Doctor profile · Federal record
Dr. Ralph Maroun, MD
Pulmonary Disease Physician (CMS: Internal Medicine) · Critical Care Medicine (Internal Medicine) Physician · Reston, VA
- NPI 1982157608
- Accepts Medicare
- 14 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1850 Town Center Pkwy
Reston, VA 201903204
(703) 689-9000 - Additional location
-
6473 Kingston Pike Ste 6473
Knoxville, TN 379194832
(888) 412-2649 - Mailing address
-
Po Box 207830
Dallas, TX 753207830
Credentials & registration
- NPI registered
- July 2016 — 10 yrs on file
- Profile last updated
- February 5, 2026
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State licenses (2)
- Tennessee #64455 · Virginia #0101287781
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982157608. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
787
Distinct HCPCS
10
Medicare allowed
$83,220
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 154 | 85 | $197 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 74 | 51 | $117 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 74 | 50 | $74 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 68 | 45 | $111 | |
94729 |
Test to examine how well the lungs exchange gases | 60 | 57 | $51 | |
94727 |
Test to determine lung volumes using gas dilution or washout | 59 | 56 | $39 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 45 | 45 | $151 | |
94010 |
Test to measure expiratory airflow and volume | 42 | 41 | $24 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 39 | 38 | $162 | |
99292 |
Critical care, each additional 30 minutes | 36 | 26 | $100 |
In context: peer comparison
Among 1 peers in Reston Pulmonary Disease Physician, average services per provider: 41. This provider delivers 19× the peer median.Open Payments
Industry payments received
All-time total
$840
Transactions
36
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 11 | $276.62 | |
| Insmed, INC. | 6 | $158.93 | |
| Regeneron Healthcare Solutions, INC. | 4 | $83.35 | |
| Grifols USA, LLC | 3 | $56.71 | |
| Ani Pharmaceuticals, INC. | 2 | $49.94 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $44.84 | |
| Baxter Healthcare | 1 | $37.33 | |
| Electromed, INC. | 2 | $30.29 | |
| Actelion Pharmaceuticals US, INC. | 1 | $26.02 | |
| Amgen INC. | 1 | $24.43 | |
| Genzyme Corporation | 1 | $19.12 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $18.41 | |
| Abbvie INC. | 1 | $13.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
168
Patients
66
Total drug cost
$68,733
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 51 | 16 | $36,313 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 37 | 24 | $1,285 |
| Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) | Brand | 28 | 11 | $18,754 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 22 | 0 | $12,033 |
| Fluticasone Propionate | Generic | 17 | 15 | $287 |
| Montelukast Sodium | Generic | 13 | 0 | $61 |
Hospital affiliations
Frequently asked questions
What is Dr. Ralph Maroun's medical specialty?
Dr. Ralph Maroun practices Pulmonary Disease Physician in Reston, VA.
Where does Dr. Ralph Maroun practice?
Dr. Ralph Maroun practices at 1850 Town Center Pkwy, Reston, VA 201903204. Office phone: 7036899000.
What is Dr. Ralph Maroun's NPI?
Dr. Ralph Maroun's National Provider Identifier (NPI) is 1982157608, issued by NPPES.
Does Dr. Ralph Maroun accept Medicare assignment?
Yes. Dr. Ralph Maroun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ralph Maroun commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.