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

Mr. Robert Jay Williams, PAC

Individual provider Surgical Physician Assistant · NPI 1639208697

Mr. Robert Jay Williams, PAC is a Physician Assistant in Houston, Texas. Qualified in 1993, 33 years ago. Practices with David J Macdougall DO PA, a 2-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
33
Licensed in
TX
In the registry since
2007
What do these letters mean?
PAC — Physician Assistant, Certified
A physician assistant holding current national certification; usually written PA-C.

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Practice location Address checks out

6410 Fannin #1115
Houston, TX 77030
Phone: (713) 795-5300
Fax: (713) 795-0030
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Physician Assistant (primary) Taxonomy 363AS0400X · Licence PA00919 (TX)

Record details

NPI number1639208697
Entity typeIndividual (Type 1)
GenderMale
Credentials PAC
Sole proprietorNo
NPI enumeratedMarch 5, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice David J Macdougall Do Pa — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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