Doctor profile · Federal record

Dr. Thiri Demars, M.D., M.P.H. (C)

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Solomons, MD

  • NPI 1235525510
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
14090 Hg Trueman RD Ste 2100
Solomons, MD 206883151
(410) 394-3712
fax (410) 394-3714
Additional location
110 Hospital RD Ste And111
Prince Frederick, MD 206784019
(410) 535-4488
fax (443) 771-8114
Mailing address
100 Hospital RD
Prince Frederick, MD 206784017

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
May 9, 2025
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Maryland #D0093116 · Pennsylvania #MD463969

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235525510. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
279
Distinct HCPCS
10
Medicare allowed
$22,527
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 80 80 $130
87804 Detection test by immunoassay with direct visual observation for influenza virus 44 22 $16
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 42 42 $35
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $170
81003 Automated urinalysis test 21 21 $2
99213 Established patient office or other outpatient visit, 20-29 minutes 21 21 $92
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 13 13 $16
82962 Blood glucose (sugar) test performed by hand-held instrument 12 12 $3
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $115
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $225

In context: peer comparison

Among 1 peers in this city , average services per provider: 27. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
77
Patients
77
Total drug cost
$1,058
Drug Type Claims Patients Total cost
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 24 24 $249
Ipratropium Bromide Generic 21 21 $572
Lagevrio (Eua) (Molnupiravir) Brand 20 20 $210
Prednisone Generic 12 12 $28

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thiri Demars's medical specialty?
Dr. Thiri Demars practices Family Medicine Physician in Solomons, MD.
Where does Dr. Thiri Demars practice?
Dr. Thiri Demars practices at 14090 Hg Trueman RD Ste 2100, Solomons, MD 206883151. Office phone: 4103943712.
What is Dr. Thiri Demars's NPI?
Dr. Thiri Demars's National Provider Identifier (NPI) is 1235525510, issued by NPPES.
Does Dr. Thiri Demars accept Medicare assignment?
Yes. Dr. Thiri Demars accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thiri Demars commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Detection test by immunoassay with direct visual observation for influenza virus (HCPCS 87804); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426). Source: CMS Medicare Physician & Other Practitioners file.