Anesthesiologists in Delaware
Data updated monthly · Last refresh October 2026
124 Anesthesiology providers practice in Delaware, including 2 (2%) offering telehealth. The largest concentration is in New Castle. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
124providers
2telehealth
New Castletop city
Anesthesiology by city in Delaware
Choose a city to see providers there.
Where Anesthesiologists in Delaware practice
From CMS Medicare enrollment records covering 57 of the 124 providers listed here (46%). Providers who do not bill Medicare are not included in these figures.
9%solo or small practice (under 10 clinicians)
19%mid-size group (10 to 99)
72%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Anesthesiologists | All clinicians in group | Main city |
| Anesthesia Services PA | 22 | 201 | Newark |
| Northstar Anesthesia of Delaware LLC | 12 | 125 | Wilmington |
| Bay Anesthesia Associates LLC | 9 | 28 | Dover |
| Delaware Anesthesia Associates PA | 8 | 34 | Lewes |
| Anesthesia Company LLC | 4 | 373 | Seaford |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Anesthesiologists affiliated |
| Christiana Hospital | Newark | Nonprofit | 4 of 5 | 19 |
| Beebe Medical Center | Lewes | Nonprofit | 3 of 5 | 10 |
| Bayhealth Medical Center, Kent Campus | Dover | Nonprofit | 2 of 5 | 10 |
| Bayhealth Hospital, Sussex Campus | Milford | Nonprofit | 3 of 5 | 10 |
| Tidalhealth Nanticoke, Inc.. | Seaford | Nonprofit | 3 of 5 | 4 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Anesthesiology providers in Delaware
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Bryan Mccarthy, D.O.Dover, DE · No drug or device payments recorded (2025) ·
(302) 674-4700 Dr. Jeffrey Ruiz, D.O.Dover, DE · No drug or device payments recorded (2025) ·
(302) 674-4700 Dr. Leena Paul, MDDover, DE · No drug or device payments recorded (2025) ·
(302) 674-4700 Dr. Michael Thorogood, MD Dr. Papaiah Murthy, M.D.Dover, DE · No drug or device payments recorded (2025) ·
(302) 674-4700 Dr. Raul Raya-silva, M.D. Dr. Vivian Griffin, MDDover, DE · No drug or device payments recorded (2025) ·
(302) 678-4688 Dr. Asit Patel, M.DGreenville, DE · $21 in drug and device payments (2025) · Telehealth ·
(302) 998-7994 Dr. Dinesh Nayak, M.D.Hockessin, DE · No drug or device payments recorded (2025) ·
(302) 234-9221 Dr. Ashley Ropell, DOLewes, DE · No drug or device payments recorded (2025) ·
(302) 645-3300 Dr. Bruce Aldred, M.D.Lewes, DE · No drug or device payments recorded (2025) ·
(302) 645-3580 Dr. Dale Sutherland, M.D.Lewes, DE · No drug or device payments recorded (2025) · Telehealth ·
(302) 644-3311 Dr. Igor KirzhnerLewes, DE · No drug or device payments recorded (2025) ·
(336) 970-7967 Dr. Jacob Peterson, MDLewes, DE · No drug or device payments recorded (2025) ·
(302) 645-3580 Dr. Maciej Klosowski, MDLewes, DE · No drug or device payments recorded (2025) ·
(302) 645-3580 Dr. Mohammad Mehdi, M.D.Lewes, DE · No drug or device payments recorded (2025) ·
(302) 644-2160 Dr. Robert Wiltshire, MDLewes, DE · No drug or device payments recorded (2025) ·
(302) 645-3580 Dr. Stephani Allison, M.D. Dr. Tracy Winters, MDLewes, DE · No drug or device payments recorded (2025) ·
(215) 860-4110 Dr. William Doherty, M.D.Lewes, DE · No drug or device payments recorded (2025) ·
(302) 645-3300 Dr. Jose Guzman, MDMilford, DE · No drug or device payments recorded (2025) ·
(302) 422-4047 Dr. Walter Moore, MDMilford, DE · No drug or device payments recorded (2025) ·
(302) 422-4047 Dr. Burkhard Spiekermann, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 709-4497 Dr. Charles CooperNewark, DE · No drug or device payments recorded (2025) ·
(302) 709-4497 Dr. Christopher Whitten, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 709-4497 Dr. Donald Mathes, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 709-4497 Dr. Gina Kim, M.D.Newark, DE · No drug or device payments recorded (2025) ·
(302) 733-1042 Dr. Kay Parker, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 709-4497 Dr. Leonard Nowcid, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 733-1000 Dr. Manivanh Keobounnam, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 733-1000 Dr. Mark Harris, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 709-4497 Dr. Martin Richards, CRNANewark, DE · No drug or device payments recorded (2025) ·
(302) 709-4497 Dr. Patricia Moore, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 733-1000 Dr. Read Siry, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 733-1000 Dr. Robert Olszewski, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 733-1000 Dr. Terence Wallace, MDNewark, DE · No drug or device payments recorded (2025) ·
(302) 733-1000 Dr. William Marsh, CRNANewark, DE · No drug or device payments recorded (2025) ·
(302) 709-4497 Common questions
How many Anesthesiology providers are in Delaware?There are 124 Anesthesiology providers with active NPI records practicing in Delaware, according to federal NPPES data refreshed monthly.
Do Anesthesiology providers in Delaware offer telehealth?Yes. 2 of the 124 Anesthesiology providers in Delaware (about 2%) report offering telehealth services in CMS data.
Which cities in Delaware have the most Anesthesiology providers?New Castle (37), Wilmington (31), Newark (22) have the highest concentration of Anesthesiology providers in Delaware.
How many Anesthesiology providers in Delaware received drug or device company payments?36 of 124 Anesthesiology providers in Delaware (29%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Anesthesiologists in Delaware work in independent practices or large health systems?Among 57 Anesthesiologists in Delaware enrolled in Medicare, 9% bill through a solo or small practice with fewer than 10 clinicians, 19% through a mid-size group of 10 to 99, and 72% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Anesthesiologists in Delaware work at?According to CMS facility affiliation records, the Delaware hospitals where the most Anesthesiologists hold privileges are Christiana Hospital in Newark; Beebe Medical Center in Lewes; Bayhealth Medical Center, Kent Campus in Dover.
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