NPPES file of Aug 9, 2026

Panos Z. Marmarelis, PH.D., M.D.

Neurology Physician · Long Beach, CA

Panos Z. Marmarelis, PH.D., M.D. is a neurology physician with a practice address in Long Beach, California, and NPI 1275585622, issued on May 16, 2006. Check the license (California G37550, as entered in NPPES) on the Medical Board of California; 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
1275585622
Name
Panos Z. Marmarelis
Credential
PH.D., M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
G37550 CA
Self-reported in NPPES; status is on the state search
Practice location
1045 Atlantic Ave, Long Beach, CA 90813
Phone
(562) 591-1324
Enumerated
May 16, 2006
Record last updated
Jan 22, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(562) 437-1054
Medicaid ID
00G375500 CA
Medicare enrollment
Enrolled (PECOS I20090204000054); accepts Medicare assignment
Medical or professional school
University Of Miami, Lm Miller School Of Medicine, 1977
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 1045 Atlantic Ave

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

  1. Abdul Abbasi, MDCardiovascular Disease Physician1710071717
  2. Rebecca Alleyne, M.DSurgery Physician1356389050
  3. Rose Mary Berman, M.D.Family Medicine Physician1225113830
  4. Charles Brown, M.D.Diagnostic Radiology Physician1134306236
  5. Ignacio Carrillo-Nunez, M.D.Neurology Physician1205827201
  6. Coreen Correa, FNPFamily Nurse Practitioner1063720324

Verify Panos Z. Marmarelis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G37550
    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 California license search

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16% more Medicare Part D claims than the average neurology physician in 2024

1,588 Medicare Part D claims for 177 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were under 1% of claims. 67 claims were for opioids.

  1. Panos Marmarelis1,588
  2. Specialty average1,370

Most prescribed

  1. Mirtazapine168 claims
  2. Gabapentin123 claims
  3. Carbidopa-Levodopa113 claims
  4. Duloxetine Hcl93 claims
  5. Levetiracetam92 claims
  6. Alprazolam73 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $13.08

1 payment: food and beverage; the largest payer was Abbvie 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.

  1. Panos Marmarelis$13.08
  2. Specialty average$8,318.07

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

  1. Neuromedical Diagnostic Medical GroupLong Beach, CA

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

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

Other neurology physician records in California

  1. Venkat Raghav Aachi, MDThousand Oaks, CA1740640051
  2. John Aalbers, M.D.San Diego, CA1942262431
  3. Kafia Abbasi, M.D.French Camp, CA1215114897
  4. Puya Abbassi, D.O.San Jose, CA1831695428
  5. Ahmed Abdelhak, MB CHBSan Francisco, CA1053013748
  6. Diana Abdulrahman, M.D.Pomona, CA1518276880
  7. Hadi Abou El Hassan, MDLos Angeles, CA1053995720
  8. John Paul Aboubechara, MD, PHDPalo Alto, CA1205461803
  9. Saheil AboutalibLong Beach, CA1548551112
  10. Justin Abraham, M.D., M.B.A.Santa Barbara, CA1225322522

Common questions

What is Panos Z. Marmarelis, PH.D., M.D.'s NPI number?

Panos Z. Marmarelis, PH.D., M.D.'s National Provider Identifier (NPI) is 1275585622, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Panos Z. Marmarelis, PH.D., M.D. located?

The NPPES record lists a practice address at 1045 Atlantic Ave, Long Beach, CA, 90813. Phone: (562) 591-1324. Providers update this record themselves, so call before visiting.

How can I verify Panos Z. Marmarelis, PH.D., M.D.'s license?

NPPES lists California license number G37550, 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 Panos Z. Marmarelis, PH.D., M.D. prescribe under Medicare Part D?

In 2024, Panos Z. Marmarelis, PH.D., M.D. had 1,588 Medicare Part D claims for 177 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.

What is Panos Z. Marmarelis, PH.D., M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.