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

William Barrett Haynos, MD

Individual provider Specialist · NPI 1093786923

William Barrett Haynos, MD is a Cardiovascular Disease (Cardiology) in Danville, Pennsylvania. Graduated from Howard University College of Medicine in 1998, 28 years ago. Practices with Geisinger-Hm Joint Venture LLC, a 428-clinician group and accepts Medicare assignment. Licensed in Maryland and Pennsylvania.

Years since qualifying
28
Trained at
Howard University College of Medicine
Licensed in
MD, PA
In the registry since
2006
Specialties on file
2
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

100 N Academy Ave
Danville, PA 17822-4409
Phone: (570) 271-6523
Fax: (570) 271-8056
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence MD441895 (PA)
Specialist Taxonomy 174400000X · Licence D0063871 (MD)

Record details

NPI number1093786923
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 30, 2006
Last updated in NPPESAugust 10, 2020
Certification dateAugust 10, 2020
Mailing address100 N Academy Ave, Danville, PA 17822-4903

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolHOWARD UNIVERSITY COLLEGE OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Geisinger-Hm Joint Venture Llc — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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