Doctor profile · Federal record

Dr. MARYANN ALLY, MD

Hospitalist Physician (CMS: HOSPITALIST) · Internal Medicine Physician · FALLS CHURCH, VA

  • NPI 1316104359
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3300 GALLOWS RD
FALLS CHURCH, VA 220423307
(703) 776-3582
Mailing address
PO BOX 232410
SAN DIEGO, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
June 29, 2017
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
California #C146011 · Virginia #0101245449

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316104359. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
344
Distinct HCPCS
6
Medicare allowed
$38,580
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 242 80 $122
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 32 15 $51
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 16 $82
99239 Hospital discharge day management, more than 30 minutes 20 20 $117
99215 Established patient office or other outpatient visit, 40-54 minutes 15 15 $149
99238 Hospital discharge day management, 30 minutes or less 14 14 $84

In context: peer comparison

Among 17 peers in this city , average services per provider: 161. This provider delivers 2.1× the peer median.

Hospital affiliations

CMS Hospital Compare