NPPES file of Aug 9, 2026

Mahan Ghiassi, M.D.

Neurological Surgery Physician · Louisville, KY

Mahan Ghiassi, M.D. is a neurological surgery physician with a practice address in Louisville, Kentucky, and NPI 1285827725, issued on Aug 18, 2007. Check the license (Kentucky 49962, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285827725
Name
Mahan Ghiassi
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
49962 KY
E-8572 AR
Self-reported in NPPES; status is on the state search
Practice location
4915 Norton Healthcare Blvd Ste 301, Louisville, KY 40241
Phone
(502) 394-6390
Enumerated
Aug 18, 2007
Record last updated
May 1, 2025
Fax
(502) 394-6388
Medicaid ID
7100490440 KY
Medicare enrollment
Enrolled (PECOS I20170822003960); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 2007
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4915 Norton Healthcare Blvd Ste 301

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Stephanie Alsorogi, APRNFamily Nurse Practitioner1164887576
  2. Marika-Foteni Antimisiaris, MDEpilepsy Physician1497286348
  3. Nathaniel Beachy, M.D.Clinical Neurophysiology Physician1992238646
  4. Rabia Buridi, MDVascular Neurology Physician1710482443
  5. Tamika Burrus, MDVascular Neurology Physician1447457353
  6. Jessica Cain, PAPhysician Assistant1740664283

Verify Mahan Ghiassi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 49962
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Kentucky license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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70% fewer Medicare Part D claims than the average neurological surgery physician in 2024

51 Medicare Part D claims for 22 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D.

  1. Mahan Ghiassi51
  2. Specialty average172

Most prescribed

  1. Clopidogrel29 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,828.44

34 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.

  1. Mahan Ghiassi$1,828
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Community Medical Associates IncLouisville, KY
  2. Memorial Health Partners Foundation, IncChattanooga, TN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mahan Ghiassi among 111 neurological surgery physician records in Kentucky

Mahan Ghiassi, M.D. is one of 111 neurological surgery physician records with a practice address in Kentucky. 85% 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 40% of them.

  • NPI issued2007 · 40% of these records are older, 50% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2007 · median 2004 among the 80 with a school on file
  • Record last updated2025 · 54% 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 Kentucky 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 Kentucky

There are 111 neurological surgery physician records in Kentucky.

The 8 neurological surgery physician records with the nearest ZIP codes

  1. Abigail Rao, M.D.Louisville, KY 402411053636241
  2. Duane Densler, MDLouisville, KY 402171376667741
  3. Gregory Nazar, M.D.Louisville, KY 402171851395586
  4. Thomas Becherer, MDLouisville, KY 402071700987260
  5. Eric Chen, M.D.Louisville, KY 402071841672276
  6. Aurora Cruz, MDLouisville, KY 402071063874170
  7. Michael Doyle, MDLouisville, KY 402071497856959
  8. Steven Reiss, MDLouisville, KY 402071487647616

Common questions

What is Mahan Ghiassi, M.D.'s NPI number?

Mahan Ghiassi, M.D.'s National Provider Identifier (NPI) is 1285827725, issued on Aug 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mahan Ghiassi, M.D. located?

The NPPES record lists a practice address at 4915 Norton Healthcare Blvd Ste 301, Louisville, KY, 40241. Phone: (502) 394-6390. Providers update this record themselves, so call before visiting.

How can I verify Mahan Ghiassi, M.D.'s license?

NPPES lists Kentucky license number 49962, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mahan Ghiassi, M.D. prescribe under Medicare Part D?

In 2024, Mahan Ghiassi, M.D. had 51 Medicare Part D claims for 22 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is Mahan Ghiassi, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.