Asterios Tsimpas, M.D.
Neurological Surgery Physician · Mission Viejo, CA
Asterios Tsimpas, M.D. is a neurological surgery physician with a practice address in Mission Viejo, California, and NPI 1093919946, issued on Jun 13, 2007. Check the license (California A121207, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Asterios Tsimpas
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- A121207 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26732 Crown Valley Pkwy Ste 541, Mission Viejo, CA 92691
- Phone
- (949) 388-7190
- Enumerated
- Jun 13, 2007
- Record last updated
- Sep 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 388-7150
- Medicare enrollment
- Enrolled (PECOS I20210310001783); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 929 in California → Look up another NPI →
Also registered at 26732 Crown Valley Pkwy Ste 541
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chiedozie Nwagwu, MDNeurological Surgery Physician1669552808
- Layla Rezaeepour, RN/NPAcute Care Nurse Practitioner1720751662
- Alexander Taghva, M.D.Neurological Surgery Physician1548439920
Verify Asterios Tsimpas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A121207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average neurological surgery physician in 2024
59 Medicare Part D claims for 27 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D.
Most prescribed
- Prasugrel Hcl19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $13,691.41
36 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Asterios Tsimpas among 929 neurological surgery physician records in California
Asterios Tsimpas, M.D. is one of 929 neurological surgery physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 48% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2000 · median 2005 among the 612 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in California
There are 929 neurological surgery physician records in California.
All 929 in California → Every provider in Mission Viejo → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Keun-Young Kim, M.D.Mission Viejo, CA 926911659577286
- Chiedozie Nwagwu, MDMission Viejo, CA 926911669552808
- Sylvain Palmer, MDMission Viejo, CA 926911508971912
- Vikas Rao, M.D.Mission Viejo, CA 926911932349651
- Alexander Taghva, M.D.Mission Viejo, CA 926911548439920
- Minh Tran, M.D.Westminster, CA 926831508991928
- Jeffrey Gross, M.D.Laguna Niguel, CA 926771407961188
- William Loudon, MDLaguna Niguel, CA 926771437265816
Common questions
What is Asterios Tsimpas, M.D.'s NPI number?
Asterios Tsimpas, M.D.'s National Provider Identifier (NPI) is 1093919946, issued on Jun 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Asterios Tsimpas, M.D. located?
The NPPES record lists a practice address at 26732 Crown Valley Pkwy Ste 541, Mission Viejo, CA, 92691. Phone: (949) 388-7190. Providers update this record themselves, so call before visiting.
How can I verify Asterios Tsimpas, M.D.'s license?
NPPES lists California license number A121207, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Asterios Tsimpas, M.D. prescribe under Medicare Part D?
In 2024, Asterios Tsimpas, M.D. had 59 Medicare Part D claims for 27 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.