Doctor profile · Federal record

Dr. John Eggenberger, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Ypsilanti, MI

  • NPI 1225191844
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5325 Elliott Dr Ste 104
Ypsilanti, MI 481978633
(734) 712-8150
fax (734) 712-8151
Additional location
Henry Ford Health System, 2799 West Grand Boulevard
Detroit, MI 48202
(313) 916-2436
Mailing address
5325 Elliott, Suite 104, Associates in General and Vascular Surgery
Ypsilanti, MI 49197

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Michigan #4301405869
Medicaid
MI #284751010

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225191844. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
117
Distinct HCPCS
5
Medicare allowed
$11,129
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 41 20 $51
99213 Established patient office or other outpatient visit, 20-29 minutes 26 17 $91
46600 Diagnostic exam of anus using an endoscope 18 17 $115
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $154
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $129

In context: peer comparison

Among 4 peers in Ypsilanti Colon & Rectal Surgery Physician, average services per provider: 22. This provider delivers 5.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
79
Patients
58
Total drug cost
$2,424
Drug Type Claims Patients Total cost
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) Brand 25 25 $1,916
Oxycodone Hcl Generic 23 19 $93
Metronidazole Generic 19 14 $182
Ciprofloxacin Hcl Generic 12 0 $233

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Eggenberger's medical specialty?
Dr. John Eggenberger practices Colon & Rectal Surgery Physician in Ypsilanti, MI.
Where does Dr. John Eggenberger practice?
Dr. John Eggenberger practices at 5325 Elliott Dr Ste 104, Ypsilanti, MI 481978633. Office phone: 7347128150.
What is Dr. John Eggenberger's NPI?
Dr. John Eggenberger's National Provider Identifier (NPI) is 1225191844, issued by NPPES.
Does Dr. John Eggenberger accept Medicare assignment?
Yes. Dr. John Eggenberger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Eggenberger commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of anus using an endoscope (HCPCS 46600). Source: CMS Medicare Physician & Other Practitioners file.