Dr. Tatjana Kolevska, MD

  • Vallejo, CA
  • Hematologist and oncologist
NPI1760554596PAC ID7517958077
Part D claims, 2024
130
Publications
43
Clinical trials
16
Hospital affiliations
1
Medical group
1
Practice address
975 Sereno Dr, Vallejo, CA 94589
Practice phone
Call (707) 651-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vallejo Medical Center

Hospital · Vallejo, California

See all 4 affiliations

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Dr. Tatjana Kolevska is a hematologist and oncologist in Vallejo, California

Dr. Kolevska practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.

Dr. Kolevska's NPI, 1760554596, was assigned on November 15, 2006. Dr. Kolevska graduated from University of Zagreb Faculty of Medicine in 1986. Dr. Kolevska holds California license A79150.

NPI and contact details
Medicare PAC ID
7517958077
NPI enumeration date
November 15, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(707) 651-1000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Tatjana Kolevska practices at Vallejo Medical Center in Vallejo, California

Dr. Kolevska's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.

Source: Dmand AI Affiliation Data

Dr. Tatjana Kolevska is affiliated with 3 sites of care and 1 medical group

Dr. Kolevska's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Kolevska to 1 more home health agency and 1 hospice, each named with a free account.

See all 4 affiliations for Dr. Kolevska

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Tatjana Kolevska's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kolevska practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vallejo Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Tatjana Kolevska is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Dr. Kolevska's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Kolevska is board certified in medical oncology by the American Board of Internal Medicine. Dr. Kolevska is licensed in California.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense A79150 · 2002 to 2026 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Kolevska

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Tatjana Kolevska's patients have a median age of 45

Across all payers, Dmand AI patient panel data puts Dr. Kolevska's median patient age at 45, with 56% women.

Dr. Kolevska's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women56%
  • Men44%

Source: Dmand AI Patient Panel Data

Dr. Tatjana Kolevska wrote 130 Medicare Part D claims in 2024

In 2024, Dr. Kolevska wrote 130 Medicare Part D claims for 38 patients. 72% of them were for generic drugs. CMS names the drug for 42 of them, across 3 drugs with 11 or more claims each, at $385,171 in total drug cost. In 2023, CMS named 64 claims across 5 drugs.

Part D claims, 2024130
Drugs named by CMS3
Total drug cost$385,171
Part D patients38

Dr. Kolevska's Part D claims by kind of drug, 2024

  • Generic94 claims72%
  • Brand-name36 claims28%

Dr. Kolevska's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 642024: 4234%

Drugs named by CMS: 3 in 2024, 5 in 2023.

See all prescribing by Dr. Kolevska

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Tatjana Kolevska takes part in Medicare

Dr. Kolevska accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Tatjana Kolevska has 43 publications on record

Dmand AI links 43 papers to Dr. Kolevska, published from 2010 to 2025. 2017 was the busiest year, with 4. The most frequent topics are Breast Neoplasms, Antineoplastic Combined Chemotherapy Protocols and COVID-19. Dr. Kolevska has published most often in JCO Clin Cancer Inform. Dr. Kolevska's most frequent co-authors are Raymond W. Liu, MD, Raymond Liu, MD and Jennifer Jane Griggs, MD, MPH.

Papers43
Years published2010 to 2025

Dr. Kolevska's papers by year, 2014 to 2025

Topics Dr. Kolevska writes about most

  • Breast Neoplasms
  • Antineoplastic Combined Chemotherapy Protocols
  • COVID-19
  • Telemedicine
  • Caregivers
  • Pandemics
  • Delivery of Health Care, Integrated
  • Medical Oncology

Dr. Kolevska's most frequent co-authors

Recent publications by Dr. Kolevska

See all 43 publications and co-authors

See who Dr. Kolevska researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kolevska works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Tatjana Kolevska has worked on 16 clinical trials

Dmand AI links Dr. Kolevska to 16 clinical trials, 9 of them phase 3 studies. 14 are still active or recruiting. Conditions studied include Melanoma, Nevi and Melanomas and Anal Canal Carcinoma. National Cancer Institute (NCI) sponsors the most, 11.

Clinical trials with Dr. Kolevska by phase

  1. NonePhase 1: no trials
  2. 3Phase 2: 3 trials
  3. 2Phase 2/3: 2 trials
  4. 9Phase 3: 9 trials
  5. NonePhase 4: no trials

Conditions in Dr. Kolevska's trials

  • Melanoma
  • Nevi and Melanomas
  • Anal Canal Carcinoma
  • Carcinoma, Non-Small-Cell Lung
  • Leukemia, Lymphocytic, Chronic, B-Cell

Investigators on the most trials with Dr. Kolevska

Recent clinical trials with Dr. Kolevska

See all 16 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Tatjana Kolevska has 1 award and honors on record

Dmand AI lists 1 award for Dr. Kolevska, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Kolevska

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Tatjana Kolevska graduated from University of Zagreb Faculty of Medicine

Dr. Kolevska graduated from University of Zagreb Faculty of Medicine in 1986. Dr. Kolevska is a member of ASCO.

  1. Medical schoolUniversity of Zagreb Faculty of Medicine
  2. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Tatjana Kolevska accepts plans from 2 insurance carriers

Dr. Kolevska is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Kolevska accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Tatjana Kolevska's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Tatjana Kolevska

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Tatjana Kolevska's NPI number?

Dr. Tatjana Kolevska's NPI number is 1760554596. It was assigned on November 15, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Tatjana Kolevska?

Dr. Tatjana Kolevska is a hematologist and oncologist in Vallejo, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Tatjana Kolevska practice?

Dr. Kolevska practices at 975 Sereno Dr, Vallejo, CA 94589. Dr. Kolevska's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Dr. Kolevska to 1 home health agency and 1 hospice.

What is Dr. Tatjana Kolevska's office phone number?

The practice phone on file for Dr. Kolevska is (707) 651-1000.

What is Dr. Tatjana Kolevska's medical license number?

Dr. Kolevska holds California license A79150.

Which hospitals is Dr. Tatjana Kolevska affiliated with?

Dr. Kolevska practices at Vallejo Medical Center in Vallejo, California.

What medical group is Dr. Tatjana Kolevska part of?

Dr. Kolevska is linked to The Permanente Medical Group, Inc.

Does Dr. Tatjana Kolevska accept Medicare?

Yes. CMS lists Dr. Kolevska as accepting Medicare assignment.

Is Dr. Tatjana Kolevska board certified?

Yes. Dr. Kolevska is board certified in medical oncology by the American Board of Internal Medicine.

Where did Dr. Tatjana Kolevska go to medical school?

Dr. Kolevska graduated from University of Zagreb Faculty of Medicine in 1986.

Show 5 more questionsShow fewer questions

What drugs does Dr. Tatjana Kolevska prescribe most?

In 2024 Medicare Part D data, Dr. Kolevska's most prescribed drugs by claims were Lenalidomide, Anastrozole and Tagrisso.

How long has Dr. Tatjana Kolevska been practicing?

Dr. Kolevska graduated from medical school in 1986, 40 years ago.

Does Dr. Tatjana Kolevska do research?

Dmand AI links 43 publications to Dr. Kolevska, published from 2010 to 2025. Dr. Kolevska has worked on 16 clinical trials.

Who does Dr. Tatjana Kolevska publish with?

Dr. Kolevska's most frequent co-authors are Raymond W. Liu, MD (14 shared papers), Raymond Liu, MD (9 shared papers) and Jennifer Jane Griggs, MD, MPH (8 shared papers).

What insurance does Dr. Tatjana Kolevska accept?

Dr. Kolevska is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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