John Sundermann, M.D.
NPI 1447213582 · Anatomic Pathology Physician · Butler, PA
Provider details
- NPI number
- 1447213582
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 30144 (SC)
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
20 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
1,423 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 784 | $34 |
| Special Stained Specimen Slides to Examine Tissue, Each Multiplex Procedure88344 | 121 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 99 | $32 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 91 | $26 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 85 | $11 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 79 | $26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (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
- 2006-04-10
- Last updated
- 2020-01-23
- Certified
- 2020-01-23
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.