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Family Practice

Thiri S. Demars, MD

Works at hospitals in La Plata, MD · Maryland

Summary

Thiri S. Demars, MD (Family Practice) is listed by Medicare at 1 hospital in La Plata, MD. NPI 1235525510. 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 Thiri S. Demars, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
University Of Maryland School Of MedicineMedical school
FemaleGender (as listed)
MedStar Urgent Care LLCGroup practice (+2 more)

Quick answers

Which hospitals does Thiri S. Demars work at?
Medicare's official clinician data lists Thiri S. Demars at 1 hospital: University of MD Charles Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thiri S. Demars see patients?
Medicare's clinician data lists 4 practice locations, including Prince Frederick, MD, Solomons, MD and Charlotte Hall, MD. Call before your visit to confirm the address.
What is Thiri S. Demars's specialty?
Medicare lists Family Practice as the primary specialty.
Does Thiri S. Demars accept Medicare assignment?
Yes. Medicare's clinician data says Thiri S. Demars 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 Thiri S. Demars?
(410) 535-8180, as listed in official Medicare / NPI Registry data.
What is Thiri S. Demars's NPI number?
1235525510. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thiri S. Demars works

Medicare's Facility Affiliation Data lists Thiri S. Demars 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 Thiri S. Demars is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thiri S. Demars as a member of these groups (CMS data updated 2026-10-02).

  • MedStar Urgent Care LLC300 clinicians in the group
  • Calverthealth Medical Group, LLC51 clinicians in the group
  • Mdics at Civista LLC35 clinicians in the group

Specialties

Find other Family Practice doctors in Maryland →

Other family doctors in Prince Frederick

Clinicians with the same Medicare primary specialty in Prince Frederick, MD — not a recommendation.

All family doctors in Prince Frederick →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235525510
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