Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John M Elser, MD

Individual provider Internal Medicine Physician · NPI 1982677894

Dr. John M Elser, MD is an Internal Medicine in Naugatuck, Connecticut. Graduated from University of Connecticut School of Medicine in 1983, 43 years ago. Practices with Prospect CT Medical Foundation Inc, a 289-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
43
Trained at
University of Connecticut School of Medicine
Licensed in
CT
In the registry since
2006
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

305 Church St
Naugatuck, CT 06770-2836
Phone: (203) 729-6641
Fax: (203) 729-3206
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 026476 (CT)

Record details

NPI number1982677894
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 10, 2006
Last updated in NPPESJuly 13, 2026
Mailing address1625 Straits Tpke, Suite #201, Middlebury, CT 06762-1805

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CONNECTICUT SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Prospect Ct Medical Foundation Inc — 289 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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