Electroencephalogr Clin Neurophysiol
Dr. Panos Z. Marmarelis, MD, PhD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Neuromedical Diagnostic Medical Group
Long Beach, California
Find Dr. Marmarelis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
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
- 1275585622NPI Registry (opens in a new tab)
- 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 Group1045 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.
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.
| Site | EHR vendor and product |
|---|---|
| Neuromedical Diagnostic Medical Group | Available with a free account |
| +1 more affiliated site | Available 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, CaliforniaPrimary
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.
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.
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.
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.
Dr. Marmarelis' Medicare patients by age, 2024
Dr. Marmarelis' Medicare patients by sex, 2024
- Women39460%
- Men26340%
Chronic conditions among Dr. Marmarelis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes40%
- Mood disorders39%
- Depression36%
- Chronic kidney disease32%
- 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.
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.
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
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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.
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
J Neurophysiol
IEEE Trans Biomed Eng
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.
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.
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
- 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.
- Medical school
- Board certified in 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
- HMO8
- Medicare8
- PPO8
- EPO3
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Panos Z. Marmarelis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand 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.
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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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