Doctor profile · Federal record
Dr. Alan Marcus, M.D
Endocrinology, Diabetes & Metabolism Physician · Laguna Hills, CA
- NPI 1275631657
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
24422 Avenida de la Carlota Ste 375
Laguna Hills, CA 926533668
(949) 770-4177
fax (949) 472-0305 - Mailing address
-
24012 Calle de la Plata, 345
Laguna Hills, CA 926533621
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- November 14, 2025
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- California #A39696
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275631657. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$4,573
Transactions
223
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Aimmune Therapeutics, INC. | 39 | $798.49 | |
| Abbvie INC. | 37 | $556.54 | |
| Novo Nordisk INC | 20 | $350.72 | |
| Lilly USA, LLC | 21 | $316.87 | |
| Xeris Pharmaceuticals, INC. | 17 | $258.41 | |
| AstraZeneca Pharmaceuticals Lp | 10 | $247.86 | |
| Amgen INC. | 16 | $211.28 | |
| Dexcom, INC. | 11 | $202.51 | |
| Mannkind Corporation | 16 | $199.38 | |
| Antares Pharma, INC. | 14 | $152.32 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 5 | $112.62 | |
| Harmony Biosciences LLC | 4 | $96.13 | |
| Radius Health, INC. | 4 | $93.87 | |
| Recordati_Rare_Diseases_INC. | 5 | $92.54 | |
| Verity Pharmaceuticals INC. | 4 | $79.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,025
Patients
852
Total drug cost
$1,460,264
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ozempic (Semaglutide) | Brand | 553 | 99 | $642,806 |
| Rosuvastatin Calcium | Generic | 350 | 123 | $11,175 |
| Metformin Hcl | Generic | 320 | 111 | $2,269 |
| Ezetimibe | Generic | 287 | 94 | $15,487 |
| Synthroid (Levothyroxine Sodium) | Brand | 266 | 81 | $31,068 |
| Mounjaro (Tirzepatide) | Brand | 246 | 35 | $318,477 |
| Levothyroxine Sodium | Generic | 200 | 69 | $3,424 |
| Jardiance (Empagliflozin) | Brand | 175 | 52 | $246,559 |
| Atorvastatin Calcium | Generic | 106 | 36 | $1,284 |
| Praluent Pen (Alirocumab) | Brand | 96 | 21 | $90,836 |
Frequently asked questions
What is Dr. Alan Marcus's medical specialty?
Dr. Alan Marcus practices Endocrinology, Diabetes & Metabolism Physician in Laguna Hills, CA.
Where does Dr. Alan Marcus practice?
Dr. Alan Marcus practices at 24422 Avenida de la Carlota Ste 375, Laguna Hills, CA 926533668. Office phone: 9497704177.
What is Dr. Alan Marcus's NPI?
Dr. Alan Marcus's National Provider Identifier (NPI) is 1275631657, issued by NPPES.