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

Mark J Vanviegen, ENP/FNP-BC

Individual provider Family Nurse Practitioner · NPI 1477541779

Mark J Vanviegen, ENP/FNP-BC is a Nurse Practitioner in Buffalo, New York. Qualified in 1999, 27 years ago. Practices with Kentucky Em-I Medical Services PSC, a 42-clinician group and accepts Medicare assignment. Licensed in Connecticut, Florida, Kentucky and Massachusetts and 3 more.

Years since qualifying
27
Licensed in
CT, FL, KY, MA, NC, NY
In the registry since
2005
Specialties on file
10
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

266 Elmwood Ave Ste 428
Buffalo, NY 14222-2202
Phone: (919) 426-1756
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

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence F350568-01 (NY)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 149084 (NC)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 4053567 (KY)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence RN10029872 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence F350568 (NY)
Nurse Practitioner Taxonomy 363L00000X · Licence 4053567 (KY)
Nurse Practitioner Taxonomy 363L00000X · Licence 005002286 (NC)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 11846 (WI)
Nurse Practitioner Taxonomy 363L00000X · Licence 14586 (CT)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence NP3029682 (FL)

Record details

NPI number1477541779
Entity typeIndividual (Type 1)
GenderMale
Credentials ENP/FNP-BC
Sole proprietorNo
NPI enumeratedOctober 11, 2005
Last updated in NPPESJune 4, 2026
Certification dateJune 4, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Kentucky Em-I Medical Services Psc — 42 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Buffalo