Marybeth Zambella, APRN
Psychiatric/Mental Health Nurse Practitioner · Boston, MA
Marybeth Zambella, APRN is a psychiatric/mental health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1528397908, issued on Dec 15, 2009. Check the license (Massachusetts RN155312, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marybeth Zambella
- Credential
- APRN
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- RN155312 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5400
- Enumerated
- Dec 15, 2009
- Record last updated
- Aug 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (617) 636-8642
- Medicare enrollment
- Enrolled (PECOS I20131015000850); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 2,169 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marybeth Zambella in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN155312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
797 Medicare Part D claims for 70 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Clonazepam96 claims
- Lorazepam84 claims
- Dextroamphetamine-Amphetamine51 claims
- Venlafaxine Hcl Er48 claims
- Bupropion Xl42 claims
- Fluoxetine Hcl38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Pratt Medical Group IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marybeth Zambella among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
Marybeth Zambella, APRN is one of 2,169 psychiatric/mental health nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 11% of them.
- NPI issued2009 · 11% of these records are older, 88% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2010 · median 2021 among the 1,309 with a school on file
- Record last updated2021 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatric/Mental Health Nurse Practitioner providers in Massachusetts
There are 2,169 psychiatric/mental health nurse practitioner records in Massachusetts.
All 2,169 in Massachusetts → Every provider in Boston → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Kristen Cahill, APRNBoston, MA 021111003027574
- Jennifer Ingham, PMHNPBoston, MA 021111336859552
- Tristan Isacksen, NPBoston, MA 021111376419283
- Kathryn Kelley, LMHC, PMHNP-BCBoston, MA 021111992186779
- Yaqi LuBoston, MA 021111851196331
- Melissa PaskowskiBoston, MA 021111720809445
- Peggy Szeto, CNP, LICSWBoston, MA 021111568621316
- Stephanie Etienne, PMHNP-BCBoston, MA 021101447950092
Common questions
What is Marybeth Zambella, APRN's NPI number?
Marybeth Zambella, APRN's National Provider Identifier (NPI) is 1528397908, issued on Dec 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Marybeth Zambella, APRN located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5400. Providers update this record themselves, so call before visiting.
How can I verify Marybeth Zambella, APRN's license?
NPPES lists Massachusetts license number RN155312, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Marybeth Zambella, APRN prescribe under Medicare Part D?
In 2024, Marybeth Zambella, APRN had 797 Medicare Part D claims for 70 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.