Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Jonathan D. Vacik, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1528129640

Jonathan D. Vacik, MD practises Emergency Medicine in Ayer, Massachusetts. Graduated from University of South Alabama College of Medicine in 2001, 25 years ago. Practices with Northeastern Vermont Regional Hospital Inc, a 105-clinician group, works from 8 locations and accepts Medicare assignment. Licensed in Massachusetts and New Hampshire.

Years since qualifying
25
Trained at
University of South Alabama College of Medicine
Licensed in
MA, NH
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

200 Groton Rd
Ayer, MA 01432-1168
Phone: (978) 784-9000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (7)

  • 201 Highland St, Clinton, MA 01510-1037 — (508) 421-1400
  • 60 Hospital Rd, Leominster, MA 01453-2205 — (508) 421-1400
  • 510 N Main St, Leominster, MA 01453-1814 — (508) 421-1400
  • 157 Union St, Marlborough, MA 01752-1228 — (508) 421-1400
  • 119 Belmont St, Worcester, MA 01605-2903 — (508) 421-1400
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 421-1400
  • 100 McGregor St, Manchester, NH 03102-3730 — (603) 663-6472

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 220308 (MA)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence 12824 (NH)

Record details

NPI number1528129640
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 12, 2006
Last updated in NPPESNovember 30, 2020
Certification dateNovember 30, 2020

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF SOUTH ALABAMA COLLEGE OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Northeastern Vermont Regional Hospital Inc — 105 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients152
Services billed 171 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Northeastern Vermont Regional Hospital Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 105 clinicians in the practice; 12 are shown here.

Other providers in Ayer