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

William F Entriken Jr., DO

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1932193505

William F Entriken Jr., DO is an Emergency Medicine in Hattiesburg, Mississippi. Qualified in 1991, 35 years ago. Practices with Emergency Medicine Services of Fl LLC, a 665-clinician group and accepts Medicare assignment. Licensed in Mississippi and Texas.

Years since qualifying
35
Licensed in
MS, TX
In the registry since
2005
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

5001 Hardy St
Hattiesburg, MS 39402-1308
Phone: (601) 268-8000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence P0047 (TX)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence 14207 (MS)

Record details

NPI number1932193505
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 9, 2005
Last updated in NPPESDecember 11, 2024
Certification dateNovember 16, 2022

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Emergency Medicine Services Of Fl Llc — 665 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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