Thiri S Demars – Family Medicine Physician

Key facts

NPI: 1235525510
Entity type: Individual (NPI type 1)
Primary specialty: Family Medicine Physician 207Q00000X
License: D0093116 (MD)
Practice address: 14090 HG Trueman Rd Ste 2100
Solomons, MD 20688-3151
Phone: (410) 394-3712
Fax: (410) 394-3714
NPI assigned: Apr 13, 2015
Sex: Female
Sole proprietor: No

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Calverthealth Medical Group, LLC Family Medicine Physician · Prince Frederick, MD · NPI 1386871390

Medicare reassignment Care Compare group NPD FAMILY MEDICINE · MD
Mdics at Civista LLC Hospitalist Physician · La Plata, MD · NPI 1225323496

Medicare reassignment Care Compare group NPD MD
Medstar Urgent Care LLC Urgent Care Clinic/Center · Baltimore, MD · NPI 1902175870

Medicare reassignment NPD MD
Medstar Urgent Care, LLC Urgent Care Clinic/Center · Wheaton, MD · NPI 1871843409

Medicare reassignment NPD DC
Calverthealth Medical Group, LLC Prosthetic/Orthotic Supplier · Prince Frederick, MD · NPI 1598581084

Care Compare group
Calverthealth Medical Group, LLC Surgery Physician · Prince Frederick, MD · NPI 1134966062

NPD
Calverthealth Medical Group, LLC Family Medicine Physician · Solomons, MD · NPI 1396534418

NPD FAMILY MEDICINE
Medstar Urgent Care LLC General Practice Physician · Lexington Park, MD · NPI 1275410474

NPD
Medstar Urgent Care LLC Urgent Care Clinic/Center · Baltimore, MD · NPI 1942623319

NPD

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Civista Medical Center Inc Rural Acute Care Hospital · La Plata, MD · NPI 1992701825

Care Compare affiliation Hospital
Civista Medical Center, Inc. Physical Therapist · La Plata, MD · NPI 1689071219

Care Compare affiliation Hospital

Medicare Care Compare profile

Specialty: Family Practice
Education: Other, 2014
Medicare assignment: Accepts the Medicare-approved amount as payment in full
Group practices: Calverthealth Medical Group, LLC (50 clinicians)
Medstar Urgent Care LLC (300 clinicians)
Mdics at Civista LLC (35 clinicians)

Practice addresses (Care Compare)

14090 HG Trueman Rd
Suite 2100
Solomons, MD 20688-3151
Phone (410) 394-3712

37767 Market Dr
Charlotte Hall, MD 20622-3188
Phone (301) 290-1499

5 Garrett Ave
La Plata, MD 20646-5960
Phone (443) 949-0814

Hospital & facility affiliations

University of MD Charles Regional Medical Center Hospital · La Plata, MD · CCN 210035

Medicare participation

Medicare fee-for-service enrollment: Enrolled (2 enrollments) in MD, DC
Eligible to order & refer: Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment ID	State	Provider type	PAC ID	Details
I20220119001461	MD	Practitioner - Family Practice	9931481868	Reassigns benefits to 3 organizations
I20220119002086	DC	Practitioner - Family Practice	9931481868	Reassigns benefits to 1 organization

National Provider Directory

Medicare enrollment (NPD): Yes
Credentials: Doctor of Medicine

State licenses

License	State	Type	Specialty
D0093116	MD	MD	Family Medicine Physician

Practice roles

Organization	Specialty	Status	New patients
Calverthealth Medical Group, LLC	Family Medicine	Current	Accepting new patients
Calverthealth Medical Group, LLC		Current since Jun 22, 2025	Accepting new patients
Medstar Urgent Care, LLC		Current	Accepting new patients
Medstar Urgent Care LLC		Current since Jan 1, 2022	Accepting new patients
Medstar Urgent Care LLC		Current	Accepting new patients
Calverthealth Medical Group, LLC	Family Medicine	Current since Jun 22, 2025	Accepting new patients
Medstar Urgent Care LLC		Current since Jan 1, 2022	Accepting new patients
Mdics at Civista LLC		Current since May 1, 2025	Accepting new patients

Locations

1805 Columbia Rd NW
Washington, DC 20009
Phone (202) 797-4950

6317 York Rd
Baltimore, MD 21212
Phone (443) 777-6890

5 Garrett Ave
La Plata, MD 20646
Phone (301) 609-4000

8924 Chesapeake Ave
North Beach, MD 20714
Phone (410) 257-7279

110 Hospital Rd
Ste 110
Prnc Frederck, MD 20678
Phone (410) 535-4488

100 Hospital Rd
Prnc Frederck, MD 20678
Phone (410) 414-4791

14090 Hg Trueman Rd
Ste 2100
Solomons, MD 20688
Phone (410) 394-2700

3064 Waldorf Market Pl
Waldorf, MD 20603
Phone (301) 932-5960

11915 Georgia Ave
Wheaton, MD 20902
Phone (301) 942-4505

Interoperability endpoints

Direct secure messaging: tdemars1275273@direct.umm.edu
Direct secure messaging: thiri.demarsmd.p2@direct.msmg.nextgenshare.com

Specialties & licenses

Specialty (taxonomy)	Code	License	State	Primary
Family Medicine Physician	207Q00000X	MD463969	PA
Family Medicine Physician	207Q00000X	D0093116	MD	Yes

Addresses

Primary practice location

14090 HG Trueman Rd Ste 2100
Solomons, MD 20688-3151

Mailing address

100 Hospital Rd
Prince Frederick, MD 20678-4017
Phone (410) 414-4791

Other practice location 1

110 Hospital Rd Ste And111
Prince Frederick, MD 20678-4019
Phone (410) 535-4488

Other names

Dr. Thiri Sandar Bickel Former name

Other providers in Solomons, MD

All providers in Solomons, MD · Family Medicine Physician in Maryland

Sources for this page

NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on May 9, 2025. Information in NPPES is self-reported and not verified by CMS.
NUCC Health Care Provider Taxonomy: specialty names.
Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
Order and Referring (CMS).
Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.