Dr. Catherine E Oconnor , MD
Surgery • Lewiston, ME
Professional Overview & Biography Verified Profile Summary
Dr. Catherine Oconnor, MD is a certified Surgery practicing in Lewiston, ME. With approximately 38 years of clinical experience since completing medical education in 1988, Dr. Oconnor delivers high-quality medical care to the local community at 99 CAMPUS AVE., SUITE 401.
Dr. Oconnor is affiliated with Southern Illinois Medical Services Nfp and accepts Medicare assignment.
Frequently performed procedures and clinical services include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, partial removal of breast, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
99 Campus Ave., Suite 401
St Mary's Surgical Associates
Lewiston, ME 042406045
Medicare Profile & Education
Other
1988
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Surgery in Lewiston, ME
Practicing in Lewiston, ME (246 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
G2211
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
|
102 | 77 | $29.38 | $15.85 |
|
19301
Partial removal of breast
|
55 | 48 | $1383.00 | $650.28 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
53 | 48 | $199.38 | $122.21 |
|
99205
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
|
43 | 43 | $348.44 | $212.00 |
|
38900
Lymph node imaging during surgery
|
37 | 37 | $422.00 | $137.98 |
|
38525
Biopsy or removal of lymph nodes of under the arm, open procedure
|
36 | 36 | $988.00 | $220.13 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
29 | 28 | $140.41 | $86.28 |
|
99215
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
|
21 | 20 | $282.14 | $172.56 |
|
99212
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
|
16 | 16 | $89.31 | $53.53 |
|
19303
Total removal of breast
|
11 | 11 | $2143.00 | $958.96 |
|
G2212
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or
|
11 | 11 | $53.00 | $31.37 |
Medical Specialties & State Licenses
CMS Verified: 2025-09-29NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Additional State Medicaid & Healthcare Payer Identifiers
Hospital & Practice Group Affiliations
Southern Illinois Medical Services Nfp
1237 E Main St, Carbondale, IL 629013148
Phone: 6184572281
Secondary Practice Locations
1237 E Main St Ste C1
Carbondale, IL 629013148
Phone: 6184572281
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Surgery
Doctor of Medicine (M.D.)
Doctor of Medicine (M.D.)
Surgery
Doctor of Medicine (M.D.)
Obstetrics & Gynecology
Doctor of Medicine (M.D.)
Surgery
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Surgery (License #60277802 in NY)
Surgery (License #036158770 in IL)
Registered at PO BOX 7291, LEWISTON, ME 042437291 (Tel: 2077778950)
NPI status registered as active in NPPES database
Registered at 99 CAMPUS AVE., SUITE 401, ST MARY'S SURGICAL ASSOCIATES, LEWISTON, ME 042406045 (Tel: 2077778650)
Registered at PO BOX 1638, ALBANY, NY 122011638 (Tel: 2077774111)
Recorded as CATHERINE OCONNOR, MD
Surgery (License #MD17051 in ME)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
Po Box 7291
Lewiston, ME 042437291
Phone: 2077778950
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