Physician Profile
Unclaimed ProfileAbout Dr. Lynch
Gerald E Lynch, MD is a healthcare provider in Oak Park, IL specializing in general surgery. Gerald trained at Rush Medical College of Rush University, graduating in 1992. Gerald is also listed as specializing in surgery. Medicare claims data shows Gerald provided 232 services to 204 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (331) 221-9004
- Email not available
Practice Locations
1100 LAKE ST STE 230
Oak Park, IL 60301
Conditions Commonly Evaluated or Treated
Within General Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Anorectal
Appendix, bowel, and emergency
- Appendicitis
- Diverticulitis
- Intra-abdominal abscess
- Large-bowel obstruction
- Mesenteric ischemia
- Perforated gastrointestinal tract
- Peritonitis
- Small-bowel obstruction
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Breast
Endocrine
Procedures & services
Bowel and emergency abdominal
- Colon resection
- Exploratory laparoscopy
- Exploratory laparotomy
- Repair of perforated peptic ulcer
- Small-bowel resection
- Surgery for bowel obstruction
- Surgical drainage of abdominal abscess
- Surgical lysis of adhesions
Gallbladder and appendix
- Laparoscopic appendix removal
- Laparoscopic gallbladder removal
- Open appendix removal
- Open gallbladder removal
Hernia repair
- Incisional hernia repair
- Laparoscopic groin-hernia repair
- Open groin-hernia repair
- Robotic hernia repair
- Umbilical hernia repair
- Ventral hernia repair
Skin and soft tissue
- Incision and drainage of an abscess
- Lipoma removal
- Removal of a skin cyst
- Removal of a soft-tissue mass
Access and nutrition
- Central venous catheter placement
- Feeding-tube placement into the stomach
- Implanted venous port placement
- Jejunostomy feeding-tube placement
Anorectal
- Anal fistula surgery
- Drainage of anal abscess
- Hemorrhoid removal surgery
- Pilonidal cyst removal
- Rubber-band ligation of hemorrhoids
- Surgery for chronic anal fissure
Breast surgery
Procedures Most Often Billed to Medicare
232 services · 204 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of gallbladder using an endoscope | Procedure | 47562 |
12 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
51 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
51 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
38 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
37 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
22 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
21 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Rush Medical College of Rush University 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Rush Medical College of Rush University 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Removal of gallbladder using an endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Lynch specialize in?
Dr. Lynch is a general surgeon in Oak Park, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where is Dr. Lynch located?
Dr. Lynch is listed at 1100 LAKE ST STE 230, Oak Park, IL 60301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Lynch's phone number?
The number on file is (331) 221-9004. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Lynch?
Dr. Lynch's National Provider Identifier is 1740285733. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Lynch go to medical school?
Dr. Lynch attended Rush Medical College of Rush University, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Lynch have?
Dr. Lynch has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Lynch do most often?
According to Medicare billing data, Dr. Lynch performs procedures including removal of gallbladder using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Lynch's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lynch. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.