Sergei Guma, MD/PHD
NPI 1699186445 · Anatomic Pathology & Clinical Pathology Physician · Dayton, OH
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sergei Guma, MD/PHD is a Anatomic Pathology & Clinical Pathology Physician provider in Dayton, OH (NPI 1699186445).
Provider details
- NPI number
- 1699186445
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD/PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.136083 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,880 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 2,200 | $26 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 824 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 655 | $32 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 296 | $68 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 169 | $76 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 89 | $26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$43 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-14
- Last updated
- 2019-06-11
Frequently asked questions
- What is Sergei Guma's NPI number?
- Sergei Guma's National Provider Identifier (NPI) is 1699186445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sergei Guma's specialty?
- Sergei Guma is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Sergei Guma located?
- Sergei Guma's practice location on file with NPPES is 1 Wyoming St, Dayton, OH 45409-2722.
- What is Sergei Guma's phone number?
- The practice phone number listed in the NPPES registry for Sergei Guma is (937) 208-2978.
- Does Sergei Guma accept Medicare?
- Sergei Guma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sergei Guma's NPI active?
- Yes — Sergei Guma's NPI (1699186445) is active in the NPPES registry as of the last update on 2019-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.