Nicholas James Parziale, M.D.
Neurology Physician · Los Angeles, CA
Nicholas James Parziale, M.D. is a neurology physician with a practice address in Los Angeles, California, and NPI 1144484999, issued on Jul 10, 2008. Check the license (California A114345, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicholas James Parziale
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- A114345 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Medical Plz, Los Angeles, CA 90095
- Phone
- (310) 825-2937
- Enumerated
- Jul 10, 2008
- Record last updated
- Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121031000420); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 2,339 in California → Look up another NPI →
Also registered at 300 Medical Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Alexander, M.D.Neurology Physician1154371334
- Winston Alt, MDPsychiatry Physician1346269826
- Allison AtlasSocial Worker1144336850
- James Ausman, MDNeurological Surgery Physician1902919160
- Natalie Ayars, MDPsychiatry Physician1285665364
- Carrie Bearden, PH.DClinical Psychologist1194750919
Verify Nicholas James Parziale in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average neurology physician in 2024
833 Medicare Part D claims for 193 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Carbidopa-Levodopa165 claims
- Riluzole55 claims
- Pyridostigmine Bromide44 claims
- Levetiracetam38 claims
- Mycophenolate Mofetil36 claims
- Radicava Ors35 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.
Industry payments in 2024: $124.99
1 payment: food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas James Parziale among 2,339 neurology physician records in California
Nicholas James Parziale, M.D. is one of 2,339 neurology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2007 · median 2006 among the 1,628 with a school on file
- Record last updated2021 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in California
There are 2,339 neurology physician records in California.
All 2,339 in California → Every provider in Los Angeles → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- David Alexander, M.D.Los Angeles, CA 900951154371334
- Robert Baloh, MDLos Angeles, CA 900951801811252
- Ronnie Bergen, MDLos Angeles, CA 900951750353488
- Timothy Cloughesy, MDLos Angeles, CA 900951154356053
- Robert Collins, MDLos Angeles, CA 900951871518233
- Jeffrey Cummings, MDLos Angeles, CA 900951457376329
- Dawn Eliashiv, M.D.Los Angeles, CA 900951144286162
- Neeta Garg, MDLos Angeles, CA 900951649242728
Common questions
What is Nicholas James Parziale, M.D.'s NPI number?
Nicholas James Parziale, M.D.'s National Provider Identifier (NPI) is 1144484999, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas James Parziale, M.D. located?
The NPPES record lists a practice address at 300 Medical Plz, Los Angeles, CA, 90095. Phone: (310) 825-2937. Providers update this record themselves, so call before visiting.
How can I verify Nicholas James Parziale, M.D.'s license?
NPPES lists California license number A114345, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas James Parziale, M.D. prescribe under Medicare Part D?
In 2024, Nicholas James Parziale, M.D. had 833 Medicare Part D claims for 193 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.