Doctor profile · Federal record
Dr. Gregory Bierer, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Sleep Medicine (Internal Medicine) Physician · Santa Monica, CA
- NPI 1154489433
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1223 16Th St, Suite 3400
Santa Monica, CA 904041217
(310) 449-0939
fax (424) 259-7790 - Mailing address
-
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- January 7, 2020
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- California #A77403
- Medicaid
- CA #1154489433
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154489433. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
933
Distinct HCPCS
10
Medicare allowed
$65,772
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 208 | 145 | $99 | |
94010 |
Test to measure expiratory airflow and volume | 179 | 173 | $9 | |
94729 |
Test to examine how well the lungs exchange gases | 118 | 118 | $9 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 114 | 71 | $139 | |
94726 |
Test to determine lung volumes using sensors | 75 | 75 | $13 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 61 | 61 | $177 | |
94660 |
Therapy procedure using a positive pressure ventilator | 39 | 31 | $71 | |
95806 |
Sleep study including heart rate, breathing, airflow, and effort | 33 | 33 | $47 | |
94618 |
Test for exercise-induced lung stress | 29 | 24 | $37 | |
95810 |
Sleep study in sleep lab (6 years or older) | 29 | 29 | $126 |
In context: peer comparison
Among 11 peers in Santa Monica Pulmonary Disease Physician, average services per provider: 81. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$104
Transactions
4
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 4 | $104.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
971
Patients
256
Total drug cost
$267,046
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 171 | 61 | $5,030 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 103 | 26 | $48,287 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 94 | 20 | $74,709 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 71 | 16 | $43,715 |
| Ipratropium Bromide | Generic | 63 | 32 | $3,039 |
| Incruse Ellipta (Umeclidinium Bromide) | Brand | 61 | 12 | $26,581 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 58 | 12 | $32,064 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 56 | 11 | $27,270 |
| Fluticasone Propionate | Generic | 52 | 21 | $763 |
| Montelukast Sodium | Generic | 51 | 18 | $1,000 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Bierer's medical specialty?
Dr. Gregory Bierer practices Pulmonary Disease Physician in Santa Monica, CA.
Where does Dr. Gregory Bierer practice?
Dr. Gregory Bierer practices at 1223 16Th St, Santa Monica, CA 904041217. Office phone: 3104490939.
What is Dr. Gregory Bierer's NPI?
Dr. Gregory Bierer's National Provider Identifier (NPI) is 1154489433, issued by NPPES.
Does Dr. Gregory Bierer accept Medicare assignment?
Yes. Dr. Gregory Bierer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Bierer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Test to measure expiratory airflow and volume (HCPCS 94010); Test to examine how well the lungs exchange gases (HCPCS 94729). Source: CMS Medicare Physician & Other Practitioners file.