Marissa Ross, PMHNP
Psychiatric/Mental Health Nurse Practitioner · Boston, MA
Marissa Ross, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1255913109, issued on Apr 21, 2021. Check the license (Massachusetts RN2293349, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Ross
- Credential
- PMHNP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License numbers
- RN2293349 MA
070155-23 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Emerson PL Ste 3H, Boston, MA 02114
- Phone
- (617) 397-3951
- Enumerated
- Apr 21, 2021
- Record last updated
- Feb 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20230117002233); 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 1 Emerson PL Ste 3H
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah BlomstedtClinical Social Worker1932758554
- Frances BraunClinical Psychologist1740812189
- Sarah KalnyMental Health Counselor1083233449
- Amanda Kanter, MSW, LICSWClinical Social Worker1841822319
- Madeline LydonMental Health Counselor1013526623
- Tyler Schlicht, MSWClinical Social Worker1386115699
Verify Marissa Ross in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2293349Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
39 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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
- Thrive Counseling LLCBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Ross among 2,169 psychiatric/mental health nurse practitioner records in Massachusetts
Marissa Ross, PMHNP 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 2021, is newer than 52% of them.
- NPI issued2021 · 52% of these records are older, 41% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2021 among the 1,309 with a school on file
- Record last updated2024 · 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
- Adekemi AdeleyeBoston, MA 021141528549425
- Stephanie Butler, CNPBoston, MA 021141821466806
- Ann Marie Delano, NPBoston, MA 021141487737854
- Joseph Gustin, PMHNP-BCBoston, MA 021141598211286
- Ryan Keogh, PMHNP-BCBoston, MA 021141154664670
- Susan Krupnick, NPBoston, MA 021141295863769
- Ricky Lawson, APRN, RN, LMHCBoston, MA 021141922388420
- Sarah Maclaurin, PMHNPBoston, MA 021141104057918
Common questions
What is Marissa Ross, PMHNP's NPI number?
Marissa Ross, PMHNP's National Provider Identifier (NPI) is 1255913109, issued on Apr 21, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Ross, PMHNP located?
The NPPES record lists a practice address at 1 Emerson PL Ste 3H, Boston, MA, 02114. Phone: (617) 397-3951. Providers update this record themselves, so call before visiting.
How can I verify Marissa Ross, PMHNP's license?
NPPES lists Massachusetts license number RN2293349, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Ross, PMHNP prescribe under Medicare Part D?
In 2024, Marissa Ross, PMHNP had 39 Medicare Part D claims; 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.