OLEG I KRIJANOVSKI (MD, PHD) – Hematology & Oncology Physician, NPI 1841376704

OLEG I KRIJANOVSKI (MD, PHD) is a healthcare provider. based in Ann arbor, Michigan. specializing in HEMATOLOGY/ONCOLOGY, INTERNAL MEDICINE. They hold the professional credentials MD, PHD. They hold a License No. 4301074606 (MI). The NPI Number for OLEG I KRIJANOVSKI (MD, PHD) is 1841376704

Main info

Male
41 Years Of Experience
Accepts Medicare Assignment
Name
OLEG I KRIJANOVSKI (MD, PHD)
NPI
1841376704
Phone
(734) 936-2047
Address
3621 S STATE ST
Enumeration Date
31 October 2006
Last Update Date
7 February 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9164546600
Graduation Year
1985 (41 years ago)
PAC ID
8325073695
Group Practice PAC ID
9830094515
Professional Enrollment ID
I20081113000496
Address ID
CA958166039SA2825XAVEX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience81
Completeness75
Years active:19State licenses:2Digital endpointsOther names

476 HEMATOLOGY/ONCOLOGY in MI

Provider Addresses for OLEG I KRIJANOVSKI (MD, PHD)

  • South State Street, Ann Arbor, Washtenaw County, Michigan, 48108-1774, United States

    700 KMS PLACE

    ANN ARBOR, MI 48108

    Phone: (734) 936-2047

    Type: Mailing

  • 1500 East Medical Center Dr

    B1 floor Cancer & Geriatrics Ctr Recp B

    Ann Arbor, MI 481090912

    Phone: (734) 936-9020

    Type: Location

  • 3687 Mt Diablo Blvd Ste 200

    Lafayette, CA 945493746

    Phone: (866) 681-0745

    Type: Location

  • 325 DISTEL CIR

    LOS ALTOS, CA 940221408

    Phone: (510) 204-1591

    Fax: (510) 204-6440

    Type: Mailing

  • 2001 DWIGHT WAY

    BERKELEY, CA 947042608

    Phone: (510) 204-1591

    Fax: (510) 204-6440

    Type: Location

  • Mott Children's Hospital and Von Voigtlander Women's Hospital, 1500, East Medical Center Drive, Ann Arbor, Washtenaw County, Michigan, 48109, United States

    B1 FLOOR CANCER & GERIATRICS CTR RECP B

    ANN ARBOR, MI 481090912

    Phone: (734) 936-9020

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 34 Open Payments records for all available years, with a total value of $21,094.

Total Amount is formed as General ($19,638) + Research ($1,456) + Ownership ($0) = $21,094.

Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Incyte Corporation ($15,133).

Total Amount

$21,094

General + Research + Ownership

Payments

34

Total payment records

General Amount

$19,638

General payments

Research Amount

$1,456

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-23

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-11-13

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20081113000496IHematology/OncologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes628227$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes48153$0
99215Established patient office or other outpatient visit, 40-54 minutes348129$0
99213Established patient office or other outpatient visit, 20-29 minutes224159$0
99205New patient office or other outpatient visit, 60-74 minutes6464$0
View full utilization report →

Insurance plans in this area (ZIP 48108)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9830094515View full group profile
NameSpecialtyState
Diagnostic RadiologyCA
Diagnostic RadiologyCA
Internal MedicineCA
-CA
Family PracticeCA
-CA
-CA
Allergy/Immunology, RheumatologyCA
Physician AssistantCA
Physician AssistantCA

Reviews

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Frequently asked questions

Can I verify OLEG I KRIJANOVSKI (MD, PHD) with an NPI only?
You can start verification with NPI 1841376704 for OLEG I KRIJANOVSKI (MD, PHD), then check state licensing separately.
Does the file indicate OLEG I KRIJANOVSKI (MD, PHD) is practicing under active NPI?
Directory data currently reports OLEG I KRIJANOVSKI (MD, PHD) as active.
What healthcare role does OLEG I KRIJANOVSKI (MD, PHD) hold?
Scheduling teams often label OLEG I KRIJANOVSKI (MD, PHD) under Hematology & Oncology Physician. Clinical services aligned with this taxonomy classification.
Does OLEG I KRIJANOVSKI (MD, PHD) list a practice location?
Patients near Ann Arbor, Michigan may find OLEG I KRIJANOVSKI (MD, PHD) in results; validate coverage separately.
Is the information about OLEG I KRIJANOVSKI (MD, PHD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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