Doctor profile · Federal record
Dr. Alexander Greiner, M.D.
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Internal Medicine Physician · San Diego, CA
- NPI 1609801299
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5776 Ruffin RD
San Diego, CA 921231013
(858) 292-1144
fax (858) 268-5145 - Mailing address
-
3020 Childrens Way, Mc5003
San Diego, CA 921234223
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- March 14, 2016
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- California #A77327
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609801299. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
43
Distinct HCPCS
2
Medicare allowed
$4,182
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 30 | 28 | $126 | |
94010 |
Test to measure expiratory airflow and volume | 13 | 12 | $30 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 469. This provider delivers 0.1× the peer median.Open Payments
Industry payments received
All-time total
$41,359
Transactions
34
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CIPLA USA INC. | 2 | $40,472.93 | |
| GlaxoSmithKline, LLC. | 9 | $198.29 | |
| Genentech USA, Inc. | 2 | $130.74 | |
| GENZYME CORPORATION | 3 | $91.01 | |
| Novartis Pharmaceuticals Corporation | 1 | $66.84 | |
| Grifols USA, LLC | 3 | $62.29 | |
| AstraZeneca Pharmaceuticals LP | 2 | $52.98 | |
| CSL Behring | 2 | $49.61 | |
| Pharming Healthcare, Inc. | 2 | $48.87 | |
| ABBVIE INC. | 2 | $43.76 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $36.29 | |
| Blueprint Medicines Corporation | 1 | $29.26 | |
| PFIZER INC. | 1 | $24.52 | |
| LEO Pharma Inc. | 1 | $23.02 | |
| Octapharma USA, Inc. | 1 | $15.47 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
272
Patients
13
Total drug cost
$161,203
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 31 | 13 | $1,086 |
| Ipratropium Bromide | Generic | 29 | 0 | $1,685 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 27 | 0 | $11,199 |
| Montelukast Sodium | Generic | 24 | 0 | $316 |
| Advair Hfa (Fluticasone Propion/Salmeterol) | Brand | 19 | 0 | $10,296 |
| Azelastine Hcl | Generic | 19 | 0 | $800 |
| Dupixent Syringe (Dupilumab) | Brand | 18 | 0 | $64,285 |
| Prednisone | Generic | 18 | 0 | $214 |
| Fluticasone Propionate | Generic | 16 | 0 | $525 |
| Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) | Brand | 16 | 0 | $3,704 |
Frequently asked questions
What is Dr. Alexander Greiner's medical specialty?
Dr. Alexander Greiner practices Allergy & Immunology Physician in San Diego, CA.
Where does Dr. Alexander Greiner practice?
Dr. Alexander Greiner practices at 5776 Ruffin RD, San Diego, CA 921231013. Office phone: 8582921144.
What is Dr. Alexander Greiner's NPI?
Dr. Alexander Greiner's National Provider Identifier (NPI) is 1609801299, issued by NPPES.
Does Dr. Alexander Greiner accept Medicare assignment?
Yes. Dr. Alexander Greiner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Greiner commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure expiratory airflow and volume (HCPCS 94010). Source: CMS Medicare Physician & Other Practitioners file.