Physician Profile
Joseph Trettel, MD PHD
Unclaimed ProfileAbout Dr. Trettel
Joseph Trettel, MD PHD is a healthcare provider in Boston, MA specializing in psychiatry. Joseph trained at University of Connecticut School of Medicine, graduating in 2008. According to Medicare claims data, Joseph cared for 40 Medicare patients across 198 services. The services billed most often include therapy using electrical currents.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (617) 732-6753
- Email not available
Practice Locations
221 LONGWOOD AVE
Boston, MA 02115
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
198 services · 40 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Therapy using electrical currents | Treatment | 90870 |
198 | More often 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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 32 related providers in 4 groups
Other psychiatrists in Boston 8
Same specialty, same city.
Trained at University of Connecticut School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at University of Connecticut School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Therapy using electrical currents 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. Trettel specialize in?
Dr. Trettel is a psychiatrist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Dr. Trettel located?
Dr. Trettel is listed at 221 Longwood Ave, Boston, MA 02115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Trettel's phone number?
The number on file is (617) 732-6753. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Trettel's NPI number?
Dr. Trettel's National Provider Identifier is 1750542502. 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. Trettel go to medical school?
Dr. Trettel attended University of Connecticut School of Medicine, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Trettel been practicing?
Dr. Trettel has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Trettel do most often?
According to Medicare billing data, Dr. Trettel provides treatments such as therapy using electrical currents. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Trettel confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Trettel. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.