DR. MAHAN GHIASSI M.D.
NPI 1285827725
Neurological Surgery in Louisville, KY

Active since August 18, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
4915 NORTON HEALTHCARE BLVD STE 301, LOUISVILLE, KY 40241(502) 394-6390(502) 394-6388 Get Directions Write a Review

NPPES record last updated: May 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 12, 2021, Apr 1, 2020 (2 updates tracked since 2020).

About Dr. Mahan Ghiassi M.d. NPPES

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

DR. MAHAN GHIASSI M.D. (NPI 1285827725) is an individual neurological surgery provider in Louisville, Kentucky, licensed in Kentucky (49962) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with Clark Memorial Hospital, and is a graduate of Vanderbilt University School Of Medicine (2007).

NPPES Registry Identity

NPI1285827725
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. MAHAN GHIASSICredential: M.D.
Location Address4915 NORTON HEALTHCARE BLVD STE 301Louisville, KY 40241-2866
Mailing AddressPo Box 776351Chicago, IL 60677-6351 · (502) 588-9490
Fax(502) 394-6388
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 2007
Enumeration DateAugust 18, 2007
Last NPPES UpdateMay 1, 20252 updates tracked since enumeration
NPPES CertifiedMay 1, 2025
NPI 1285827725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Licenses Licensed in KY · 49962 Licensed in AR · E-8572
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.
4915 NORTON HEALTHCARE BLVD STE 301, Louisville, KY 40241

Other Identifiers 2

Medicaid7100490440KY
OtherK250170KY · Medicare Kentucky

Accepted 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

Dr. Mahan Ghiassi 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 ID8022234541
PECOS Enrollment IDI20170822003960, I20251029000330
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 8

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.
89 services83 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.
49 services48 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.
35 services24 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.
27 services27 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.
19 services19 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.
17 services17 patients

Hospital Affiliations CMS Care Compare 3

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

Clark Memorial Hospital

Acute Care Hospitals · Jeffersonville, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number150009
Location1220 Missouri AveJeffersonville, IN 47130 · Clark County
Emergency services Birthing friendly

Norton Hospitals, Inc

Acute Care Hospitals · Louisville, KY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number180088
Location200 East Chestnut StreetLouisville, KY 40202 · Jefferson County
Emergency services Birthing friendly

Memorial Healthcare System, Inc

Acute Care Hospitals · Chattanooga, TN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440091
Location2525 Desales AveChattanooga, TN 37404 · Hamilton County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 40241 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
$122.77 typical visit price
range $52.76 – $162.27
Typical copayment $30.69 (range $13.19 – $40.56)
Most-billed visit code 99204
Established Patient
$66.24 typical visit price
range $16.53 – $131.99
Typical copayment $16.56 (range $4.13 – $32.99)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

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.

Psychiatry & Neurology (Vascular Neurology)
4915 NORTON HEALTHCARE BLVD STE 301
LOUISVILLE, KY 40241
Nurse Practitioner (Gerontology)
4915 NORTON HEALTHCARE BLVD STE 301
LOUISVILLE, KY 40241
Psychiatry & Neurology (Neurology)
4915 NORTON HEALTHCARE BLVD STE 301
LOUISVILLE, KY 40241
Internal Medicine (Geriatric Medicine)
4915 NORTON HEALTHCARE BLVD STE 301
LOUISVILLE, KY 40241
Nurse Practitioner (Family)
4915 NORTON HEALTHCARE BLVD STE 301
LOUISVILLE, KY 40241
Nurse Practitioner (Family)
4915 NORTON HEALTHCARE BLVD STE 301
LOUISVILLE, KY 40241
Nurse Practitioner (Family)
4915 NORTON HEALTHCARE BLVD STE 301
LOUISVILLE, KY 40241
Psychiatry & Neurology (Neurology)
4915 NORTON HEALTHCARE BLVD STE 301
LOUISVILLE, KY 40241

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 Mahan Ghiassi's NPI number?

The NPI number for Mahan Ghiassi is 1285827725. It was assigned to this individual provider in the NPPES registry on August 18, 2007.

Where is Mahan Ghiassi located?

Mahan Ghiassi practices at 4915 Norton Healthcare Blvd Ste 301, Louisville, KY 40241. The listed phone number is (502) 394-6390.

What is Mahan Ghiassi's specialty?

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

Is Mahan Ghiassi enrolled in Medicare?

Yes. Mahan Ghiassi 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.

What insurance does Mahan Ghiassi accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Mahan Ghiassi 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 Mahan Ghiassi affiliated with any hospitals?

According to CMS data, Mahan Ghiassi is affiliated with Clark Memorial Hospital, Norton Hospitals, Inc and Memorial Healthcare System, Inc.

When was this NPI record last updated?

The NPPES record for Mahan Ghiassi was last updated on May 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.