Doctor profile · Federal record

Dr. Katherine Tsavaris, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Washington, DC

  • NPI 1720509854
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
900 23Rd St Nw
Washington, DC 200372342
(202) 741-3387

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
June 2, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
District of Columbia #MD210002413 · Pennsylvania #MT214424

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720509854. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
321
Distinct HCPCS
6
Medicare allowed
$35,402
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 166 68 $88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 52 52 $193
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 42 26 $132
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 26 14 $55
99238 Hospital discharge day management, 30 minutes or less 18 18 $90
99239 Hospital discharge day management, more than 30 minutes 17 17 $128

In context: peer comparison

Among 43 peers in Washington Hospitalist Physician, average services per provider: 123. This provider delivers 2.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Tsavaris's medical specialty?
Dr. Katherine Tsavaris practices Hospitalist Physician in Washington, DC.
Where does Dr. Katherine Tsavaris practice?
Dr. Katherine Tsavaris practices at 900 23Rd St Nw, Washington, DC 200372342. Office phone: 2027413387.
What is Dr. Katherine Tsavaris's NPI?
Dr. Katherine Tsavaris's National Provider Identifier (NPI) is 1720509854, issued by NPPES.
Does Dr. Katherine Tsavaris accept Medicare assignment?
Yes. Dr. Katherine Tsavaris accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Tsavaris commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.