Sergei R. Guma, MD

Medicare activity in 2024

Official CMS public-use data for Sergei R. Guma, 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.

Most frequent services

1. Special stained specimen slides to examine tissue, each additional procedure (88341)2,200 services
2. Pathology examination of tissue using a microscope, intermediate complexity (88305)1,120 services
3. Special stained specimen slides to examine tissue, initial procedure (88342)703 services
4. Pathology examination of tissue using a microscope, moderately high complexity (88307)169 services
5. Cell examination of specimen, selective cellular enhancement technique (88112)89 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 pressure75%
• High cholesterol75%
• Arthritis51%
• Diabetes37%
• Ischemic heart disease34%
• Chronic kidney disease33%

Hospitals where Sergei R. Guma works

Medicare's Facility Affiliation Data lists Sergei R. Guma 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.

• Atrium Medical CenterFranklin, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360076
• Kettering Health Main CampusKettering, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360079
• Miami Valley HospitalDayton, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360051
• Upper Valley Medical CenterTroy, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360174

Practice locations

Addresses where Sergei R. Guma is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Medical Ctr DrMiddletown, OH 45005 (513) 424‑2111
• 1 Wyoming StDayton, OH 45409 (937) 208‑2978

Group practices

Medicare enrollment lists Sergei R. Guma as a member of this group (CMS data updated October 2, 2026).

• Valley Pathologists, Inc11 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in Ohio →

Other pathologists in Middletown

Clinicians with the same Medicare primary specialty in Middletown, OH — not a recommendation.

• Richard J. Dunn, MD
• Hongliu Sun
• Hebin Song, MD
• Alan Prok, MD

All pathologists in Middletown →

Other clinicians in Valley Pathologists, Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Richard J. Dunn, MD
• Ronald C. Chiu, MD
• Rebecca R. Balaj, MD
• Mohammed A. Shrit, MD
• Alan Prok, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians