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GEORGE JAMES COUNELIS MD
NPI 1437261534
Neurological Surgery in Walnut Creek, CA

Active since August 31, 2006PECOS Enrolled
80.36/100
CMS Quality Rating
100 N. WIGET LANE, SUITE 160, WALNUT CREEK, CA 94598(925) 280-8200(925) 280-8201 Get Directions Write a Review

NPPES record last updated: August 6, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About George James Counelis Md NPPES

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

GEORGE JAMES COUNELIS MD (NPI 1437261534) is an individual neurological surgery provider in Walnut Creek, California, licensed in California (A87807) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Portneuf Medical Center, and is a graduate of Tufts University School Of Medicine (1995).

NPPES Registry Identity

NPI1437261534
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameGEORGE JAMES COUNELISCredential: MD
Location Address100 N. WIGET LANE, SUITE 160Walnut Creek, CA 94598
Mailing Address100 N. Wiget Lane, Suite 160Walnut Creek, CA 94598 · (925) 280-8200 · Fax (925) 280-8201
Phone(925) 280-8200
Fax(925) 280-8201
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 1995
Enumeration DateAugust 31, 2006
Last NPPES UpdateAugust 6, 2015
✔ NPI 1437261534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in CA · A87807
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.
100 N. WIGET LANE, Walnut Creek, CA 94598
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Other Identifiers 4

Other00A878070Blue Shield Of Ca
OtherA87807Blue Shield Of Ca
Medicare UPINI13230
Medicare ID-Type Unspecified00A878070CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

George James Counelis Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9739154535
PECOS Enrollment IDI20040826000394, I20251003001723
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.

Medicare Billing Reassignments

3

Medicare enrollment records show George Counelis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

George James Counelis MD Inc
Same address
Neurological Surgery
100 N WIGET LN, SUITE 160
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
NPI 1245624212 (925) 280-8200
John Muir Trauma Physicians Billing Service
1.3 mi
Trauma Surgery
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 810 clinicians in this Medicare group
NPI 1962551861 (925) 947-5331
Pocatello Health Services, LLC
610 mi
General Acute Care Hospital
651 MEMORIAL DR
Pocatello, ID 83201
  • Reassigned Medicare billing, Idaho enrollment
  • 190 clinicians in this Medicare group
NPI 1689802852 (208) 239-2110

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

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 high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
78 services54 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
72 services47 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
68 services67 patients
Fusion of additional segment of spine 22614
Fusion of an additional segment of the spine is a surgical procedure to join two or more vertebrae together. This is done to stabilize the spine and reduce pain or correct a deformity. The procedure involves using bone grafts, rods, or screws to secure the spine.
29 services11 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.
26 services26 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.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

Portneuf Medical Center

Acute Care Hospitals · Pocatello, ID
4/5 CMS rating
OwnershipProprietary
CMS Certification Number130028
Location777 Hospital WayPocatello, ID 83201 · Bannock County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.36/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.85
Improvement Activities40
Cost55.1

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 George Counelis's NPI number?

The NPI number for George Counelis is 1437261534. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is George Counelis located?

George Counelis practices at 100 N. Wiget Lane Suite 160, Walnut Creek, CA 94598. The listed phone number is (925) 280-8200.

What is George Counelis's specialty?

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

Is George Counelis enrolled in Medicare?

Yes. George Counelis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for George Counelis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Counelis reassigns Medicare benefits to 3 organizations: George James Counelis MD Inc (Walnut Creek, CA), John Muir Trauma Physicians Billing Service (Walnut Creek, CA) and Pocatello Health Services, LLC (Pocatello, ID). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for George Counelis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does George Counelis accept?

Health plans from Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Select Health list George Counelis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is George Counelis affiliated with any hospitals?

According to CMS data, George Counelis is affiliated with Portneuf Medical Center.

When was this NPI record last updated?

The NPPES record for George Counelis was last updated on August 6, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.