Physician Profile
Laurence J. Greenwood, M.D.
Unclaimed ProfileAbout Dr. Greenwood
Laurence J. Greenwood, M.D. is a healthcare provider in Lanham, MD specializing in psychiatry. Laurence is also listed as specializing in psychologist — clinical, psychologist, and psychologist — clinical child & adolescent. Medicare claims data shows Laurence provided 4,037 services to 617 patients. The services billed most often include psychotherapy with evaluation and management visit, 30 minutes, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and psychotherapy, 45 minutes. This provider record is associated with NPI 1386675601.
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
- (301) 335-3854
- Email not available
Practice Locations
4200 FORBES BLVD STE 104
Lanham, MD 20706
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
- Dementia with behavioral symptoms
- Prolonged grief disorder
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
- Borderline personality disorder
- Dissociative disorders
- Narcissistic personality disorder
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
- Suicide and safety risk assessment
Addiction care
Addiction Medicine
- Alcohol Detox and Withdrawal Management
- Dual Diagnosis Treatment
- Suboxone Treatment and MAT
Assessments
- Adult ADHD Testing
- Autism testing
- Cognitive Assessment
Brain stimulation
- Neurofeedback
- Vagus Nerve Stimulation
Consultations
- Psychiatric Second Opinion
Diagnostics
- Neuropsychological Testing
- Psychiatric Genetic Testing
Inpatient care
- Inpatient Psychiatric Care
Interventional psychiatry
- Spravato Treatment
Psychotherapy
- Anger Management Counseling
- Couples counseling
- EMDR Therapy
- Exposure and Response Prevention
Sleep Medicine
Specialized care
- Light Therapy
Therapy
Therapy and care
- Family therapy
- Group psychotherapy
- Supportive psychotherapy
Procedures Most Often Billed to Medicare
4,037 services · 617 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
1,297 | More than most peers in Psychiatry |
| Psychotherapy, 45 minutes | Treatment | 90834 |
649 | More than most peers in Psychiatry |
| Psychotherapy, 1 hour | Treatment | 90837 |
172 | As often as other peers in Psychiatry |
| Psychotherapy, 30 minutes | Treatment | 90832 |
139 | More often than most peers in Psychiatry |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
37 | More often than most peers in Psychiatry |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
36 | 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 |
1,198 | More than most peers in Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
478 | More than most peers in Psychiatry |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
31 | Less 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.
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.
Other psychiatrists in Lanham 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1965 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Laurence J. Greenwood specialize in?
Laurence J. Greenwood is a psychiatrist in Lanham, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where is Laurence J. Greenwood located?
Laurence J. Greenwood is listed at 4200 Forbes Blvd Ste 104, Lanham, MD 20706. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Laurence J. Greenwood's phone number?
The number on file is (301) 335-3854. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Laurence J. Greenwood?
Laurence J. Greenwood's National Provider Identifier is 1386675601. 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 Laurence J. Greenwood train?
Laurence J. Greenwood attended Other, graduating in 1965. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Laurence J. Greenwood have?
Laurence J. Greenwood has 61 years experience. Calculated from a graduation year of 1965, reported in the CMS National Downloadable File.
CMS public data
What does Laurence J. Greenwood do most often?
According to Medicare billing data, Laurence J. Greenwood provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychotherapy, 45 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Laurence J. Greenwood's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Laurence J. Greenwood. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.