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

William H Bailey, DO

Individual provider Emergency Medicine Physician · NPI 1184612863

William H Bailey, DO is an Internal Medicine in Pittsburgh, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 1990, 36 years ago. Practices with Ahn Hospitalist Group Ltd, a 70-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
36
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2005
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

4800 Friendship Ave Emerg Med Western Penna Hospital
Pittsburgh, PA 15224-1722
Phone: (412) 578-5442
Fax: (412) 578-1144
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence OS007513L (PA)

Record details

NPI number1184612863
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 7, 2005
Last updated in NPPESMarch 7, 2023
Mailing address4800 Friendship Ave, Emerg Med Western Penna Hospital, Pittsburgh, PA 15224-1722

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1990 (36 years in practice)
Group practice Ahn Hospitalist Group Ltd — 70 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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