Oleksandr Kovalchuk, M.D.
NPI 1437390788 · Nephrology Physician · Ocala, FL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oleksandr Kovalchuk, M.D. is a Nephrology Physician provider in Ocala, FL (NPI 1437390788).
Provider details
- NPI number
- 1437390788
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME103932 (FL)
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
17 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
2,267 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 751 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 598 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 284 | $91 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 224 | $169 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 116 | $330 |
| Hemodialysis Procedure With Physician Evaluation90935 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 213 | 49 |
| Amlodipine Besylate | 72 | 20 |
| Furosemide | 69 | 21 |
| Sevelamer Carbonate | 67 | 18 |
| Parenteral Amino Acid 20% No.1brand: Prosol | 51 | — |
| Losartan Potassium | 46 | 17 |
| Potassium Chloride | 39 | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$305 across 13 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
- 2009-03-17
- Last updated
- 2009-06-29
Frequently asked questions
- What is Oleksandr Kovalchuk's NPI number?
- Oleksandr Kovalchuk's National Provider Identifier (NPI) is 1437390788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oleksandr Kovalchuk's specialty?
- Oleksandr Kovalchuk is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Oleksandr Kovalchuk located?
- Oleksandr Kovalchuk's practice location on file with NPPES is 2980 Se 3rd Ct, Ocala, FL 34471-0421.
- What is Oleksandr Kovalchuk's phone number?
- The practice phone number listed in the NPPES registry for Oleksandr Kovalchuk is (352) 622-4231.
- Does Oleksandr Kovalchuk accept Medicare?
- Oleksandr Kovalchuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oleksandr Kovalchuk's NPI active?
- Yes — Oleksandr Kovalchuk's NPI (1437390788) is active in the NPPES registry as of the last update on 2009-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.