Doctor profile · Federal record

Dr. Stephanie Ng, DO

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Vienna, VA

  • NPI 1447489174
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8300 Boone Blvd Ste 150
Vienna, VA 221822671
(703) 662-0202
fax (703) 663-4083
Additional location
700 2Nd St Ne
Washington, DC 200028100
(202) 346-3000
Mailing address
7214 Tanager St
Springfield, VA 221503533

Credentials & registration

NPPES · NUCC
NPI registered
July 2009 — 17 yrs on file
Profile last updated
March 18, 2026
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (3)
Virginia #0102204276 · District of Columbia #DO034787 · Maryland #H0082340

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447489174. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
81
Distinct HCPCS
4
Medicare allowed
$10,140
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 37 28 $127
99213 Established patient office or other outpatient visit, 20-29 minutes 21 18 $102
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $118
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $172

In context: peer comparison

Among 10 peers in this city , average services per provider: 145. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$294
Transactions
9
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Smith+Nephew, Inc. 1 $128.54
Astellas Pharma US Inc 3 $66.73
Exact Sciences Corporation 3 $64.09
Phadia US Inc. 1 $21.23
PFIZER INC. 1 $13.72

By nature of payment

Food and Beverage
$294

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
0
Total drug cost
$467
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 13 0 $205
Lisinopril Generic 13 0 $156
Hydrochlorothiazide Generic 12 0 $39
Losartan Potassium Generic 11 0 $67

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephanie Ng's medical specialty?
Dr. Stephanie Ng practices Internal Medicine Physician in Vienna, VA.
Where does Dr. Stephanie Ng practice?
Dr. Stephanie Ng practices at 8300 Boone Blvd Ste 150, Vienna, VA 221822671. Office phone: 7036620202.
What is Dr. Stephanie Ng's NPI?
Dr. Stephanie Ng's National Provider Identifier (NPI) is 1447489174, issued by NPPES.
Does Dr. Stephanie Ng accept Medicare assignment?
Yes. Dr. Stephanie Ng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Ng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.