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

William J Baier, MD

Individual provider Pediatric Adolescent Medicine Physician · NPI 1043275159

William J Baier, MD is a Pediatric Adolescent Medicine Physician in Lockport, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
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

139 Professional Pkwy
Lockport, NY 14094
Phone: (716) 433-6711
Fax: (716) 433-0546
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 141577 (NY)
Pediatric Adolescent Medicine Physician Taxonomy 2080A0000X · Licence 141577 (NY)

Record details

NPI number1043275159
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 20, 2006
Last updated in NPPESMarch 29, 2012
Mailing address139 Professional Parkway, Lockport, NY 14094

Other providers in Lockport