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Nephrology

Douglas E. Mesler, MD

Works at hospitals in Lowell, MA · Massachusetts

Summary

Douglas E. Mesler, MD (Nephrology) is listed by Medicare at 1 hospital in Lowell, MA. NPI 1205827185. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Douglas E. Mesler, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

NephrologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
35Years since medical school (graduated 1991)
MaleGender (as listed)
Nephrology Asssociates of the Merrimack Valley PCGroup practice

Quick answers

Which hospitals does Douglas E. Mesler work at?
Medicare's official clinician data lists Douglas E. Mesler at 1 hospital: Lowell General Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Douglas E. Mesler see patients?
Medicare's clinician data lists 1 practice location in Tewksbury, MA. Call before your visit to confirm the address.
What is Douglas E. Mesler's specialty?
Medicare lists Nephrology as the primary specialty.
Does Douglas E. Mesler accept Medicare assignment?
Yes. Medicare's clinician data says Douglas E. Mesler accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Douglas E. Mesler offer telehealth?
Medicare's clinician data says Douglas E. Mesler offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Douglas E. Mesler?
(978) 432-1811, as listed in official Medicare / NPI Registry data.
What is Douglas E. Mesler's NPI number?
1205827185. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Douglas E. Mesler works

Medicare's Facility Affiliation Data lists Douglas E. Mesler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Douglas E. Mesler is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Douglas E. Mesler as a member of this group (CMS data updated 2026-10-02).

  • Nephrology Asssociates of the Merrimack Valley PC4 clinicians in the group

Specialties

Find other Nephrology doctors in Massachusetts →

Other nephrologists in Tewksbury

Clinicians with the same Medicare primary specialty in Tewksbury, MA — not a recommendation.

All nephrologists in Tewksbury →

Clinician information

CredentialMD
Graduation year1991
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1205827185
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians