Doctor profile · Federal record

Dr. Sinziana Mahalean, M.D

Internal Medicine Physician (CMS: Hospitalist) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Falls Church, VA

  • NPI 1366839045
  • Accepts Medicare
  • 11 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) 776-4001
fax (703) 776-7113

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
June 21, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Virginia #0101274869 · Nevada #18167

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366839045. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
525
Distinct HCPCS
5
Medicare allowed
$53,073
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 371 112 $86
99239 Hospital discharge day management, more than 30 minutes 68 66 $125
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 51 30 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $189
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $142

In context: peer comparison

Among 63 peers in this city , average services per provider: 131. This provider delivers 4.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sinziana Mahalean's medical specialty?
Dr. Sinziana Mahalean practices Internal Medicine Physician in Falls Church, VA.
Where does Dr. Sinziana Mahalean practice?
Dr. Sinziana Mahalean practices at 3300 Gallows RD, Falls Church, VA 220423307. Office phone: 7037764001.
What is Dr. Sinziana Mahalean's NPI?
Dr. Sinziana Mahalean's National Provider Identifier (NPI) is 1366839045, issued by NPPES.
Does Dr. Sinziana Mahalean accept Medicare assignment?
Yes. Dr. Sinziana Mahalean accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sinziana Mahalean commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.