Physician Profile
Unclaimed ProfileAbout PIAZZA
Based in Naperville, IL, David J Piazza, MD is listed in the NPI registry under colorectal surgery (proctology). David graduated from Loyola University of Chicago, Stritch School of Medicine in 1985. David is also listed as specialising in colon & rectal surgery and surgery.
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
Common questions
What kind of doctor is Dr. Piazza?
Dr. Piazza is a colorectal surgery (proctology) in Naperville, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “COLORECTAL SURGERY (PROCTOLOGY)”.
NPI registry
What is Dr. Piazza's address?
Dr. Piazza is listed at 10 W MARTIN AVE STE 225, Naperville, IL 60540. 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. Piazza?
The number on file is (630) 355-5633. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Piazza?
Dr. Piazza's National Provider Identifier is 1528172897. 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. Piazza train?
Dr. Piazza attended Loyola University of Chicago, Stritch School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Piazza have?
Dr. Piazza has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Piazza perform?
According to Medicare billing data, Dr. Piazza performs procedures including diagnostic exam of anus using an endoscope, biopsy of large bowel using a flexible endoscope and diagnostic exam of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Piazza's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Piazza. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 355-5633
- Email not available
Practice Locations
10 W MARTIN AVE STE 225
Naperville, IL 60540
Procedures Most Often Billed to Medicare
511 services · 417 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
35 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
18 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
14 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
101 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
79 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
74 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
46 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
43 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
33 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
25 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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.
Other colorectal surgery specialists in Naperville 2
Same specialty, same city.
Trained at Loyola University of Chicago, Stritch School of Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1985 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 7
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.