Individual Healthcare Provider
Jonathan D. Vacik, MD
Provider's NPPES record last updated: November 30, 2020
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1528129640
- Primary Specialty
- Emergency Medicine
- Practice Location
- Ayer, Massachusetts
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 2:32 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Emergency Medicine
Allopathic & Osteopathic Physicians
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Taxonomy code 207P00000X Emergency Medicine
Emergency Medical Services
Allopathic & Osteopathic Physicians
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
Taxonomy code 207PE0004X
Provider-Reported License Information
- Emergency Medicine (Massachusetts)
- 220308
- Emergency Medicine (New Hampshire)
- 12824
Practice Locations
Practice Location
200 Groton Rd
Ayer, Massachusetts 01432-1168
Phone: (978) 784-9000
Additional Practice Location
55 Lake Ave N
Worcester, Massachusetts 01655-0002
Phone: (508) 421-1400
Fax: (508) 421-1490
Additional Practice Location
157 Union St
Marlborough, Massachusetts 01752-1228
Phone: (508) 421-1400
Fax: (508) 421-1490
Additional Practice Location
510 N Main St
Leominster, Massachusetts 01453-1814
Phone: (508) 421-1400
Fax: (508) 421-1490
Additional Practice Location
60 Hospital Rd
Leominster, Massachusetts 01453-2205
Phone: (508) 421-1400
Fax: (508) 421-1490
Additional Practice Location
201 Highland St
Clinton, Massachusetts 01510-1037
Phone: (508) 421-1400
Fax: (508) 421-1490
Additional Practice Location
119 Belmont St
Worcester, Massachusetts 01605-2903
Phone: (508) 421-1400
Fax: (508) 421-1490
Additional Practice Location
100 Mcgregor St
Manchester, New Hampshire 03102-3730
Phone: (603) 663-6472
Fax: (603) 663-6645
Record Information
- Enumeration Date
- December 12, 2006
- Provider's NPPES Record Last Updated
- November 30, 2020
- Certification Date
- November 30, 2020
- NPISignal NPPES Dataset
- August 2026
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