NPPES file of Aug 9, 2026

William Treanor Hosek, M.D.

Emergency Medicine Physician · Jacksonville, NC

William Treanor Hosek, M.D. is an emergency medicine physician with a practice address in Jacksonville, North Carolina, and NPI 1558317453, issued on May 25, 2006. Check the license on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558317453
Name
William Treanor Hosek
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
D56957 MD
Self-reported in NPPES; status is on the state search
Practice location
317 Western Blvd, Jacksonville, NC 28546
Phone
(410) 577-2240
Enumerated
May 25, 2006
Record last updated
Jul 28, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicaid ID
23700100 MD
Medicare enrollment
Enrolled (PECOS I20100519000841); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 1990
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 317 Western Blvd

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

  1. Emiley Adams, BSN, RNStudent in an Organized Health Care Education/Training Program1578419446
  2. Theresa Alkire, M.ED., LPCProfessional Counselor1942543640
  3. John Almeida, M.D.Specialist1780717884
  4. Samuel Archino, FNP-BCNurse Practitioner1649005877
  5. Anuradha Arcot, M.D.Anatomic Pathology & Clinical Pathology Physician1033115761
  6. Ellis ArmondPhysician Assistant1386325744

Verify William Treanor Hosek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical BoardCheck 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 North Carolina license search

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13% fewer Medicare Part D claims than the average emergency medicine physician in 2024

197 Medicare Part D claims for 145 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. William Hosek197
  2. Specialty average226

Most prescribed

  1. Doxycycline Hyclate33 claims
  2. Cephalexin20 claims
  3. Prednisone17 claims
  4. Amoxicillin16 claims
  5. Albuterol Sulfate Hfa13 claims
  6. Azithromycin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Medac Health Services PAWilmington, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Treanor Hosek among 2,094 emergency medicine physician records in North Carolina

William Treanor Hosek, M.D. is one of 2,094 emergency medicine physician records with a practice address in North Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 61% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1990 · median 2012 among the 1,317 with a school on file
  • Record last updated2010 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in North Carolina

There are 2,094 emergency medicine physician records in North Carolina.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Alexis Eccleston, DOJacksonville, NC 285461073043196
  2. James Garrett, MDJacksonville, NC 285461508808726
  3. John Gudger, MDJacksonville, NC 285461477596336
  4. Terence Kolb, M.D.Jacksonville, NC 285461144488586
  5. Yvette Longoria, MDJacksonville, NC 285461134163058
  6. Tammy Reed, DOJacksonville, NC 285461124231097
  7. Xiomara Vance, MDJacksonville, NC 285461902290281
  8. Stephanie Wodowski, D.O.Jacksonville, NC 285461083877930

Common questions

What is William Treanor Hosek, M.D.'s NPI number?

William Treanor Hosek, M.D.'s National Provider Identifier (NPI) is 1558317453, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Treanor Hosek, M.D. located?

The NPPES record lists a practice address at 317 Western Blvd, Jacksonville, NC, 28546. Phone: (410) 577-2240. Providers update this record themselves, so call before visiting.

How can I verify William Treanor Hosek, M.D.'s license?

Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Treanor Hosek, M.D. prescribe under Medicare Part D?

In 2024, William Treanor Hosek, M.D. had 197 Medicare Part D claims for 145 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.