Dr. Panos Z. Marmarelis, MD, PhD

  • Long Beach, CA
  • Neurologist
NPI1275585622PAC ID5193790244
Medicare services, 2024
2,557
Medicare patients, 2024
657
Part D claims, 2024
1,588
Publications
9
MIPS score, 2024
75
Practice address
1045 Atlantic Ave, Long Beach, CA 90813
Practice phone
Call (562) 591-1324
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Neuromedical Diagnostic Medical Group

Long Beach, California

See all 3 affiliations

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Dr. Panos Z. Marmarelis is a neurologist in Long Beach, California

Dr. Marmarelis practices at Neuromedical Diagnostic Medical Group in Long Beach, California.

Dr. Marmarelis' NPI, 1275585622, was assigned on May 16, 2006. Dr. Marmarelis graduated from University of Miami, Miller School of Medicine in 1977. Dr. Marmarelis holds California license G37550.

NPI and contact details
Medicare PAC ID
5193790244
NPI enumeration date
May 16, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(562) 591-1324
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
75
Medical school graduation
1977

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Panos Z. Marmarelis practices at Neuromedical Diagnostic Medical Group in Long Beach, California

Dr. Marmarelis' primary practice is Neuromedical Diagnostic Medical Group, at 1045 Atlantic Ave, Long Beach, CA 90813 in Los Angeles County. The practice phone is (562) 591-1324.

  • Neuromedical Diagnostic Medical Group
    1045 Atlantic Ave, Long Beach, CA 90813 · Los Angeles CountyPhone(562) 591-1324

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Panos Z. Marmarelis is affiliated with 2 sites of care and 1 medical group

Dr. Marmarelis' primary practice is Neuromedical Diagnostic Medical Group in Long Beach, California. The medical group on file is NeuroMedical Diagnostic Group. Dmand AI also links Dr. Marmarelis to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Marmarelis

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Panos Z. Marmarelis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marmarelis practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Neuromedical Diagnostic Medical GroupAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Panos Z. Marmarelis is one of 2,207 neurologists in California

Neurology is Dr. Marmarelis' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Marmarelis is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Marmarelis is licensed in California.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense G37550 · 1978 to 2026 · taxonomy 2084N0400X

Clinical focus

Dmand AI lists acute mini-stroke (TIA), alzheimer's disease, carpal tunnel syndrome, cerebrovascular disease, encephalopathy, epilepsy, essential tremor and fibromyalgia and chronic pain among the conditions Dr. Marmarelis treats.

Neurologists near Dr. Marmarelis

Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Panos Z. Marmarelis billed Medicare for 2,557 services in 2024

CMS data shows 2,557 Medicare services from Dr. Marmarelis across 11 procedure codes in 2024, for 657 Medicare patients. Medicare paid $280,220 for them. Every service was in an office.

Medicare services, 20242,557
Medicare patients657
Paid by Medicare$280,220
Procedure codes11

Dr. Marmarelis' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,6102024: 1,7036%
Tests and treatments
2023: 8242024: 8544%

Dr. Marmarelis compared with the California median for neurologists, 2024

  • Dr. Marmarelis
  • California median
Medicare services
2,557vs 4046.3 times
Medicare patients
657vs 1903.5 times
Part D claims
1,421vs 3244.4 times

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Marmarelis' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Marmarelis

Need commercial claims for Dr. Marmarelis?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marmarelis and other neurologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Panos Z. Marmarelis treated 657 Medicare patients in 2024, average age 73

CMS counts 657 Medicare patients who saw Dr. Marmarelis in 2024. The largest group is 65 to 74, with 233 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Marmarelis' median patient age at 67, with 59% women.

Medicare patients, 2024657
Average age73
Average risk score1.67
Also on Medicaid38%

Dr. Marmarelis' Medicare patients by age, 2024

Dr. Marmarelis' Medicare patients by sex, 2024

  • Women39460%
  • Men26340%

Chronic conditions among Dr. Marmarelis' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Diabetes40%
  5. Mood disorders39%
  6. Depression36%
  7. Chronic kidney disease32%
  8. Ischemic heart disease31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Marmarelis' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Panos Z. Marmarelis wrote 1,588 Medicare Part D claims in 2024

In 2024, Dr. Marmarelis wrote 1,588 Medicare Part D claims for 177 patients. 99% of them were for generic drugs. CMS names the drug for 1,421 of them, across 33 drugs with 11 or more claims each, at $24,782 in total drug cost. In 2023, CMS named 1,164 claims across 32 drugs.

Part D claims, 20241,588
Drugs named by CMS33
Total drug cost$24,782
Part D patients177

Dr. Marmarelis' Part D claims by kind of drug, 2024

  • Generic1,576 claims99%
  • Brand-name12 claims1%

Dr. Marmarelis' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Marmarelis' Part D claims, 2024

  • Opioids4%67 of 1,588 claims
  • Antipsychotics, patients 65 and over2%38 of 1,588 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,1642024: 1,42122%

Drugs named by CMS: 33 in 2024, 32 in 2023.

