Quick answers
- Does Panos Z. Marmarelis accept Medicare assignment?
- Yes. Medicare's clinician data says Panos Z. Marmarelis accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Panos Z. Marmarelis see?
- In 2024, CMS data shows 657 Original Medicare patients and 2,585 services for Panos Z. Marmarelis. This counts Original Medicare only and measures volume, not quality.
- What is Panos Z. Marmarelis's NPI number?
- 1275585622. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Panos Z. Marmarelis, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 657 |
|---|---|
| Services billed to Medicare | 2,585 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,385 services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)367 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)225 services
- Measurement of brain wave activity (eeg), awake and drowsy (95816)205 services
- Nerve conduction, 5-6 studies (95909)119 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes40%
- Depression36%
- Chronic kidney disease32%
Practice locations
Addresses where Panos Z. Marmarelis is enrolled with Medicare (CMS data updated October 2, 2026).
- 1045 Atlantic Ave, Suite 719Long Beach, CA 90813
Group practices
Medicare enrollment lists Panos Z. Marmarelis as a member of this group (CMS data updated October 2, 2026).
- Neuromedical Diagnostic Medical Group6 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Long Beach
Clinicians with the same Medicare primary specialty in Long Beach, CA — not a recommendation.
Other clinicians in Neuromedical Diagnostic Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 1977 (49 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275585622 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians