Doctor profile · Federal record

Dr. Kathleen Abalos

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

  • NPI 1831451764
  • Accepts Medicare
  • MIPS 79.1 / 100 · 2023
  • 14 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
3800 Reservoir RD Nw
Washington, DC 200072113
(202) 444-3976
Additional location
330 Brookline Ave
Boston, MA 02215
(617) 667-7000

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
March 17, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
District of Columbia #MD045020 · Massachusetts #263266

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831451764. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
741
Distinct HCPCS
5
Medicare allowed
$100,155
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 524 193 $129
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 113 110 $189
99239 Hospital discharge day management, more than 30 minutes 55 55 $126
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 37 19 $87
99238 Hospital discharge day management, 30 minutes or less 12 12 $89

In context: peer comparison

Among 219 peers in Washington Internal Medicine Physician, average services per provider: 102. This provider delivers 7.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen Abalos's medical specialty?
Dr. Kathleen Abalos practices Internal Medicine Physician in Washington, DC.
Where does Dr. Kathleen Abalos practice?
Dr. Kathleen Abalos practices at 3800 Reservoir RD Nw, Washington, DC 200072113. Office phone: 2024443976.
What is Dr. Kathleen Abalos's NPI?
Dr. Kathleen Abalos's National Provider Identifier (NPI) is 1831451764, issued by NPPES.
Does Dr. Kathleen Abalos accept Medicare assignment?
Yes. Dr. Kathleen Abalos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Abalos commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.