Oksana Kloyzner, MD
NPI 1093791204 · Internal Medicine Physician · Bloomfield, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oksana Kloyzner, MD is a Internal Medicine Physician provider in Bloomfield, CT (NPI 1093791204).
Provider details
- NPI number
- 1093791204
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0397654 (CT)
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
555 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 209 | $134 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 138 | $76 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 52 | $3 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 46 | $15 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 44 | $77 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 189 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 2,377 | 205 |
| Trazodone Hcl | 1,532 | 74 |
| Amlodipine Besylate | 1,338 | 163 |
| Levothyroxine Sodium | 988 | 49 |
| Lisinopril | 888 | 71 |
| Gabapentin | 861 | 58 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 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
- 2005-12-20
- Last updated
- 2023-09-22
- Certified
- 2023-09-22
Frequently asked questions
- What is Oksana Kloyzner's NPI number?
- Oksana Kloyzner's National Provider Identifier (NPI) is 1093791204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oksana Kloyzner's specialty?
- Oksana Kloyzner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Oksana Kloyzner located?
- Oksana Kloyzner's practice location on file with NPPES is 701 Cottage Grove Rd, Bloomfield, CT 06002-3080.
- What is Oksana Kloyzner's phone number?
- The practice phone number listed in the NPPES registry for Oksana Kloyzner is (860) 242-4000.
- Does Oksana Kloyzner accept Medicare?
- Oksana Kloyzner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oksana Kloyzner's NPI active?
- Yes — Oksana Kloyzner's NPI (1093791204) is active in the NPPES registry as of the last update on 2023-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.