Doctor profile · Federal record
Dr. Laurence Greenwood, M.D.
Psychiatry Physician (CMS: Psychiatry) · Clinical Psychologist · Counseling Psychologist · Clinical Child & Adolescent Psychologist · Family Psychologist · Lanham, MD
- NPI 1386675601
- Accepts Medicare
- 61 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4200 Forbes Blvd Ste 104
Lanham, MD 207064872
(301) 335-3854
fax (301) 990-1900 - Mailing address
-
424 Midsummer Dr
Gaithersburg, MD 208785221
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 15, 2023
- Year of graduation
- 1965 — 61 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State license (1)
- Maryland #D0030248
- Medicaid
- MD #403234900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386675601. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,751
Distinct HCPCS
8
Medicare allowed
$274,504
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 711 | 169 | $133 | |
90833 |
Psychotherapy with evaluation and management visit, 30 minutes | 668 | 130 | $69 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 495 | 124 | $79 | |
90834 |
Psychotherapy, 45 minutes | 494 | 69 | $96 | |
90837 |
Psychotherapy, 1 hour | 186 | 20 | $139 | |
90832 |
Psychotherapy, 30 minutes | 138 | 38 | $73 | |
90792 |
Psychiatric diagnostic evaluation with medical services | 32 | 32 | $197 | |
90791 |
Psychiatric diagnostic evaluation | 27 | 27 | $173 |
In context: peer comparison
Among 1 peers in Lanham Psychiatry Physician, average services per provider: 343. This provider delivers 8.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,272
Patients
108
Total drug cost
$35,863
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 184 | 19 | $2,948 |
| Alprazolam | Generic | 158 | 17 | $2,143 |
| Quetiapine Fumarate | Generic | 151 | 20 | $11,620 |
| Trazodone Hcl | Generic | 105 | 15 | $1,370 |
| Aripiprazole | Generic | 101 | 14 | $6,009 |
| Zolpidem Tartrate | Generic | 75 | 0 | $988 |
| Olanzapine | Generic | 74 | 0 | $2,172 |
| Lorazepam | Generic | 65 | 11 | $1,035 |
| Risperidone | Generic | 58 | 0 | $755 |
| Sertraline Hcl | Generic | 57 | 0 | $446 |
Frequently asked questions
What is Dr. Laurence Greenwood's medical specialty?
Dr. Laurence Greenwood practices Psychiatry Physician in Lanham, MD.
Where does Dr. Laurence Greenwood practice?
Dr. Laurence Greenwood practices at 4200 Forbes Blvd Ste 104, Lanham, MD 207064872. Office phone: 3013353854.
What is Dr. Laurence Greenwood's NPI?
Dr. Laurence Greenwood's National Provider Identifier (NPI) is 1386675601, issued by NPPES.
Does Dr. Laurence Greenwood accept Medicare assignment?
Yes. Dr. Laurence Greenwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Laurence Greenwood commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.