Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. William Henry Niemeyer III, PA-C

Individual provider Physician Assistant · NPI 1861435679

Mr. William Henry Niemeyer III, PA-C is a Physician Assistant in Avon, Connecticut. Works from 3 locations. Licensed in Connecticut, Illinois and Rhode Island.

Licensed in
CT, IL, RI
In the registry since
2006
Specialties on file
3
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

385 W Main St
Avon, CT 06001-4357
Phone: (860) 777-1280
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1750 E Lake Shore Dr, Decatur, IL 62521-3803 — (317) 364-0833
  • 310 Maple Ave, Barrington, RI 02806-3430 — (401) 903-0300

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085-001528 (IL)
Physician Assistant Taxonomy 363A00000X · Licence PA01134 (RI)
Physician Assistant Taxonomy 363A00000X · Licence 004173 (CT)

Record details

NPI number1861435679
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESSeptember 21, 2020
Certification dateSeptember 21, 2020

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