Dr. Marinos C. Dalakas, MD

  • Philadelphia, PA
  • Neurologist
NPI1275739906PAC ID7719087444
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Jefferson University Physicians

Philadelphia, Pennsylvania

See all 5 affiliations

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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 and contact details
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
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Mobile number
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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 Physicians
    909 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.

See all 5 affiliations for Dr. Dalakas

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.

EHR by site
SiteEHR vendor and product
Jefferson University PhysiciansAvailable with a free account
+2 more sites and 1 medical groupAvailable 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, PennsylvaniaPrimaryLicense MD431100 · taxonomy 2084N0400X

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.

Medicare services, 2024228
Medicare patients138
Paid by Medicare$27,289
Procedure codes3

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.

See all procedures by Dr. Dalakas

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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.

Medicare patients, 2024138
Average age73
Average risk score1.57
Also on Medicaid11%

Dr. Dalakas' Medicare patients by age, 2024

Dr. Dalakas' Medicare patients by sex, 2024

  • Women6547%
  • Men7353%

Chronic conditions among Dr. Dalakas' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis61%
  4. Anxiety41%
  5. Diabetes40%
  6. Mood disorders36%
  7. Depression34%
  8. 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.

Part D claims, 2024326
Drugs named by CMS6
Total drug cost$4.2M
Part D patients30

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.

See all prescribing by Dr. Dalakas

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)

For MedTech and pharma teams

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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.

Papers164
Years published2002 to 2025

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

Recent publications by Dr. Dalakas

See all 164 publications and co-authors

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.

How network discovery works

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

  1. NonePhase 1: no trials
  2. 2Phase 2: 2 trials
  3. 1Phase 2/3: 1 trial
  4. NonePhase 3: no trials
  5. 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

Recent clinical trials with Dr. Dalakas

See all 7 clinical trials and co-investigators

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

$146.5Kin total
  • 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.

See all payments to Dr. Dalakas

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

Sources for Dr. Marinos C. Dalakas'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 DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. 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.

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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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