Dr. Vassilis Eleftherios Koliatsos, MD

  • Towson, MD
  • Psychiatrist
NPI1679623045PAC ID1951425842
Medicare services, 2024
261
Medicare patients, 2024
57
Part D claims, 2024
993
Publications
51
MIPS score, 2024
66
Practice address
6501 N Charles St, Towson, MD 21204
Practice phone
Call (410) 938-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sheppard and Enoch Pratt Hospital

Towson, Maryland

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Dr. Vassilis Eleftherios Koliatsos is a psychiatrist in Towson, Maryland

Dr. Koliatsos practices at Sheppard and Enoch Pratt Hospital in Towson, Maryland.

Dr. Koliatsos' NPI, 1679623045, was assigned on January 10, 2007. Dr. Koliatsos holds Maryland license D0047549.

NPI and contact details
Medicare PAC ID
1951425842
NPI enumeration date
January 10, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(410) 938-3000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
70
Medical school graduation
1982

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

Dr. Vassilis Eleftherios Koliatsos practices at Sheppard and Enoch Pratt Hospital in Towson, Maryland

Dr. Koliatsos' primary practice is Sheppard and Enoch Pratt Hospital, at 6501 N Charles St, Towson, MD 21204 in Baltimore County. The practice phone is (410) 938-3000.

  • Sheppard and Enoch Pratt Hospital
    6501 N Charles St, Towson, MD 21204 · Baltimore CountyPhone(410) 938-3000

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

Dr. Vassilis Eleftherios Koliatsos is affiliated with 2 sites of care and 1 medical group

Dr. Koliatsos' primary practice is Sheppard and Enoch Pratt Hospital in Towson, Maryland. Dr. Koliatsos is also affiliated with Sheppard Pratt - Towson Campus. The medical group on file is Sheppard Pratt.

See all 3 affiliations for Dr. Koliatsos

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. Vassilis Eleftherios Koliatsos' practice

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

EHR by site
SiteEHR vendor and product
Sheppard and Enoch Pratt HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Vassilis Eleftherios Koliatsos is one of 901 psychiatrists in Maryland

Psychiatry is Dr. Koliatsos' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Koliatsos is licensed in Maryland.

Specialties and state licenses

  • Psychiatry, MarylandPrimaryLicense D0047549 · taxonomy 2084P0800X

Psychiatrists near Dr. Koliatsos

Counts of psychiatrists 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. Vassilis Eleftherios Koliatsos billed Medicare for 261 services in 2024

CMS data shows 261 Medicare services from Dr. Koliatsos across 2 procedure codes in 2024, all of them office visits, for 57 Medicare patients. Medicare paid $28,042 for them.

Medicare services, 2024261
Medicare patients57
Paid by Medicare$28,042
Procedure codes2

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

  • 2023
  • 2024
Office and hospital visits
2023: 2662024: 2612%

Where Dr. Koliatsos' Medicare services took place, 2024

  • In an office2610%
  • In a facility23590%

Dr. Koliatsos compared with the Maryland median for psychiatrists, 2024

  • Dr. Koliatsos
  • Maryland median
Medicare services
261vs 18839% above
Medicare patients
57vs 538% above
Part D claims
915vs 1167.9 times

Medians across 1,014 psychiatrists in Maryland with Dmand AI profiles that report each measure.

Dr. Koliatsos' 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. Koliatsos

Need commercial claims for Dr. Koliatsos?

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

Dr. Vassilis Eleftherios Koliatsos treated 57 Medicare patients in 2024, average age 58

CMS counts 57 Medicare patients who saw Dr. Koliatsos in 2024. The largest group is under 65, with 39 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 72% are also on Medicaid. Their average risk score is 1.56, 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. Koliatsos' median patient age at 53, with 32% women.

Medicare patients, 202457
Average age58
Average risk score1.56
Also on Medicaid72%

Dr. Koliatsos' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Koliatsos' Medicare patients by sex, 2024

  • Women1425%
  • Men4375%

Chronic conditions among Dr. Koliatsos' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure65%
  3. Mood disorders61%
  4. Alzheimer's and dementia42%
  5. Bipolar disorder40%
  6. Depression40%
  7. Anxiety37%
  8. Schizophrenia and other psychoses30%

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

Dr. Koliatsos' patients across all payers

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

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women32%
  • Men67%

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

Dr. Vassilis Eleftherios Koliatsos wrote 993 Medicare Part D claims in 2024

In 2024, Dr. Koliatsos wrote 993 Medicare Part D claims for 57 patients. 98% of them were for generic drugs. CMS names the drug for 915 of them, across 27 drugs with 11 or more claims each, at $53,829 in total drug cost. In 2023, CMS named 1,157 claims across 27 drugs.

Part D claims, 2024993
Drugs named by CMS27
Total drug cost$53,829
Part D patients57

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

  • Generic970 claims98%
  • Brand-name23 claims2%

Dr. Koliatsos' 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. Koliatsos' Part D claims, 2024

  • Antipsychotics, patients 65 and over9%88 of 993 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: 1,1572024: 91521%

Drugs named by CMS: 27 in 2024, 27 in 2023.

