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

Patrick A Siaw, MD

Individual provider Internal Medicine Physician · NPI 1922039213

Patrick A Siaw, MD is an Internal Medicine in Buffalo, New York. Qualified in 1989, 37 years ago. Practices with Physician Mobile Medical Care PC, a 93-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
37
Licensed in
NY
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2157 Main St
Buffalo, NY 14214-2648
Phone: (716) 862-1984
Fax: (716) 862-1891
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 211163 (NY)

Record details

NPI number1922039213
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESDecember 7, 2011
Mailing address2157 Main St, Buffalo, NY 14214-2648

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Group practice Physician Mobile Medical Care Pc — 93 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Buffalo