Doctor profile · Federal record

Dr. Brainerd Ewarien, M.D.

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

  • NPI 1881089936
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3800 Reservoir RD Nw, Dept of Medicine
Washington, DC 20007
(202) 444-8168
fax (877) 303-1460
Mailing address
700 Constitution Ave Ne Apt 204
Washington, DC 200026681

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 20, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Virginia #0101263786

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881089936. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
374
Distinct HCPCS
5
Medicare allowed
$49,291
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 177 174 $166
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 83 33 $76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 71 33 $116
99239 Hospital discharge day management, more than 30 minutes 32 31 $110
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $165

In context: peer comparison

Among 219 peers in Washington Internal Medicine Physician, average services per provider: 102. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
53
Patients
11
Total drug cost
$19,917
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 30 11 $19,348
Amiodarone Hcl Generic 12 0 $510
Metoprolol Succinate Generic 11 0 $59

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Brainerd Ewarien's medical specialty?
Dr. Brainerd Ewarien practices Internal Medicine Physician in Washington, DC.
Where does Dr. Brainerd Ewarien practice?
Dr. Brainerd Ewarien practices at 3800 Reservoir RD Nw, Washington, DC 20007. Office phone: 2024448168.
What is Dr. Brainerd Ewarien's NPI?
Dr. Brainerd Ewarien's National Provider Identifier (NPI) is 1881089936, issued by NPPES.
Does Dr. Brainerd Ewarien accept Medicare assignment?
Yes. Dr. Brainerd Ewarien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brainerd Ewarien commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.