Doctor profile · Federal record

Dr. Tristan Flack, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Baltimore, MD

  • NPI 1750720074
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6701 N Charles St
Baltimore, MD 21204
(443) 849-2682
Mailing address
6565 N Charles St Ste 201
Baltimore, MD 212045805

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Profile last updated
August 30, 2018
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #284245

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1750720074. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
987
Distinct HCPCS
4
Medicare allowed
$85,092
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 496 191 $82
99238 Hospital discharge day management, 30 minutes or less 179 174 $84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 162 160 $134
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 150 67 $52

In context: peer comparison

Among 363 peers in Baltimore Internal Medicine Physician, average services per provider: 105. This provider delivers 9.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tristan Flack's medical specialty?
Dr. Tristan Flack practices Internal Medicine Physician in Baltimore, MD.
Where does Dr. Tristan Flack practice?
Dr. Tristan Flack practices at 6701 N Charles St, Baltimore, MD 21204. Office phone: 4438492682.
What is Dr. Tristan Flack's NPI?
Dr. Tristan Flack's National Provider Identifier (NPI) is 1750720074, issued by NPPES.
Does Dr. Tristan Flack accept Medicare assignment?
Yes. Dr. Tristan Flack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tristan Flack commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.