Physician Profile
Charles Berkelhammer, MD
Unclaimed ProfileAbout Dr. Berkelhammer
Charles Berkelhammer, MD is a specialist based in Oak Lawn, IL. Medicare claims data shows Charles provided 2,069 services to 1,852 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, and removal of polyps or growths of large bowel using an endoscope with mechanical snare.
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
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (708) 499-5678
- Email not available
Practice Locations
9921 SOUTHWEST HWY
Oak Lawn, IL 60453
Procedures Most Often Billed to Medicare
2,069 services · 1,852 patients · 20 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
342 | More than most peers in Specialist |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
188 | More than most peers in Specialist |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
107 | More than most peers in Specialist |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
101 | More often than most peers in Specialist |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
27 | More often than most peers in Specialist |
| Injection beneath lining of large bowel using a flexible endoscope | Procedure | 45381 |
19 | More often than most peers in Specialist |
| Banding of hemorrhoids using a flexible endoscope (colonoscope) | Procedure | 45398 |
14 | Too few peers to compare |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
14 | Less often than most peers in Specialist |
| Ultrasound scan of organ tissue for measuring elasticity | Imaging | 76981 |
33 | More often than most peers in Specialist |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
419 | More often than most peers in Specialist |
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.
Other specialists at this location 2
Same specialty, same street address — most likely the same department or group.
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.
Other specialists in Oak Lawn 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1980 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Berkelhammer?
Dr. Berkelhammer is a specialist in Oak Lawn, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Berkelhammer's address?
Dr. Berkelhammer is listed at 9921 Southwest Hwy, Oak Lawn, IL 60453. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Berkelhammer?
The number on file is (708) 499-5678. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Berkelhammer?
Dr. Berkelhammer's National Provider Identifier is 1457359697. 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. Berkelhammer train?
Dr. Berkelhammer attended Other, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Berkelhammer have?
Dr. Berkelhammer has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Berkelhammer perform?
According to Medicare billing data, Dr. Berkelhammer performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and diagnostic exam of large bowel using a flexible endoscope; reads or performs imaging such as ultrasound scan of organ tissue for measuring elasticity, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Berkelhammer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Berkelhammer. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.