Doctor profile · Federal record
Dr. Asterios Tsimpas, M.D.
Neurological Surgery Physician (CMS: Neurosurgery) · Vascular & Interventional Radiology Physician · Mission Viejo, CA
- NPI 1093919946
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
26732 Crown Valley Pkwy Ste 541
Mission Viejo, CA 926916376
(949) 388-7190
fax (949) 388-7150
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- September 28, 2021
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- California #A121207
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093919946. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
481
Distinct HCPCS
10
Medicare allowed
$95,539
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 218 | 80 | $222 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 59 | 47 | $137 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 34 | $182 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 33 | 33 | $230 | |
36224 |
Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist | 28 | 23 | $423 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 25 | 16 | $125 | |
36227 |
Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist | 23 | 21 | $170 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 23 | 22 | $12 | |
36226 |
Insertion of tube into brain artery for diagnosis or treatment with review by radiologist | 20 | 16 | $285 | |
76937 |
Ultrasonic guidance for blood vessel access | 17 | 16 | $15 |
In context: peer comparison
Among 1 peers in Mission Viejo Neurological Surgery Physician, average services per provider: 48. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$13,691
Transactions
36
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 20 | $13,172.64 | |
| MicroVention, INC. | 3 | $102.56 | |
| Imperative Care, INC | 1 | $74.62 | |
| Neo Spine USA, INC. | 1 | $69.06 | |
| Globus Medical, INC. | 2 | $57.60 | |
| Nevro Corp. | 1 | $48.98 | |
| Stryker Corporation | 2 | $45.95 | |
| Abbvie INC. | 2 | $33.45 | |
| Cardiva Medical, INC. | 1 | $30.21 | |
| Medexus Pharma, INC. | 1 | $21.33 | |
| Boston Scientific Corporation | 1 | $17.82 | |
| Integra LifeSciences Corporation | 1 | $17.19 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Asterios Tsimpas's medical specialty?
Dr. Asterios Tsimpas practices Neurological Surgery Physician in Mission Viejo, CA.
Where does Dr. Asterios Tsimpas practice?
Dr. Asterios Tsimpas practices at 26732 Crown Valley Pkwy Ste 541, Mission Viejo, CA 926916376. Office phone: 9493887190.
What is Dr. Asterios Tsimpas's NPI?
Dr. Asterios Tsimpas's National Provider Identifier (NPI) is 1093919946, issued by NPPES.
Does Dr. Asterios Tsimpas accept Medicare assignment?
Yes. Dr. Asterios Tsimpas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Asterios Tsimpas commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.