Yelena Pristyazhnyuk
NPI 1184044927 · Hematology & Oncology Physician · Hartford, CT
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yelena Pristyazhnyuk is a Hematology & Oncology Physician provider in Hartford, CT (NPI 1184044927).
Provider details
- NPI number
- 1184044927
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 65171 (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
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
202 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 87 | $67 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $100 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 32 | $81 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 23 | $134 |
Typical Medicare-allowed amounts for these services range $67–$134 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 66 | 18 |
| Lenalidomidebrand: Revlimid | 58 | — |
| Zanubrutinibbrand: Brukinsa | 35 | — |
| Apixabanbrand: Eliquis | 22 | — |
| Dasatinibbrand: Sprycel | 22 | — |
| Gabapentin | 14 | — |
| Acalabrutinib Maleatebrand: Calquence | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,913 across 4 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
- 2014-04-20
- Last updated
- 2021-01-04
- Certified
- 2020-12-30
Frequently asked questions
- What is Yelena Pristyazhnyuk's NPI number?
- Yelena Pristyazhnyuk's National Provider Identifier (NPI) is 1184044927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yelena Pristyazhnyuk's specialty?
- Yelena Pristyazhnyuk is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Yelena Pristyazhnyuk located?
- Yelena Pristyazhnyuk's practice location on file with NPPES is Hhc Cancer Institute at Hartford Hospital, Hartford, CT 06106-2555.
- What is Yelena Pristyazhnyuk's phone number?
- The practice phone number listed in the NPPES registry for Yelena Pristyazhnyuk is (860) 249-6291.
- Does Yelena Pristyazhnyuk accept Medicare?
- Yelena Pristyazhnyuk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yelena Pristyazhnyuk's NPI active?
- Yes — Yelena Pristyazhnyuk's NPI (1184044927) is active in the NPPES registry as of the last update on 2021-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.