Physician Profile
John C. Eggenberger, M.D.
Unclaimed ProfileAbout Dr. Eggenberger
Based in Ypsilanti, MI, John C. Eggenberger, M.D. is listed in the NPI registry under colon & rectal surgery. John graduated from University of Michigan Medical School in 1985. According to Medicare claims data, John cared for 74 Medicare patients across 104 services. The services billed most often include subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and diagnostic exam of anus using an endoscope.
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
- (734) 712-8150
- Email not available
Practice Locations
5325 ELLIOTT DR STE 104
Ypsilanti, MI 48197
Henry Ford Health System 2799 West Grand Boulevard
Detroit, MI 48202
Procedures Most Often Billed to Medicare
104 services · 74 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
21 | |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
33 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
33 | As often as other peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 |
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 colorectal surgeons at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 27 related providers in 4 groups
Other colorectal surgeons in Ypsilanti 3
Same specialty, same city.
Trained at University of Michigan Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at University of Michigan Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 8
Providers in MI who bill this service to Medicare most often.
Common questions
What does John C. Eggenberger specialize in?
John C. Eggenberger is a colorectal surgeon in Ypsilanti, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where is John C. Eggenberger located?
John C. Eggenberger is listed at 5325 Elliott Dr Ste 104, Ypsilanti, MI 48197. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John C. Eggenberger's phone number?
The number on file is (734) 712-8150. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is John C. Eggenberger's NPI number?
John C. Eggenberger's National Provider Identifier is 1225191844. 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 John C. Eggenberger train?
John C. Eggenberger attended University of Michigan Medical School, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has John C. Eggenberger been practicing?
John C. Eggenberger has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What does John C. Eggenberger do most often?
According to Medicare billing data, John C. Eggenberger performs procedures including diagnostic exam of anus using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John C. Eggenberger confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John C. Eggenberger. 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.