Doctor profile · Federal record
Dr. Guisou Mahmoud
Emergency Medicine Physician (CMS: Emergency Medicine) · Emeryville, CA
- NPI 1164435996
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2100 Powell St, Suite 900
Emeryville, CA 946081826
(510) 350-2600 - Mailing address
-
31872 Coast Hwy
Laguna Beach, CA 926516773
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 29, 2008
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A79774
- Medicaid
- CA #00A797740
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164435996. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
281
Distinct HCPCS
5
Medicare allowed
$36,546
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 81 | 81 | $181 | |
99284 |
Emergency department visit with moderate level of medical decision making | 77 | 75 | $123 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 62 | 57 | $9 | |
99291 |
Critical care, first 30-74 minutes | 50 | 49 | $222 | |
99283 |
Emergency department visit with low level of medical decision making | 11 | 11 | $74 |
In context: peer comparison
Among 13 peers in Emeryville Emergency Medicine Physician, average services per provider: 126. This provider delivers 2.2× the peer median.Open Payments
Industry payments received
All-time total
$120
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genzyme Corporation | 1 | $119.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
40
Patients
40
Total drug cost
$328
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 21 | 21 | $61 |
| Cephalexin | Generic | 19 | 19 | $267 |
Hospital affiliations
Frequently asked questions
What is Dr. Guisou Mahmoud's medical specialty?
Dr. Guisou Mahmoud practices Emergency Medicine Physician in Emeryville, CA.
Where does Dr. Guisou Mahmoud practice?
Dr. Guisou Mahmoud practices at 2100 Powell St, Emeryville, CA 946081826. Office phone: 5103502600.
What is Dr. Guisou Mahmoud's NPI?
Dr. Guisou Mahmoud's National Provider Identifier (NPI) is 1164435996, issued by NPPES.
Does Dr. Guisou Mahmoud accept Medicare assignment?
Yes. Dr. Guisou Mahmoud accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guisou Mahmoud commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.