NPPES file of Aug 9, 2026

Boris Tkach, DO

Anesthesiology Physician · Hilo, HI

Boris Tkach, DO is an anesthesiology physician with a practice address in Hilo, Hawaii, and NPI 1518496942, issued on Jun 8, 2017. Check the license (Hawaii DOS-2127, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518496942
Name
Boris Tkach
Credential
DO
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
DOS-2127 HI
Self-reported in NPPES; status is on the state search
Practice location
1190 Waianuenue Ave, Hilo, HI 96720
Phone
(808) 932-3000
Enumerated
Jun 8, 2017
Record last updated
Nov 13, 2025
Medicare enrollment
Enrolled (PECOS I20220607002762); accepts Medicare assignment
Medical or professional school
Touro Un Col Of Osteopathic Medicine, Henderson, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1190 Waianuenue Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Parirash Abdolhosseini, MDStudent in an Organized Health Care Education/Training Program1790470904
  2. Russell Adwan, MDPediatrics Physician1184291866
  3. Joseph Aoki, MDAnatomic Pathology & Clinical Pathology Physician1083827000
  4. Harman Arora, MDEmergency Medicine Physician1932369725
  5. Drew Arruda-AkinePharmacist1952232563
  6. Noemi Arzaga, DNP, FNP-BCNurse Practitioner1336508563

Verify Boris Tkach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license DOS-2127
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2 hospitals and group practices

  1. Hilo Benioff Medical CenterHilo, HI · Acute Care Hospitals3 of 5 stars
  2. Kauai Medical ClinicLihue, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Boris Tkach among 231 anesthesiology physician records in Hawaii

Boris Tkach, DO is one of 231 anesthesiology physician records with a practice address in Hawaii. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 87% of them.

  • NPI issued2017 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2017 · median 2004 among the 142 with a school on file
  • Record last updated2025 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Hawaii

There are 231 anesthesiology physician records in Hawaii.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Shannon Bianchi, MDHilo, HI 967201962664672
  2. Kyle Cabison, MDHilo, HI 967201093206187
  3. Danny Chaung, D.O.Hilo, HI 967201801194048
  4. Steven Garon, MDHilo, HI 967201083668701
  5. Ninette Hart, MDHilo, HI 967201689672388
  6. Torrey LynchHilo, HI 967201861422032
  7. Steven Nelson, M.D.Hilo, HI 967201245764265
  8. Melanie Ng, D.O.Hilo, HI 967201851825046

Common questions

What is Boris Tkach, DO's NPI number?

Boris Tkach, DO's National Provider Identifier (NPI) is 1518496942, issued on Jun 8, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Boris Tkach, DO located?

The NPPES record lists a practice address at 1190 Waianuenue Ave, Hilo, HI, 96720. Phone: (808) 932-3000. Providers update this record themselves, so call before visiting.

How can I verify Boris Tkach, DO's license?

NPPES lists Hawaii license number DOS-2127, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.