Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Michael C. Danielski, MD

Works at hospitals in Rochester, NH · Wolfeboro, NH · Portsmouth, NH … · New Hampshire, Maine

Summary

Michael C. Danielski, MD (Internal Medicine) is listed by Medicare at 5 hospitals in Rochester, NH, Wolfeboro, NH and Portsmouth, NH and other places. NPI 1114918984. 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 Michael C. Danielski, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
28Years since medical school (graduated 1998)
University Of Vermont College Of MedicineMedical school
MaleGender (as listed)
Seacoast Kidney and Hypertension Specialists, P.L.L.C.Group practice

Quick answers

Which hospitals does Michael C. Danielski work at?
Medicare's official clinician data lists Michael C. Danielski at 5 hospitals: Frisbie Memorial Hospital, Huggins Hospital, Portsmouth Regional Hospital, Wentworth-Douglass Hospital and York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Michael C. Danielski see patients?
Medicare's clinician data lists 1 practice location in Portsmouth, NH. Call before your visit to confirm the address.
What is Michael C. Danielski's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Nephrology.
Does Michael C. Danielski accept Medicare assignment?
Yes. Medicare's clinician data says Michael C. Danielski 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.
What is the phone number for Michael C. Danielski?
(603) 436-3433, as listed in official Medicare / NPI Registry data.
What is Michael C. Danielski's NPI number?
1114918984. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Michael C. Danielski works

Medicare's Facility Affiliation Data lists Michael C. Danielski 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 Michael C. Danielski is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Michael C. Danielski as a member of this group (CMS data updated 2026-10-02).

  • Seacoast Kidney and Hypertension Specialists, P.L.L.C.7 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Hampshire →

Other internal medicine doctors in Portsmouth

Clinicians with the same Medicare primary specialty in Portsmouth, NH — not a recommendation.

All internal medicine doctors in Portsmouth →

Clinician information

CredentialMD
Medical schoolUniversity Of Vermont College Of Medicine
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1114918984
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