Doctor profile · Federal record
Dr. Marcela Horvitz-Lennon, MD
Psychiatry Physician (CMS: Psychiatry) · Neurology Physician · Somerville, MA
- NPI 1528189073
- Accepts Medicare
- MIPS 81.3 / 100 · 2023
- 39 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
26 Central Street, Suite 1135-E
Somerville, MA 02145
(617) 591-6300 - Mailing address
-
26 Central St, Forbes Tower, Suite 9055
Somerville, MA 021432827
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- August 20, 2016
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 2084P0800X — NUCC code
- State licenses (2)
- Massachusetts #153879 · Pennsylvania #MD425424
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528189073. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
21
Distinct HCPCS
1
Medicare allowed
$2,186
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 21 | 11 | $104 |
In context: peer comparison
Among 1 peers in Somerville Psychiatry Physician, average services per provider: 21. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
585
Patients
11
Total drug cost
$90,648
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clozapine | Generic | 156 | 11 | $5,698 |
| Sertraline Hcl | Generic | 73 | 0 | $839 |
| Lorazepam | Generic | 59 | 0 | $903 |
| Olanzapine | Generic | 36 | 0 | $856 |
| Aripiprazole | Generic | 32 | 0 | $2,754 |
| Clonazepam | Generic | 32 | 0 | $255 |
| Quetiapine Fumarate | Generic | 31 | 0 | $554 |
| Benztropine Mesylate | Generic | 30 | 0 | $414 |
| Haloperidol Decanoate | Generic | 28 | 0 | $2,011 |
| Divalproex Sodium ER (Divalproex Sodium) | Brand | 19 | 0 | $770 |
Hospital affiliations
Frequently asked questions
What is Dr. Marcela Horvitz-Lennon's medical specialty?
Dr. Marcela Horvitz-Lennon practices Psychiatry Physician in Somerville, MA.
Where does Dr. Marcela Horvitz-Lennon practice?
Dr. Marcela Horvitz-Lennon practices at 26 Central Street, Somerville, MA 02145. Office phone: 6175916300.
What is Dr. Marcela Horvitz-Lennon's NPI?
Dr. Marcela Horvitz-Lennon's National Provider Identifier (NPI) is 1528189073, issued by NPPES.
Does Dr. Marcela Horvitz-Lennon accept Medicare assignment?
Yes. Dr. Marcela Horvitz-Lennon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marcela Horvitz-Lennon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.