Doctor profile · Federal record
Dr. Marc Chalaby, M.D.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · San Antonio, TX
- NPI 1487648291
- Accepts Medicare
- MIPS 75.8 / 100 · 2023
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
10007 Huebner RD Ste 402
San Antonio, TX 78240
(210) 692-0361
fax (210) 692-0151
Credentials & registration
- NPI registered
- September 2005 — 21 yrs on file
- Profile last updated
- April 15, 2020
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Texas #K2320
- Medicaid
- TX #152882005
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1487648291. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,781
Distinct HCPCS
10
Medicare allowed
$217,879
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 618 | 204 | $76 | |
99291 |
Critical care, first 30-74 minutes | 457 | 144 | $207 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 253 | 137 | $115 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 109 | 91 | $86 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 101 | 100 | $169 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 67 | 55 | $122 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 65 | 64 | $37 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $109 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $162 | |
94618 |
Test for exercise-induced lung stress | 17 | 16 | $31 |
In context: peer comparison
Among 31 peers in San Antonio Pulmonary Disease Physician, average services per provider: 133. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$2,028
Transactions
64
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 11 | $347.86 | |
| United Therapeutics Corporation | 7 | $283.10 | |
| Actelion Pharmaceuticals US, INC. | 4 | $209.27 | |
| GlaxoSmithKline, LLC. | 14 | $172.64 | |
| Inari Medical, INC. | 1 | $171.11 | |
| Regeneron Healthcare Solutions, INC. | 4 | $105.45 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $103.69 | |
| Abbvie INC. | 5 | $99.04 | |
| Mylan Specialty L.P. | 4 | $89.16 | |
| Fisher & Paykel Healthcare INC | 2 | $81.04 | |
| Genzyme Corporation | 3 | $62.71 | |
| Merck Sharp & Dohme LLC | 2 | $55.75 | |
| Bayer Healthcare Pharmaceuticals INC. | 2 | $44.99 | |
| Pulmonx Corporation | 2 | $44.71 | |
| Philips North America LLC | 2 | $30.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
775
Patients
189
Total drug cost
$722,032
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 161 | 50 | $4,708 |
| Montelukast Sodium | Generic | 112 | 30 | $1,010 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 81 | 17 | $84,069 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 79 | 26 | $37,305 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 66 | 11 | $41,247 |
| Azithromycin | Generic | 48 | 17 | $144 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 30 | 14 | $244 |
| Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) | Brand | 30 | 0 | $15,101 |
| Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) | Brand | 29 | 11 | $20,257 |
| Prednisone | Generic | 29 | 13 | $38 |
Hospital affiliations
Frequently asked questions
What is Dr. Marc Chalaby's medical specialty?
Dr. Marc Chalaby practices Pulmonary Disease Physician in San Antonio, TX.
Where does Dr. Marc Chalaby practice?
Dr. Marc Chalaby practices at 10007 Huebner RD Ste 402, San Antonio, TX 78240. Office phone: 2106920361.
What is Dr. Marc Chalaby's NPI?
Dr. Marc Chalaby's National Provider Identifier (NPI) is 1487648291, issued by NPPES.
Does Dr. Marc Chalaby accept Medicare assignment?
Yes. Dr. Marc Chalaby accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marc Chalaby commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.