Physician Profile
Zachary H. Lewis, D.O. practices general surgery in Trenton, MI. Zachary is a 1985 graduate of Michigan State University College of Osteopathic Medicine. Zachary is also listed as specializing in surgery. According to Medicare claims data, Zachary cared for 123 Medicare patients across 126 services. The services billed most often include new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and biopsy of large bowel using a flexible endoscope. The provider's National Provider Identifier (NPI) is 1194797480.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3231 WEST RD
Trenton, MI 48183
Within General Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Anorectal
Appendix, bowel, and emergency
Gallbladder and biliary
Hernia and abdominal wall
Skin and soft tissue
Abdominal
Abdominal wall
Breast
Colorectal
Digestive
Emergency surgery
Endocrine
Gastrointestinal
Hernia
Infections
Lymphatic
Oncology
Most searched procedures
Bowel and emergency abdominal
Gallbladder and appendix
Hernia repair
Skin and soft tissue
Abdominal surgery
Abdominal wall
Access and nutrition
Anorectal
Biopsy
Breast surgery
Breast Surgery
Colorectal
Colorectal surgery
Digestive procedures
Endocrine surgery
Gastrointestinal
Hernia surgery
Skin & Soft Tissue
Surgical Oncology
Surgical procedures
Vascular Access
Wound care
126 services · 123 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
15 | Less often than most peers in General Surgery |
| Repair of groin hernia using an endoscope | Procedure | 49650 |
12 | Less often than most peers in General 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 |
58 | More often than most peers in General Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
28 | As often as other peers in General Surgery |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
13 | Less often than most peers in General Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Zachary H. Lewis is a general surgeon in Trenton, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “General Surgery”.
NPI registry
Zachary H. Lewis is listed at 3231 West Rd, Trenton, MI 48183. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (734) 675-6885. Contact the office directly to confirm availability and scheduling.
NPI registry
Zachary H. Lewis's National Provider Identifier is 1194797480. 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
Zachary H. Lewis attended Michigan State University College of Osteopathic Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Zachary H. Lewis has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Zachary H. Lewis performs procedures including biopsy of large bowel using a flexible endoscope and repair of groin hernia using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Zachary H. Lewis. If this is you, claiming it is free.
Guide.md
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