DR. ASTERIOS TSIMPAS M.D.
NPI 1093919946
Neurological Surgery in Mission Viejo, CA

Q: What is Asterios Tsimpas's NPI number?

The NPI number for Asterios Tsimpas is 1093919946. It was assigned to this individual provider in the NPPES registry on June 13, 2007.

Q: What is Asterios Tsimpas's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Q: When was this NPI record last updated?

The NPPES record for Asterios Tsimpas was last updated on September 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 13, 2007PECOS EnrolledAccepts Medicare Assignment

26732 CROWN VALLEY PKWY STE 541, MISSION VIEJO, CA 92691(949) 388-7190(949) 388-7150 Get Directions Write a Review

NPPES record last updated: September 28, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 28, 2021, Mar 29, 2021, Dec 19, 2016 (3 updates tracked since 2016).

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About Dr. Asterios Tsimpas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ASTERIOS TSIMPAS M.D. (NPI 1093919946) is an individual neurological surgery provider in Mission Viejo, California, licensed in California (A121207) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1093919946

Entity TypeIndividualMale

Primary Taxonomy207T00000X

Provider Legal NameDR. ASTERIOS TSIMPASCredential: M.D.

Location Address26732 CROWN VALLEY PKWY STE 541Mission Viejo, CA 92691-6376

Mailing Address26732 Crown Valley Pkwy Ste 541Mission Viejo, CA 92691-6376 · (949) 388-7190 · Fax (949) 388-7150

Phone(949) 388-7190

Fax(949) 388-7150

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateJune 13, 2007

Last NPPES UpdateSeptember 28, 20213 updates tracked since enumeration

NPPES CertifiedSeptember 28, 2021

✔ NPI 1093919946 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

License✔ Licensed in CA · A121207

Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Also ListedRadiology · Vascular & Interventional RadiologyTaxonomy 2085R0204X · License A121207 (CA)

26732 CROWN VALLEY PKWY STE 541, Mission Viejo, CA 92691

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Asterios Tsimpas M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658507132

PECOS Enrollment IDI20210310001783

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

203 services109 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

75 services50 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

54 services41 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

53 services47 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

40 services40 patients

Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist 36224

This procedure involves placing a small tube into your neck artery. It helps diagnose or treat certain conditions. A radiologist, a doctor specializing in medical imaging, reviews the process to ensure accuracy and safety.

36 services32 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

36 services30 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

34 services33 patients

Insertion of tube into external neck artery for diagnosis or treatment with review by radiologist 36227

This procedure involves placing a small tube into an artery in your neck. This is done to diagnose or treat certain conditions. A radiologist, a doctor who specializes in medical imaging, will review the procedure to ensure everything is done correctly.

31 services29 patients

Insertion of tube into brain artery for diagnosis or treatment with review by radiologist 36226

This procedure involves inserting a thin tube into a brain artery. It aids in diagnosing or treating brain conditions. A radiologist reviews the process to ensure accuracy and safety. It's a critical step in managing brain health effectively.

27 services24 patients

Review by radiologist of image for insertion of material to block blood flow 75894

This procedure involves a radiologist examining an image to plan the placement of a substance that will block blood flow in a specific area. This is usually done to prevent bleeding or to cut off the blood supply to a growth.

16 services13 patients

Occlusion of central nervous system or spinal cord artery 61624

This procedure involves blocking a central nervous system or spinal cord artery to prevent blood flow. It's typically done to treat conditions like aneurysms or vascular malformations. It can help prevent strokes, bleeding, or other serious issues.

15 services13 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHED NWAGWU MD PC

Neurological Surgery

26732 CROWN VALLEY PKWY STE 541
MISSION VIEJO, CA 92691

Orange County (949) 388-7190

DR. ALEXANDER S TAGHVA M.D.

Neurological Surgery

26732 CROWN VALLEY PKWY STE 541
MISSION VIEJO, CA 92691

Orange County (949) 388-7190

CHIEDOZIE I NWAGWU MD

Neurological Surgery

26732 CROWN VALLEY PKWY STE 541
MISSION VIEJO, CA 92691

Orange County (949) 388-7190

ASTERIOS TSIMPAS MD MSC MBA INC

Neurological Surgery

26732 CROWN VALLEY PKWY STE 541
MISSION VIEJO, CA 92691

Orange County (949) 388-7190

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Asterios Tsimpas's NPI number?

The NPI number for Asterios Tsimpas is 1093919946. It was assigned to this individual provider in the NPPES registry on June 13, 2007.

Where is Asterios Tsimpas located?

Asterios Tsimpas practices at 26732 Crown Valley Pkwy Ste 541, Mission Viejo, CA 92691. The listed phone number is (949) 388-7190.

What is Asterios Tsimpas's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Asterios Tsimpas enrolled in Medicare?

Yes. Asterios Tsimpas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Asterios Tsimpas was last updated on September 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.