Dr. Patrick A Dillon , MD
Surgery - Pediatric Surgery β’ Saint Louis, MO
1 Childrens Pl, Div Surg Ped, Ste 2a
Saint Louis, MO 631101002
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
Practice Location & Contact Primary Location
1 Childrens Pl
Div Surg Ped, Ste 2a
Saint Louis, MO 631101002
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Surgery - Pediatric Surgery: NPPES taxonomy is a reported classification, not proof of board certification.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019β2025.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, βDoes your provider accept Medicare as full payment?β
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.
Enrolled in Medicare (PECOS)
Dr. Dillon has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Dillon as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Saint Louis and Missouri
23 active clinicians are listed under Surgery - Pediatric Surgery with a practice address in Saint Louis, MO (47 in Missouri).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Saint Louis
0% of these 23 clinicians have the CMS telehealth indicator.
21.7% of these 23 clinicians are listed by CMS as accepting Medicare assignment.
Sources: CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo Β· Report an error.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 2086S0120X
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.
Additional State Medicaid & Healthcare Payer Identifiers
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - GENERAL SURGERY
I20100802000060
MO
6608909353
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Surgery - Pediatric Surgery
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at PO BOX 7412011, CHICAGO, IL 606742011 (Tel: 3144546022)
Registered at PO BOX 60352, SAINT LOUIS, MO 631600352 (Tel: 3144546022)
Registered at 1 CHILDRENS PL, DIV SURG PED, STE 2A, SAINT LOUIS, MO 631101002 (Tel: 3144546022)
Registered at 1 CHILDRENS PL, STE 6110, MSC 8235-49-6110, SAINT LOUIS, MO 631101002 (Tel: 3144546022)
NPI status registered as active in NPPES database
Registered at 1 CHILDRENS PL STE A, STE A, SAINT LOUIS, MO 631101002 (Tel: 3144546022)
Registered at 660 S EUCLID AVE, C B 8235, SAINT LOUIS, MO 631101010 (Tel: 3144546022)
Recorded as PATRICK DILLON, MD
Surgery (license number reported to NPPES: MO 113094)
NPI status registered as active in NPPES database
Registered at 1 CHILDRENS PL, SAINT LOUIS, MO 631101002 (Tel: 3144546070)
Registered at 660 S EUCLID AVE, SAINT LOUIS, MO 631101010 (Tel: 3144546070)
Recorded as PATRICK DILLON, MD
Surgery (license number reported to NPPES: MO 113094)
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Surgery - Pediatric Surgery Specialists in Saint Louis
Healthcare providers in Saint LouisMailing Address
Po Box 7412011
Chicago, IL 606742011
Phone: 3144546022