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Edit this profileAt a glance
- 151 Everette Ave Chc, Chelsea Healthcare Center, Chelsea, MA 02150
About Dr. Greer
Diane C. Greer, MD practices geriatric psychiatry in Chelsea, MA. Diane is a 1987 graduate of University of Pittsburgh School of Medicine. Diane is also listed as specializing in psychiatry. Medicare claims data shows Diane provided 323 services to 107 patients. The services billed most often include telephone medical discussion with physician, 21-30 minutes, 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 low level od decision making, if using time, 20 minutes or more. The provider's National Provider Identifier (NPI) is 1225019151.
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) 889-8515
- Email not available
Practice Locations
151 EVERETTE AVE CHC CHELSEA HEALTHCARE CENTER
Chelsea, MA 02150
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
- Adult ADHD Testing
- Autism testing
- Cognitive Assessment
Brain stimulation
Consultations
Diagnostics
Inpatient care
Interventional psychiatry
Psychotherapy
Sleep Medicine
Specialized care
Therapy
Therapy and care
Procedures Most Often Billed to Medicare
323 services · 107 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
163 | More than most peers in Geriatric Psychiatry |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
113 | As often as other peers in Geriatric Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
29 | Less often than most peers in Geriatric Psychiatry |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
18 | Too few peers to compare |
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.
Trained at University of Pittsburgh School of Medicine 2
Other providers in the same specialty who trained at the same institution.
Class of 1987 at University of Pittsburgh School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Greer's specialty?
Dr. Greer is a geriatric psychiatry in Chelsea, MA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Dr. Greer?
Dr. Greer is listed at 151 Everette Ave Chc Chelsea Healthcare Center, Chelsea, MA 02150. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Greer?
The number on file is (617) 889-8515. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Greer?
Dr. Greer's National Provider Identifier is 1225019151. 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
What is Dr. Greer's medical education?
Dr. Greer attended University of Pittsburgh School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Greer have?
Dr. Greer has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Greer known for?
According to Medicare billing data, Dr. Greer 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. Greer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.