Doctor profile · Federal record
Dr. Alexei Adan
Emergency Medicine Physician (CMS: Emergency Medicine) · Castro Valley, CA
- NPI 1679968978
- Accepts Medicare
- MIPS 90.4 / 100 · 2023
- 11 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
20103 Lake Chabot RD
Castro Valley, CA 945465305
(510) 727-3015
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- February 26, 2021
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A161408
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679968978. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,064
Distinct HCPCS
7
Medicare allowed
$130,535
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 378 | 369 | $187 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 361 | 341 | $9 | |
99291 |
Critical care, first 30-74 minutes | 114 | 110 | $232 | |
99284 |
Emergency department visit with moderate level of medical decision making | 104 | 103 | $129 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 79 | 78 | $193 | |
99283 |
Emergency department visit with low level of medical decision making | 15 | 15 | $76 | |
93308 |
Ultrasound of heart, follow-up | 13 | 13 | $28 |
In context: peer comparison
Among 9 peers in Castro Valley Emergency Medicine Physician, average services per provider: 94. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
346
Patients
341
Total drug cost
$4,412
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Naproxen | Generic | 81 | 80 | $288 |
| Cephalexin | Generic | 53 | 52 | $557 |
| Ondansetron Odt (Ondansetron) | Brand | 41 | 40 | $247 |
| Famotidine | Generic | 30 | 30 | $169 |
| Doxycycline Hyclate | Generic | 27 | 26 | $506 |
| Prednisone | Generic | 27 | 26 | $55 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 21 | 21 | $610 |
| Naloxone Hcl | Generic | 20 | 20 | $1,555 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 18 | 18 | $140 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 17 | 17 | $229 |
Hospital affiliations
Frequently asked questions
What is Dr. Alexei Adan's medical specialty?
Dr. Alexei Adan practices Emergency Medicine Physician in Castro Valley, CA.
Where does Dr. Alexei Adan practice?
Dr. Alexei Adan practices at 20103 Lake Chabot RD, Castro Valley, CA 945465305. Office phone: 5107273015.
What is Dr. Alexei Adan's NPI?
Dr. Alexei Adan's National Provider Identifier (NPI) is 1679968978, issued by NPPES.
Does Dr. Alexei Adan accept Medicare assignment?
Yes. Dr. Alexei Adan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexei Adan commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.