Neurol Neuroimmunol Neuroinflamm
Dr. Marinos C. Dalakas, MD
- Medicare services, 2024
- 228
- Medicare patients, 2024
- 138
- Part D claims, 2024
- 326
- Publications
- 164
- Clinical trials
- 7
- Practice address
- 909 Walnut St, Philadelphia, PA 19107
- Practice phone
- Call (215) 955-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jefferson University Physicians
Philadelphia, Pennsylvania
Find Dr. Dalakas' 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. Marinos C. Dalakas is a neurologist in Philadelphia, Pennsylvania
Dr. Dalakas practices at Jefferson University Physicians in Philadelphia, Pennsylvania.
Dr. Dalakas' NPI, 1275739906, was assigned on June 21, 2007. Dr. Dalakas holds Pennsylvania license MD431100.
- NPI
- 1275739906NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719087444
- NPI enumeration date
- June 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (215) 955-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marinos C. Dalakas practices at Jefferson University Physicians in Philadelphia, Pennsylvania
Dr. Dalakas' primary practice is Jefferson University Physicians, at 909 Walnut St, Philadelphia, PA 19107 in Philadelphia County. The practice phone is (215) 955-0000.
- Jefferson University Physicians909 Walnut St, Philadelphia, PA 19107 · Philadelphia CountyPhone(215) 955-0000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marinos C. Dalakas is affiliated with 3 sites of care and 2 medical groups
Dr. Dalakas' primary practice is Jefferson University Physicians in Philadelphia, Pennsylvania. Dr. Dalakas is also affiliated with Thomas Jefferson University Hospital. The medical group on file is Jefferson University Physicians. Dmand AI also links Dr. Dalakas to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marinos C. Dalakas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dalakas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jefferson University Physicians | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marinos C. Dalakas is one of 910 neurologists in Pennsylvania
Neurology is Dr. Dalakas' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Dalakas is licensed in Pennsylvania.
Specialties and state licenses
- Neurology, PennsylvaniaPrimary
Neurologists near Dr. Dalakas
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. Marinos C. Dalakas billed Medicare for 228 services in 2024
CMS data shows 228 Medicare services from Dr. Dalakas across 3 procedure codes in 2024, all of them office visits, for 138 Medicare patients. Medicare paid $27,289 for them.
Dr. Dalakas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1632024: 22840%
Where Dr. Dalakas' Medicare services took place, 2024
- In an office5323%
- In a facility17577%
Dr. Dalakas compared with the Pennsylvania median for neurologists, 2024
- Dr. Dalakas
- Pennsylvania median
- Medicare services
- 228vs 31026% below
- Medicare patients
- 138vs 19328% below
- Part D claims
- 284vs 281Close to median
Medians across 876 neurologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Dalakas' 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dalakas and other neurologists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marinos C. Dalakas treated 138 Medicare patients in 2024, average age 73
CMS counts 138 Medicare patients who saw Dr. Dalakas in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.57, 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. Dalakas' median patient age at 64, with 49% women.
Dr. Dalakas' Medicare patients by age, 2024
Dr. Dalakas' Medicare patients by sex, 2024
- Women6547%
- Men7353%
Chronic conditions among Dr. Dalakas' Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis61%
- Anxiety41%
- Diabetes40%
- Mood disorders36%
- Depression34%
- Ischemic heart disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dalakas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women49%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marinos C. Dalakas wrote 326 Medicare Part D claims in 2024
In 2024, Dr. Dalakas wrote 326 Medicare Part D claims for 30 patients. 9% of them were for generic drugs. CMS names the drug for 284 of them, across 6 drugs with 11 or more claims each, at $4,169,328 in total drug cost. In 2023, CMS named 322 claims across 10 drugs.
Dr. Dalakas' Part D claims by kind of drug, 2024
- Generic28 claims9%
- Brand-name298 claims91%
Dr. Dalakas' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3222024: 28412%
Drugs named by CMS: 6 in 2024, 10 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. Marinos C. Dalakas offers telehealth to Medicare patients
Dr. Dalakas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dalakas as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Marinos C. Dalakas has 164 publications on record
Dmand AI links 164 papers to Dr. Dalakas, published from 2002 to 2025. 2022 was the busiest year, with 10. The most frequent topics are Autoantibodies, Immunoglobulins, Intravenous and Myositis, Inclusion Body. Dr. Dalakas has published most often in Neurol Neuroimmunol Neuroinflamm. Dr. Dalakas' most frequent co-authors are Norman Latov, MD, Goran Rakocevic, MD and Peter Daniel Donofrio, MD.
