, DE 197134306
(302) 368-2630
fax (302) 368-1271

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
April 29, 2014
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Delaware #C10005541

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285629683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
485
Distinct HCPCS
2
Medicare allowed
$77,069
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 319 317 $174
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 166 163 $131

In context: peer comparison

Among 75 peers in Newark Internal Medicine Physician, average services per provider: 140. This provider delivers 3.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Declan Quigley's medical specialty?
Dr. Declan Quigley practices Internal Medicine Physician in Newark, DE.
Where does Dr. Declan Quigley practice?
Dr. Declan Quigley practices at 111 Continental Dr, Newark, DE 197134306. Office phone: 3023682630.
What is Dr. Declan Quigley's NPI?
Dr. Declan Quigley's National Provider Identifier (NPI) is 1285629683, issued by NPPES.
Does Dr. Declan Quigley accept Medicare assignment?
Yes. Dr. Declan Quigley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Declan Quigley 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.