Clay Semenkovich, MD
NPI 1548286867 · Endocrinology, Diabetes & Metabolism Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clay Semenkovich, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Saint Louis, MO (NPI 1548286867).
Provider details
- NPI number
- 1548286867
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R6C91 (MO)
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
19 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
8,846 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,978 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,121 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,072 | $8 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation86140 | 591 | $5 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 504 | $16 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 503 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 73 | 20 |
| Empagliflozinbrand: Jardiance | 63 | 16 |
| Semaglutidebrand: Ozempic | 56 | 13 |
| Levothyroxine Sodium | 48 | 13 |
| Amlodipine Besylate | 42 | 11 |
| Ezetimibe | 40 | 11 |
| Tirzepatide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 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
- 2006-07-14
- Last updated
- 2025-04-17
Frequently asked questions
- What is Clay Semenkovich's NPI number?
- Clay Semenkovich's National Provider Identifier (NPI) is 1548286867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clay Semenkovich's specialty?
- Clay Semenkovich is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Clay Semenkovich located?
- Clay Semenkovich's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Clay Semenkovich's phone number?
- The practice phone number listed in the NPPES registry for Clay Semenkovich is (314) 362-3500.
- Does Clay Semenkovich accept Medicare?
- Clay Semenkovich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clay Semenkovich's NPI active?
- Yes — Clay Semenkovich's NPI (1548286867) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.