Laurence Greenwood, M.D.
NPI 1386675601 · Psychiatry Physician · Lanham, MD
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Laurence Greenwood, M.D. is a Psychiatry Physician provider in Lanham, MD (NPI 1386675601).
Provider details
- NPI number
- 1386675601
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0030248 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,037 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 1,297 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,198 | $133 |
| Psychotherapy, 45 Minutes90834 | 649 | $103 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 478 | $92 |
| Psychotherapy, 1 Hour90837 | 172 | $150 |
| Psychotherapy, 30 Minutes90832 | 139 | $79 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 202 | 18 |
| Alprazolam | 190 | 22 |
| Quetiapine Fumarate | 157 | 14 |
| Trazodone Hcl | 96 | 12 |
| Aripiprazole | 91 | 16 |
| Olanzapine | 83 | — |
| Zolpidem Tartrate | 80 | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-05
- Last updated
- 2023-07-15
- Certified
- 2023-07-15
Frequently asked questions
- What is Laurence Greenwood's NPI number?
- Laurence Greenwood's National Provider Identifier (NPI) is 1386675601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Laurence Greenwood's specialty?
- Laurence Greenwood is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Laurence Greenwood located?
- Laurence Greenwood's practice location on file with NPPES is 4200 Forbes Blvd Ste 104, Lanham, MD 20706-4872.
- What is Laurence Greenwood's phone number?
- The practice phone number listed in the NPPES registry for Laurence Greenwood is (301) 335-3854.
- Does Laurence Greenwood accept Medicare?
- Laurence Greenwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Laurence Greenwood's NPI active?
- Yes — Laurence Greenwood's NPI (1386675601) is active in the NPPES registry as of the last update on 2023-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.