DR. JOHN M ELSER MD
NPI 1982677894
Internal Medicine in Naugatuck, CT
About Dr. John M Elser Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN M ELSER MD (NPI 1982677894) is an individual internal medicine provider in Naugatuck, Connecticut, licensed in Connecticut (026476) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Connecticut School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John M Elser Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06770 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NAUGATUCK, CT 06770
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Elser's NPI number?
The NPI number for John Elser is 1982677894. It was assigned to this individual provider in the NPPES registry on February 10, 2006.
Where is John Elser located?
John Elser practices at 305 Church St, Naugatuck, CT 06770. The listed phone number is (203) 729-6641.
What is John Elser's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Elser enrolled in Medicare?
Yes. John Elser is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for John Elser was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.