Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Alexei Michailovich Zhadkevich, MD

Individual provider Internal Medicine Physician · NPI 1760642268

Alexei Michailovich Zhadkevich, MD practises Internal Medicine in Wailuku, Hawaii. Graduated from Medical University of South Carolina College of Medicine in 2008, 18 years ago. Practices with Impact Physician Group South Carolina LLC, a 9-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Hawaii, Massachusetts, South Carolina and Washington.

Years since qualifying
18
Trained at
Medical University of South Carolina College of Medicine
Licensed in
HI, MA, SC, WA
In the registry since
2008
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

221 Mahalani St
Wailuku, HI 96793-2526
Phone: (808) 442-5503
Fax: (808) 442-5512
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 939 Caroline St, Port Angeles, WA 98362-3997 — (360) 417-7000

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD61429690 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD-21910 (HI)
Hospitalist Physician Taxonomy 208M00000X · Licence 38559 (SC)
Hospitalist Physician Taxonomy 208M00000X · Licence MD-21910 (HI)
Surgery Physician Taxonomy 208600000X · Licence L-237496 (MA)

Record details

NPI number1760642268
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2008
Last updated in NPPESAugust 15, 2023
Certification dateAugust 14, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL UNIVERSITY OF SOUTH CAROLINA COLLEGE OF MEDICINE
Graduated 2008 (18 years in practice)
Group practice Impact Physician Group South Carolina Llc — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients505
Services billed 1,525 a service is one billed item, such as a visit, a test or a procedure
Average patient age78

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Beaufort County Memorial Hospital Hospital · Beaufort, SC
  • Trident Medical Center Hospital · Charleston, SC · listed as Trident Medical Center, LLC
  • Colleton Medical Center Hospital · Walterboro, SC
  • Amedisys Home Health Of Charleston East Home health agency · Charleston, SC

Also affiliated with 1 inpatient rehabilitation facility, which CMS identifies by certification number only.

Colleagues at Impact Physician Group South Carolina LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 9 clinicians in the practice; 5 are shown here.

Other providers in Wailuku