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OLEG I KRIJANOVSKI MD, PHD
NPI 1841376704
Internal Medicine - Hematology & Oncology in Berkeley, CA

Active since October 31, 2006PECOS EnrolledAccepts Medicare Assignment
2001 DWIGHT WAY, BERKELEY, CA 94704(510) 204-1591(510) 204-6440 Get Directions Write a Review

NPPES record last updated: February 7, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 7, 2025, Mar 8, 2021 (2 updates tracked since 2021).

About Oleg I Krijanovski Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OLEG I KRIJANOVSKI MD, PHD (NPI 1841376704) is an individual hematology & oncology provider in Berkeley, California, licensed in California (A105568) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1841376704
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameOLEG I KRIJANOVSKICredential: MD, PHD
Location Address2001 DWIGHT WAYBerkeley, CA 94704-2608
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (510) 204-1591 · Fax (510) 204-6440
Phone(510) 204-1591
Fax(510) 204-6440
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateOctober 31, 2006
Last NPPES UpdateFebruary 7, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2025
✔ NPI 1841376704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A105568
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 4301074606 (MI)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 4301074606 (MI), A105568 (CA)
2001 DWIGHT WAY, Berkeley, CA 94704
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Secondary Practice Locations 2

Location 13687 Mt Diablo Blvd Ste 200Lafayette, CA 94549-3746 · Phone (866) 681-0745
Location 21500 East Medical Center Dr, B1 floor Cancer & Geriatrics Ctr Recp BAnn Arbor, MI 48109-0912 · Phone (734) 936-9020

Other Identifiers 1

OtherA105568CA · State Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Oleg I Krijanovski Md, Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325073695
PECOS Enrollment IDI20081113000496
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
668 services248 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
428 services62 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
399 services145 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
248 services172 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
60 services60 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
54 services49 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94704 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANTHONY ADRIAN RIENZI M.D.
Psychiatry & Neurology (Psychiatry)
2001 DWIGHT WAY, SUITE 4190
BERKELEY, CA 94704
Alameda County (510) 204-4635
LINDSEY OLANDER
Speech-Language Pathologist
2001 DWIGHT WAY
BERKELEY, CA 94704
Alameda County (510) 204-1205
DR. DAIANA J HARPER M.D.
Psychiatry & Neurology (Psychiatry)
2001 DWIGHT WAY, SUITE 4190
BERKELEY, CA 94704
Alameda County (510) 204-4635
NORTHERN CALIFORNIA HEMATOLOGY AND ONCOLOGY CONSULTANTS, INC
Internal Medicine (Hematology & Oncology)
2001 DWIGHT WAY
BERKELEY, CA 94704
Alameda County (510) 204-6402
MS. PAMELA NICOLE PETERS
Obstetrics & Gynecology
2001 DWIGHT WAY
BERKELEY, CA 94704
Alameda County (510) 204-4444
DR. PATRICK SWIFT M.D.
Radiology (Radiation Oncology)
2001 DWIGHT WAY
BERKELEY, CA 94704
Alameda County (510) 204-2462
CENTER FOR HEALTH & INDEPENDENCE REHAB INC
Physical Medicine & Rehabilitation
2001 DWIGHT WAY, ROOM 2350
BERKELEY, CA 94704
Alameda County (510) 964-0458
CYNTHIA PEERY PTA
Physical Therapy Assistant
2001 DWIGHT WAY
BERKELEY, CA 94704
Alameda County (510) 204-4444

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oleg Krijanovski's NPI number?

The NPI number for Oleg Krijanovski is 1841376704. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is Oleg Krijanovski located?

Oleg Krijanovski practices at 2001 Dwight Way, Berkeley, CA 94704. The listed phone number is (510) 204-1591.

What is Oleg Krijanovski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Oleg Krijanovski enrolled in Medicare?

Yes. Oleg Krijanovski is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Oleg Krijanovski was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.