Physician Profile
Unclaimed ProfileAbout HAMANN
Based in Chicago, IL, Harold Christopher Hamann, MD is listed in the NPI registry under urology. According to Medicare claims data, Harold cared for 761 Medicare patients across 892 services.
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
- (847) 503-3000
- Email not available
Practice Locations
5215 N CALIFORNIA AVE STE F801
Chicago, IL 60625
Procedures Most Often Billed to Medicare
892 services · 761 patients · 20 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
59 |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
25 |
| Biopsy of prostate gland | Procedure | 55700 |
18 |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
18 |
| Insertion of stent in ureter using an endoscope | Procedure | 52332 |
17 |
| Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope | Procedure | 52310 |
12 |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
12 |
| Imaging of urinary tract following injection of a contrast agent | Imaging | 74420 |
36 |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
18 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
123 |
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 urology specialists at this location 3
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 urology specialists in Chicago 8
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 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Hamann?
Dr. Hamann is an urology in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “UROLOGY”.
NPI registry
What is Dr. Hamann's address?
Dr. Hamann is listed at 5215 N CALIFORNIA AVE STE F801, Chicago, IL 60625. 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. Hamann?
The number on file is (847) 503-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Hamann's NPI number?
Dr. Hamann's National Provider Identifier is 1578097952. 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. Hamann train?
Dr. Hamann attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Hamann been practicing?
Dr. Hamann has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Hamann perform?
According to Medicare billing data, Dr. Hamann performs procedures including ultrasound measurement of bladder capacity after voiding, crushing of stone of ureter with insertion of stent using an endoscope and biopsy of prostate gland; reads or performs imaging such as imaging of urinary tract following injection of a contrast agent and ultrasonic guidance for needle placement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Hamann confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hamann. 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.