See all prescribing by Dr. Koliatsos

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. Vassilis Eleftherios Koliatsos scored 66 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 66 out of 100 for Dr. Koliatsos for performance year 2024, reported as part of a group. Dr. Koliatsos accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Koliatsos as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Koliatsos' MIPS scores, performance year 2024

  • 66of 100Final score
  • 30.1of 100Quality
  • 80of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 58of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

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. Vassilis Eleftherios Koliatsos has 51 publications on record

Dmand AI links 51 papers to Dr. Koliatsos, published from 2004 to 2024. 2015 was the busiest year, with 8. The most frequent topics are Axons, Brain Injuries, Traumatic and Brain Injuries. Dr. Koliatsos has published most often in Phys Med Biol. Dr. Koliatsos' most frequent co-authors are Nafi Aygun, MD, Margo D. Lauterbach, MD and Constantine G. Lyketsos, MD.

Papers51
Years published2004 to 2024

Dr. Koliatsos' papers by year, 2014 to 2024

Topics Dr. Koliatsos writes about most

  • Axons
  • Brain Injuries, Traumatic
  • Brain Injuries
  • Disease Models, Animal
  • Neurons
  • Brain
  • Blast Injuries
  • Cell Differentiation

Dr. Koliatsos' most frequent co-authors

Recent publications by Dr. Koliatsos

See all 51 publications and co-authors

See who Dr. Koliatsos researches with

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

How network discovery works

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

Dr. Vassilis Eleftherios Koliatsos received $1,441 in industry payments in 2017

CMS Open Payments shows 11 general payments to Dr. Koliatsos from 1 drug or device company in 2017. Travel and lodging make up the largest share, 88% of the total. GlaxoSmithKline, LLC. paid the most, $1,441.

General payments to Dr. Koliatsos by kind, 2017 to 2017

$1.4Kin total
  • Travel and lodging$1,26588%
  • Food and beverage$17612%

Companies that paid Dr. Koliatsos the most, 2017 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Koliatsos

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

Sources for Dr. Vassilis Eleftherios Koliatsos'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)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)
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. Vassilis Eleftherios Koliatsos

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. Vassilis Eleftherios Koliatsos' NPI number?

Dr. Vassilis Eleftherios Koliatsos' NPI number is 1679623045. It was assigned on January 10, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Vassilis Eleftherios Koliatsos?

Dr. Vassilis Eleftherios Koliatsos is a psychiatrist in Towson, Maryland. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. Vassilis Eleftherios Koliatsos practice?

Dr. Koliatsos practices at 6501 N Charles St, Towson, MD 21204. Dr. Koliatsos' primary practice is Sheppard and Enoch Pratt Hospital in Towson, Maryland.

What is Dr. Vassilis Eleftherios Koliatsos' office phone number?

The practice phone on file for Dr. Koliatsos is (410) 938-3000.

What is Dr. Vassilis Eleftherios Koliatsos' medical license number?

Dr. Koliatsos holds Maryland license D0047549.

Which hospitals is Dr. Vassilis Eleftherios Koliatsos affiliated with?

Dr. Koliatsos is affiliated with Sheppard Pratt - Towson Campus.

What medical group is Dr. Vassilis Eleftherios Koliatsos part of?

Dr. Koliatsos is linked to Sheppard Pratt.

Does Dr. Vassilis Eleftherios Koliatsos accept Medicare?

Yes. CMS data shows Dr. Koliatsos billed Medicare for 261 services in 2024, and Dr. Koliatsos accepts Medicare assignment.

Does Dr. Vassilis Eleftherios Koliatsos offer telehealth?

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

What is Dr. Vassilis Eleftherios Koliatsos' MIPS score?

Dr. Koliatsos' MIPS final score for performance year 2024 is 66 out of 100, reported as part of a group.

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How many Medicare patients does Dr. Vassilis Eleftherios Koliatsos see?

CMS counts 57 Medicare patients who saw Dr. Koliatsos in 2024, with an average age of 58.

What services does Dr. Vassilis Eleftherios Koliatsos bill to Medicare?

In 2024, Dr. Koliatsos' most billed Medicare services were office visit, established patient (99215) and office visit, established patient (99214).

What drugs does Dr. Vassilis Eleftherios Koliatsos prescribe most?

In 2024 Medicare Part D data, Dr. Koliatsos' most prescribed drugs by claims were Quetiapine Fumarate, Divalproex Sodium and Escitalopram Oxalate.

Has Dr. Vassilis Eleftherios Koliatsos received payments from drug or device companies?

CMS Open Payments shows $1,441 in general payments to Dr. Koliatsos from 1 company from 2017 to 2017. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Vassilis Eleftherios Koliatsos been practicing?

Dr. Koliatsos graduated from medical school in 1982, 44 years ago.

Does Dr. Vassilis Eleftherios Koliatsos do research?

Dmand AI links 51 publications to Dr. Koliatsos, published from 2004 to 2024.

Who does Dr. Vassilis Eleftherios Koliatsos publish with?

Dr. Koliatsos' most frequent co-authors are Nafi Aygun, MD (7 shared papers), Margo D. Lauterbach, MD (3 shared papers) and Constantine G. Lyketsos, MD (2 shared papers).

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