Doctor profile · Federal record
Dr. Marybeth Zambella, APRN
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Boston, MA
- NPI 1528397908
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
800 Washington St
Boston, MA 021111552
(617) 636-5400
fax (617) 636-8642 - Mailing address
-
800 Washington St # 212
Boston, MA 021111552
Credentials & registration
- NPI registered
- December 2009 — 17 yrs on file
- Profile last updated
- August 4, 2021
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State license (1)
- Massachusetts #RN155312
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1528397908. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
118
Distinct HCPCS
3
Medicare allowed
$9,405
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 56 | 24 | $86 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 32 | 12 | $88 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 30 | 15 | $60 |
In context: peer comparison
Among 29 peers in Boston Psychiatric/Mental Health Nurse Practitioner, average services per provider: 80. This provider delivers 1.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
542
Patients
39
Total drug cost
$15,732
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Clonazepam | Generic | 89 | 14 | $749 |
| Lorazepam | Generic | 69 | 14 | $323 |
| Fluoxetine Hcl | Generic | 58 | 0 | $767 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 52 | 0 | $2,735 |
| Mirtazapine | Generic | 46 | 0 | $1,081 |
| Alprazolam | Generic | 36 | 0 | $479 |
| Bupropion Xl (Bupropion Hcl) | Brand | 35 | 11 | $1,947 |
| Olanzapine | Generic | 30 | 0 | $886 |
| Escitalopram Oxalate | Generic | 20 | 0 | $324 |
| Quetiapine Fumarate | Generic | 20 | 0 | $614 |
Hospital affiliations
Frequently asked questions
What is Dr. Marybeth Zambella's medical specialty?
Dr. Marybeth Zambella practices Psychiatric/Mental Health Nurse Practitioner in Boston, MA.
Where does Dr. Marybeth Zambella practice?
Dr. Marybeth Zambella practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365400.
What is Dr. Marybeth Zambella's NPI?
Dr. Marybeth Zambella's National Provider Identifier (NPI) is 1528397908, issued by NPPES.
Does Dr. Marybeth Zambella accept Medicare assignment?
Yes. Dr. Marybeth Zambella accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marybeth Zambella commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.