Oleg Krijanovski, MD, PHD
NPI 1841376704 · Hematology & Oncology Physician · Berkeley, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oleg Krijanovski, MD, PHD is a Hematology & Oncology Physician provider in Berkeley, CA (NPI 1841376704).
Provider details
- NPI number
- 1841376704
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301074606 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,525 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 | 668 | $109 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 641 | $19 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 428 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 399 | $161 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 248 | $74 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 176 | 35 |
| Apixabanbrand: Eliquis | 136 | 23 |
| Hydroxyurea | 75 | 13 |
| Dexamethasone | 66 | 19 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 61 | 11 |
| Rivaroxabanbrand: Xarelto | 57 | 11 |
| Amlodipine Besylate | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$506 across 9 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
Additional practice locations (2)
- 3687 Mt Diablo Blvd Ste 200Lafayette, CA 94549-3746Phone: (866) 681-0745
- 1500 East Medical Center DrB1 Floor Cancer & Geriatrics Ctr Recp BAnn Arbor, MI 48109-0912Phone: (734) 936-9020
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2025-02-07
- Certified
- 2025-02-07
Frequently asked questions
- What is Oleg Krijanovski's NPI number?
- Oleg Krijanovski's National Provider Identifier (NPI) is 1841376704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oleg Krijanovski's specialty?
- Oleg Krijanovski is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Oleg Krijanovski located?
- Oleg Krijanovski's practice location on file with NPPES is 2001 Dwight Way, Berkeley, CA 94704-2608.
- What is Oleg Krijanovski's phone number?
- The practice phone number listed in the NPPES registry for Oleg Krijanovski is (510) 204-1591.
- Does Oleg Krijanovski accept Medicare?
- Oleg Krijanovski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oleg Krijanovski's NPI active?
- Yes — Oleg Krijanovski's NPI (1841376704) is active in the NPPES registry as of the last update on 2025-02-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.