Physician Profile
Vassilis E. Koliatsos, MD
Unclaimed ProfileAbout Dr. Koliatsos
Vassilis E. Koliatsos, MD is a healthcare provider in Baltimore, MD specializing in psychiatry. Medicare claims data shows Vassilis provided 261 services to 96 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. This provider record is associated with NPI 1679623045.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 938-3000
- Email not available
Practice Locations
6501 N CHARLES ST
Baltimore, MD 21204
Conditions Commonly Evaluated or Treated
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
Addiction care
Addiction Medicine
Assessments
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
261 services · 96 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
162 | More than most peers in Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
73 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
26 | More than most peers in Psychiatry |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychiatrists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 7 related providers in 1 group
Common questions
What does Dr. Koliatsos specialize in?
Dr. Koliatsos is a psychiatrist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Dr. Koliatsos located?
Dr. Koliatsos is listed at 6501 N Charles St, Baltimore, MD 21204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Koliatsos's phone number?
The number on file is (410) 938-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Koliatsos?
Dr. Koliatsos's National Provider Identifier is 1679623045. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Koliatsos go to medical school?
Dr. Koliatsos attended Other, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Koliatsos have?
Dr. Koliatsos has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Koliatsos do most often?
According to Medicare billing data, Dr. Koliatsos the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Koliatsos's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Koliatsos. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.