Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Andrew Vrolyk
Physician Assistant in Waltham, MA · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598222168
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Michael Andrew Vrolyk
Sex Male
Practice address 52 Second Ave, Waltham, MA, 02451
Phone (177) 249-3386
Enumeration date Mar 1, 2019
Last updated in NPPES Apr 1, 2022
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA6899 (MA) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Michael Vrolyk?
The National Provider Identifier (NPI) for Michael Vrolyk is 1598222168, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Vrolyk practice?
The practice location on file with NPPES is in Waltham, MA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Robert Schainfeld Internal Medicine Physician · Waltham, MA NPI 1740278118 Natasha Edwards Family Nurse Practitioner · Waltham, MA NPI 1942540737 Margaret Fallon Pediatrics Physician · Waltham, MA NPI 1780104968 Rebecca Blake Physician Assistant · Waltham, MA NPI 1043700214 Yiming Yu Physician Assistant · Waltham, MA NPI 1255070413 Matthew Dimatteo Family Nurse Practitioner · Waltham, MA NPI 1992687149 Cristin Lavita Pediatric Registered Nurse · Waltham, MA NPI 1154265726
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-01.