Doctor profile · Federal record

Dr. Joseph Delio

Critical Care Medicine (Anesthesiology) Physician (CMS: Internal Medicine) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Hospitalist Physician · Pulmonary Disease Physician · Washington, DC

  • NPI 1114346939
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 7 locations .

NPPES Updated May 11, 2026
Primary practice
900 23Rd St Nw
Washington, DC 200372342
(202) 715-4750
Additional location
2501 Parkers Ln
Alexandria, VA 223063209
(703) 664-7000
fax (703) 664-7666
Additional location
3300 Gallows RD
Falls Church, VA 220423307
(703) 776-3582
Show 4 more locations
Additional location
3600 Joseph Siewick Dr
Fairfax, VA 220331709
(703) 391-3600
fax (703) 391-3414
Additional location
4320 Seminary RD
Alexandria, VA 223041535
(703) 504-3000
fax (703) 504-3388
Additional location
44045 Riverside Pkwy
Leesburg, VA 201765101
(703) 858-6000
fax (703) 858-6900
Additional location
8110 Gatehouse RD Ste 600W
Falls Church, VA 220421210
(703) 289-8600
fax (703) 289-8624
Mailing address
Po Box 37174
Baltimore, MD 212973174

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
April 17, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207LC0200X — NUCC code
State licenses (2)
District of Columbia #MD043886 · Virginia #0101260975

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114346939. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
62
Distinct HCPCS
2
Medicare allowed
$13,171
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 50 48 $235
99292 Critical care, each additional 30 minutes 12 11 $118

In context: peer comparison

Among 7 peers in this city , average services per provider: 44. This provider delivers 1.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joseph Delio's medical specialty?
Dr. Joseph Delio practices Critical Care Medicine (Anesthesiology) Physician in Washington, DC.
Where does Dr. Joseph Delio practice?
Dr. Joseph Delio practices at 900 23Rd St Nw, Washington, DC 200372342. Office phone: 2027154750.
What is Dr. Joseph Delio's NPI?
Dr. Joseph Delio's National Provider Identifier (NPI) is 1114346939, issued by NPPES.
Does Dr. Joseph Delio accept Medicare assignment?
Yes. Dr. Joseph Delio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Delio commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Critical care (HCPCS 99292). Source: CMS Medicare Physician & Other Practitioners file.