See all prescribing by Dr. Marmarelis

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Panos Z. Marmarelis scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Marmarelis for performance year 2024, reported as part of a group. Dr. Marmarelis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marmarelis as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Panos Z. Marmarelis has 9 publications on record

Dmand AI links 9 papers to Dr. Marmarelis. The most frequent topics are Fishes, Retina and Evoked Potentials. Dr. Marmarelis has published most often in J Neurophysiol. Dr. Marmarelis' most frequent co-author is Mark Christopher Asbill, MD.

Papers9

Topics Dr. Marmarelis writes about most

  • Fishes
  • Retina
  • Evoked Potentials
  • Models, Neurological
  • Acoustic Stimulation
  • Ganglia
  • Mathematics
  • Models, Biological

Dr. Marmarelis' most frequent co-authors

Recent publications by Dr. Marmarelis

See all 9 publications and co-authors

See who Dr. Marmarelis researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marmarelis works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Panos Z. Marmarelis received $670 in industry payments from 2016 to 2024

CMS Open Payments shows 31 general payments to Dr. Marmarelis from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $237.

General payments to Dr. Marmarelis by program year, 2016 to 2024

Companies that paid Dr. Marmarelis the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Marmarelis

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Panos Z. Marmarelis has 1 award and honors on record

Dmand AI lists 1 award for Dr. Marmarelis, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Marmarelis

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Panos Z. Marmarelis graduated from University of Miami, Miller School of Medicine

Dr. Marmarelis graduated from University of Miami, Miller School of Medicine in 1977.

  1. Medical schoolUniversity of Miami, Miller School of Medicine
  2. Board certified in neurologyAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. Panos Z. Marmarelis accepts plans from 15 insurance carriers

Dr. Marmarelis is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • LA Care
  • Aetna
  • Blue Cross Blue Shield of Massachusetts
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Marmarelis accepts, by number of carriers

  1. HMO8
  2. Medicare8
  3. PPO8
  4. EPO3
  5. POS2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Panos Z. Marmarelis's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Panos Z. Marmarelis

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Panos Z. Marmarelis' NPI number?

Dr. Panos Z. Marmarelis' NPI number is 1275585622. It was assigned on May 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Panos Z. Marmarelis?

Dr. Panos Z. Marmarelis is a neurologist in Long Beach, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Panos Z. Marmarelis practice?

Dr. Marmarelis practices at 1045 Atlantic Ave, Long Beach, CA 90813. Dr. Marmarelis' primary practice is Neuromedical Diagnostic Medical Group in Long Beach, California. Dmand AI also links Dr. Marmarelis to 1 group practice or clinic.

What is Dr. Panos Z. Marmarelis' office phone number?

The practice phone on file for Dr. Marmarelis is (562) 591-1324.

What is Dr. Panos Z. Marmarelis' medical license number?

Dr. Marmarelis holds California license G37550.

What medical group is Dr. Panos Z. Marmarelis part of?

Dr. Marmarelis is linked to NeuroMedical Diagnostic Group.

Does Dr. Panos Z. Marmarelis accept Medicare?

Yes. CMS data shows Dr. Marmarelis billed Medicare for 2,557 services in 2024, and Dr. Marmarelis accepts Medicare assignment.

Does Dr. Panos Z. Marmarelis offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Marmarelis as offering telehealth services.

What is Dr. Panos Z. Marmarelis' MIPS score?

Dr. Marmarelis' MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.

How many Medicare patients does Dr. Panos Z. Marmarelis see?

CMS counts 657 Medicare patients who saw Dr. Marmarelis in 2024, with an average age of 73.

Show 9 more questionsShow fewer questions

Is Dr. Panos Z. Marmarelis board certified?

Yes. Dr. Marmarelis is board certified in neurology by the American Board of Psychiatry and Neurology.

What services does Dr. Panos Z. Marmarelis bill to Medicare?

In 2024, Dr. Marmarelis' most billed Medicare services were office visit, established patient (99214), nerve and brain test (95886) and office visit, new patient (99204).

Where did Dr. Panos Z. Marmarelis go to medical school?

Dr. Marmarelis graduated from University of Miami, Miller School of Medicine in 1977.

What drugs does Dr. Panos Z. Marmarelis prescribe most?

In 2024 Medicare Part D data, Dr. Marmarelis' most prescribed drugs by claims were Mirtazapine, Gabapentin and Carbidopa-Levodopa.

Has Dr. Panos Z. Marmarelis received payments from drug or device companies?

CMS Open Payments shows $670 in general payments to Dr. Marmarelis from 12 companies from 2016 to 2024. The largest total came from Allergan Inc.

How long has Dr. Panos Z. Marmarelis been practicing?

Dr. Marmarelis graduated from medical school in 1977, 49 years ago.

Does Dr. Panos Z. Marmarelis do research?

Dmand AI links 9 publications to Dr. Marmarelis.

Who does Dr. Panos Z. Marmarelis publish with?

Dr. Marmarelis' most frequent co-authors are Mark Christopher Asbill, MD (1 shared paper).

What insurance does Dr. Panos Z. Marmarelis accept?

Dr. Marmarelis is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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