Dr. Dalakas' papers by year, 2016 to 2025
Topics Dr. Dalakas writes about most
- Autoantibodies
- Immunoglobulins, Intravenous
- Myositis, Inclusion Body
- Muscle, Skeletal
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
- Stiff-Person Syndrome
- Glutamate Decarboxylase
- Double-Blind Method
Dr. Dalakas' most frequent co-authors
- Norman Latov, MD10 shared papers
- Goran Rakocevic, MD8 shared papers
- Peter Daniel Donofrio, MD7 shared papers
Recent publications by Dr. Dalakas
Neurol Neuroimmunol Neuroinflamm
See who Dr. Dalakas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dalakas 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. Marinos C. Dalakas has worked on 7 clinical trials
Dmand AI links Dr. Dalakas to 7 clinical trials, 2 of them phase 2 studies. Conditions studied include Myasthenia Gravis, Polyradiculoneuropathy, Chronic Inflammatory Demyelinating and Neuromuscular Junction Diseases. Baxalta now part of Shire sponsors the most, 2. Open Payments lists research payments to Dr. Dalakas that name 2 trials.
Clinical trials with Dr. Dalakas by phase
- NonePhase 1: no trials
- 2Phase 2: 2 trials
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Dr. Dalakas' trials
- Myasthenia Gravis
- Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
- Neuromuscular Junction Diseases
- Polyradiculoneuropathy
- Miller Fisher Syndrome
Investigators on the most trials with Dr. Dalakas
- Richard Joseph Nowak, MD3 shared trials
- Robert M. Pascuzzi, MD3 shared trials
- Michael Thomas Pulley, MD3 shared trials
Recent clinical trials with Dr. Dalakas
A Study to Evaluate the Efficacy and Safety of IGIV-C in Symptomatic Subjects With Generalized Myasthenia Gravis (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Marinos C. Dalakas received $146,512 in industry payments from 2016 to 2025
CMS Open Payments shows 86 general payments to Dr. Dalakas from 17 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 65% of the total. Sanofi and Genzyme US Companies paid the most, $36,210. It also lists 32 research payments totaling $27,200 from 2019 to 2025, naming 2 clinical trials.
General payments to Dr. Dalakas by program year, 2016 to 2025
General payments to Dr. Dalakas by kind, 2016 to 2025
- Consulting fees$94,68765%
- Travel and lodging$24,04316%
- Honoraria$15,03010%
- Speaker and faculty fees$9,9007%
- Other$2,8522%
Companies that paid Dr. Dalakas the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marinos C. Dalakas'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 DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Marinos C. Dalakas
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. Marinos C. Dalakas' NPI number?
Dr. Marinos C. Dalakas' NPI number is 1275739906. It was assigned on June 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Marinos C. Dalakas?
Dr. Marinos C. Dalakas is a neurologist in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Marinos C. Dalakas practice?
Dr. Dalakas practices at 909 Walnut St, Philadelphia, PA 19107. Dr. Dalakas' primary practice is Jefferson University Physicians in Philadelphia, Pennsylvania. Dmand AI also links Dr. Dalakas to 1 group practice or clinic and 1 medical group.
What is Dr. Marinos C. Dalakas' office phone number?
The practice phone on file for Dr. Dalakas is (215) 955-0000.
What is Dr. Marinos C. Dalakas' medical license number?
Dr. Dalakas holds Pennsylvania license MD431100.
Which hospitals is Dr. Marinos C. Dalakas affiliated with?
Dr. Dalakas is affiliated with Thomas Jefferson University Hospital.
What medical group is Dr. Marinos C. Dalakas part of?
Dr. Dalakas is linked to Jefferson University Physicians. Dmand AI links Dr. Dalakas to 1 more medical group.
Does Dr. Marinos C. Dalakas accept Medicare?
Yes. CMS data shows Dr. Dalakas billed Medicare for 228 services in 2024, and Dr. Dalakas accepts Medicare assignment.
Does Dr. Marinos C. Dalakas offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Dalakas as offering telehealth services.
How many Medicare patients does Dr. Marinos C. Dalakas see?
CMS counts 138 Medicare patients who saw Dr. Dalakas in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
What services does Dr. Marinos C. Dalakas bill to Medicare?
In 2024, Dr. Dalakas' most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and office visit, new patient (99204).
What drugs does Dr. Marinos C. Dalakas prescribe most?
In 2024 Medicare Part D data, Dr. Dalakas' most prescribed drugs by claims were Privigen, Gammaked and Gammaplex.
Has Dr. Marinos C. Dalakas received payments from drug or device companies?
CMS Open Payments shows $146,512 in general payments to Dr. Dalakas from 17 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Marinos C. Dalakas been practicing?
Dr. Dalakas graduated from medical school in 1972, 54 years ago.
Does Dr. Marinos C. Dalakas do research?
Dmand AI links 164 publications to Dr. Dalakas, published from 2002 to 2025. Dr. Dalakas has worked on 7 clinical trials.
Who does Dr. Marinos C. Dalakas publish with?
Dr. Dalakas' most frequent co-authors are Norman Latov, MD (10 shared papers), Goran Rakocevic, MD (8 shared papers) and Peter Daniel Donofrio, MD (7 shared papers).
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