Quick answers
- Does Gordon G. Zeng accept Medicare assignment?
- Yes. Medicare's clinician data says Gordon G. Zeng accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Gordon G. Zeng see?
- In 2024, CMS data shows 620 Original Medicare patients and 1,746 services for Gordon G. Zeng. This counts Original Medicare only and measures volume, not quality.
- What is Gordon G. Zeng's NPI number?
- 1801891460. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Gordon G. Zeng, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 620 |
|---|---|
| Services billed to Medicare | 1,746 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)859 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)264 services
- Special stained specimen slides to examine tissue, initial procedure (88342)110 services
- Preparation of tissue for examination by removing any calcium present (88311)82 services
- Pathology examination of tissue using a microscope, moderately high complexity (88307)74 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure68%
- High cholesterol65%
- Arthritis37%
- Chronic kidney disease34%
- Diabetes28%
- Ischemic heart disease23%
Hospitals where Gordon G. Zeng works
Medicare's Facility Affiliation Data lists Gordon G. Zeng at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Crossing Rivers Health Medical CenterPrairie Du Chien, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521330
- Gundersen Lutheran Medical CenterLa Crosse, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520087
- Gundersen St Josephs Hospital and ClinicsHillsboro, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521304
- Vernon Memorial HospitalViroqua, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521348
- Veterans Memorial HospitalWaukon, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161318
Practice locations
Addresses where Gordon G. Zeng is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1122 W Hwy 61Winona, MN 55987 (507) 615‑0600
- 1836 S AveLa Crosse, WI 54601 (608) 783‑7300
- 226 2nd St NLacrescent, MN 55947 (507) 895‑6610
- 301 Railroad RdWonewoc, WI 53968 (608) 464‑3575
- 37868 US Hwy 18Prairie Du Chien, WI 53821 (608) 357‑2000
Group practices
Medicare enrollment lists Gordon G. Zeng as a member of these groups (CMS data updated October 2, 2026).
- Gundersen Lutheran Medical Center Inc895 clinicians in the group
- Gundersen Clinic Ltd418 clinicians in the group
- St Josephs Health Services Inc81 clinicians in the group
- Vernon Memorial Healthcare Inc77 clinicians in the group
- Tomah Memorial Hospital Inc54 clinicians in the group
- Prairie Du Chien Memorial Hospital Association Inc47 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Winona
Clinicians with the same Medicare primary specialty in Winona, MN — not a recommendation.
Other clinicians in Gundersen Lutheran Medical Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801891460 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians