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Edit this profileAt a glance
- 221 Longwood Ave, Rf-M56, Boston, MA 02115
About Dr. Grimaldi
Based in Boston, MA, John ANDREW RAINIER Grimaldi, M.D. is listed in the NPI registry under psychiatry. John graduated from Vanderbilt University School of Medicine in 1978. According to Medicare claims data, John cared for 136 Medicare patients across 362 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, telephone medical discussion with physician, 21-30 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1720027832 identifies this record in the national registry.
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
- (617) 732-6753
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
221 LONGWOOD AVE RF-M56
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
Cognitive and adjustment
Eating, sleep, and somatic
Geriatric care
Mental Health
Neurodevelopmental and behavioral
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Eating Disorders
Mood & Depression
Personality and dissociative
Sleep & Wakefulness
Procedures & services
Advanced treatment
Assessment
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
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
362 services · 136 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
203 | More often than most peers in Psychiatry |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
82 | More often 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 |
53 | As often as other 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 |
24 | As often as other 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 — 24 related providers in 3 groups
Other psychiatrists in Boston 8
Same specialty, same city.
Trained at Vanderbilt University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1978 at Vanderbilt University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is John ANDREW RAINIER Grimaldi?
John ANDREW RAINIER Grimaldi 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
What is John ANDREW RAINIER Grimaldi's address?
John ANDREW RAINIER Grimaldi is listed at 221 Longwood Ave Rf-M56, Boston, MA 02115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John ANDREW RAINIER Grimaldi?
The number on file is (617) 732-6753. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John ANDREW RAINIER Grimaldi's NPI number?
John ANDREW RAINIER Grimaldi's National Provider Identifier is 1720027832. 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 John ANDREW RAINIER Grimaldi train?
John ANDREW RAINIER Grimaldi attended Vanderbilt University School of Medicine, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has John ANDREW RAINIER Grimaldi been practicing?
John ANDREW RAINIER Grimaldi has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does John ANDREW RAINIER Grimaldi perform?
According to Medicare billing data, John ANDREW RAINIER Grimaldi 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
Has John ANDREW RAINIER Grimaldi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John ANDREW RAINIER Grimaldi. If this is you, claiming it is free.
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