Doctor profile · Federal record
Dr. Douglas Isenstein, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Snellville, GA
- NPI 1528148400
- Accepts Medicare
- MIPS 16.7 / 100 · 2023
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1800 Tree Lane Road, Suite 200
Snellville, GA 30078
(770) 979-0367
fax (770) 979-1830
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- October 15, 2020
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Georgia #025770
- Medicaid
- GA #0032622
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528148400. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
899
Distinct HCPCS
10
Medicare allowed
$104,666
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 300 | 93 | $117 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 269 | 173 | $125 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 75 | 73 | $171 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 71 | 71 | $165 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 41 | 26 | $78 | |
94726 |
Test to determine lung volumes using sensors | 34 | 32 | $54 | |
94729 |
Test to examine how well the lungs exchange gases | 34 | 32 | $56 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 33 | 31 | $38 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 30 | $87 | |
94010 |
Test to measure expiratory airflow and volume | 12 | 12 | $27 |
In context: peer comparison
Among 2 peers in Snellville Pulmonary Disease Physician, average services per provider: 68. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$435
Transactions
20
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Inspire Medical Systems, INC. | 2 | $67.36 | |
| AstraZeneca Pharmaceuticals Lp | 3 | $54.51 | |
| Csl Behring | 2 | $46.11 | |
| Resmed Corp | 3 | $45.38 | |
| GlaxoSmithKline, LLC. | 2 | $42.74 | |
| Mylan Specialty L.P. | 2 | $37.11 | |
| Dexcom, INC. | 1 | $27.46 | |
| Grifols USA, LLC | 1 | $26.66 | |
| Regeneron Healthcare Solutions, INC. | 1 | $26.11 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 1 | $23.47 | |
| Vifor Pharma, INC. | 1 | $21.58 | |
| La Jolla Pharmaceutical Company | 1 | $16.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,244
Patients
355
Total drug cost
$511,416
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 306 | 70 | $249,258 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 227 | 80 | $6,027 |
| Montelukast Sodium | Generic | 100 | 24 | $1,342 |
| Prednisone | Generic | 83 | 42 | $383 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 70 | 16 | $41,734 |
| Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) | Brand | 66 | 15 | $65,251 |
| Azithromycin | Generic | 55 | 41 | $463 |
| Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) | Brand | 50 | 12 | $14,599 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 47 | 17 | $25,588 |
| Zolpidem Tartrate | Generic | 47 | 0 | $285 |
Hospital affiliations
Frequently asked questions
What is Dr. Douglas Isenstein's medical specialty?
Dr. Douglas Isenstein practices Pulmonary Disease Physician in Snellville, GA.
Where does Dr. Douglas Isenstein practice?
Dr. Douglas Isenstein practices at 1800 Tree Lane Road, Snellville, GA 30078. Office phone: 7709790367.
What is Dr. Douglas Isenstein's NPI?
Dr. Douglas Isenstein's National Provider Identifier (NPI) is 1528148400, issued by NPPES.
Does Dr. Douglas Isenstein accept Medicare assignment?
Yes. Dr. Douglas Isenstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Isenstein commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.