Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DEAN G KARAHALIOS MD
NPI 1245205210
Neurological Surgery in Scottsdale, AZ

Q: What is Dean Karahalios's NPI number?

The NPI number for Dean Karahalios is 1245205210. It was assigned to this individual provider in the NPPES registry on February 22, 2006.

Q: What is Dean Karahalios'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 Dean Karahalios was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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 February 22, 2006PECOS Enrolled

13400 E SHEA BLVD, SCOTTSDALE, AZ 85259(480) 301-8000 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 29, 2026, May 18, 2022, Mar 2, 2022 and 2 more (5 updates tracked since 2021).

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About Dean G Karahalios Md NPPES

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

DEAN G KARAHALIOS MD (NPI 1245205210) is an individual neurological surgery provider in Scottsdale, Arizona, licensed in Arizona (22672) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Advocate Good Samaritan Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1245205210

Entity TypeIndividualMale

Primary Taxonomy207T00000X

Provider Legal NameDEAN G KARAHALIOSCredential: MD

Location Address13400 E SHEA BLVDScottsdale, AZ 85259-5404

Mailing AddressPo Box 860912Minneapolis, MN 55486-0912

Phone(480) 301-8000

Sole ProprietorNo

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1991

Enumeration DateFebruary 22, 2006

Last NPPES UpdateJuly 29, 20265 updates tracked since enumeration

NPPES CertifiedJuly 29, 2026

✔ NPI 1245205210 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207T00000X

Licenses✔ Licensed in AZ · 22672✔ Licensed in IL · 036097583✔ Licensed in WI · 74114-20

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.

13400 E SHEA BLVD, Scottsdale, AZ 85259

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Secondary Practice Locations 3

Location 13551 Highland Ave Ste 200ADowners Grove, IL 60515-2100 · Phone (844) 376-3876

Location 21700 Luther Ln Ste 1170Park Ridge, IL 60068-1270 · Phone (844) 376-3876

Location 32900 W Oklahoma AveMilwaukee, WI 53215-4330 · Phone (414) 649-6000 · Fax (847) 723-2041

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

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

Dean G Karahalios Md 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 ID1557319175

PECOS Enrollment IDI20050117000050

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 5

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.

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.

70 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

44 services44 patients

Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048

This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.

23 services12 patients

Computer-assisted spinal procedure 61783

A computer-assisted spinal procedure is a surgical technique that uses computer technology for improved precision. It involves creating a 3D image of your spine to guide the surgeon during the operation. This method enhances accuracy, reduces risk, and promotes quicker recovery.

19 services19 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

17 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140288

Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85259 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$69.24 typical visit price

range $17.72 – $137.41

Typical copayment $17.31 (range $4.43 – $34.35)

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 20

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

AMITKUMAR MEHTA MD

Internal Medicine (Hematology & Oncology)