Doctor profile · Federal record
Dr. Andrew Otto, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Walnut Creek, CA
- NPI 1578862157
- Accepts Medicare
- 16 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1990 N California Blvd, Suite #400
Walnut Creek, CA 945963742
(540) 981-7000 - Mailing address
-
3559 Vernal Ave
Merced, CA 953400638
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- June 15, 2022
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (2)
- Washington #MD61129047 · California #A138024
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578862157. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
120
Distinct HCPCS
3
Medicare allowed
$12,751
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 50 | 48 | $120 | |
99285 |
Emergency department visit with high level of medical decision making | 37 | 35 | $175 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 33 | 28 | $8 |
In context: peer comparison
Among 26 peers in Walnut Creek Emergency Medicine Physician, average services per provider: 87. This provider delivers 1.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
26
Total drug cost
$131
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 14 | 14 | $60 |
| Cephalexin | Generic | 12 | 12 | $71 |
Frequently asked questions
What is Dr. Andrew Otto's medical specialty?
Dr. Andrew Otto practices Emergency Medicine Physician in Walnut Creek, CA.
Where does Dr. Andrew Otto practice?
Dr. Andrew Otto practices at 1990 N California Blvd, Walnut Creek, CA 945963742. Office phone: 5409817000.
What is Dr. Andrew Otto's NPI?
Dr. Andrew Otto's National Provider Identifier (NPI) is 1578862157, issued by NPPES.
Does Dr. Andrew Otto accept Medicare assignment?
Yes. Dr. Andrew Otto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Otto commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); 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). Source: CMS Medicare Physician & Other Practitioners file.