Registry data as of Aug 27, 2026

Sheila Marcellus, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Braintree, MA

Sheila Marcellus, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Braintree, Massachusetts, and NPI 1043736523, issued on Aug 16, 2017. Check the license (Massachusetts 237861, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1043736523
Name
Sheila Marcellus
Credential
PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License number
237861 MA
Self-reported in NPPES; status is on the state search
Practice location
150 Grossman Dr Ste 205, Braintree, MA 02184
Phone
(781) 285-5767
Enumerated
Aug 16, 2017
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 150 Grossman Dr Ste 205

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Emma BairosMental Health Counselor1437029667
  2. Eva Gonzalez CareyMarriage & Family Therapist1780140830
  3. Danie Pierre-LouisRegistered Nurse1578388203
  4. Amiline ValmyrClinical Social Worker1982838090

Verify Sheila Marcellus in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 237861
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

44% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

504 Medicare Part D claims for 54 beneficiaries, against an average of 895 among the 22,437 providers of this specialty who prescribed in Part D.

  1. Sheila Marcellus504
  2. Specialty average895

Most prescribed

  1. Buspirone Hcl81 claims
  2. Escitalopram Oxalate65 claims
  3. Bupropion Xl37 claims
  4. Sertraline Hcl25 claims
  5. Clonazepam23 claims
  6. Venlafaxine Hcl Er23 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.

Industry payments in 2024: $368.69

9 payments, mostly food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 17,205 providers of this specialty with any payment received $975.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sheila Marcellus$368.69
  2. Specialty average$975.26

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Psychiatric/Mental Health Nurse Practitioner providers in Massachusetts

There are 1,541 psychiatric/mental health nurse practitioner records in Massachusetts.

Other psychiatric/mental health nurse practitioner records in Massachusetts

  1. Gabrielle Abelard, PMHCNS, BCStoughton, MA1811198740
  2. Dorcas Abimaje, PMHNPLongmeadow, MA1346099207
  3. Sandra Abrahamian, PMHNPWorcester, MA1528418027
  4. Hadiza Abubakar, CNPWorcester, MA1295312395
  5. Samuel AcheampongFramingham, MA1124960083
  6. Queen Achoakawa, NPCanton, MA1386571339
  7. Daniel Ackroyd, BCPMHNPTewksbury, MA1104103993
  8. Michele Adam, NPLynn, MA1295970192
  9. Lashondia AdamsWoburn, MA1669084703
  10. Taeseon Adams, NPBedford, MA1043364029

Common questions

What is Sheila Marcellus, PMHNP-BC's NPI number?

Sheila Marcellus, PMHNP-BC's National Provider Identifier (NPI) is 1043736523, issued on Aug 16, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Sheila Marcellus, PMHNP-BC located?

The NPPES record lists a practice address at 150 Grossman Dr Ste 205, Braintree, MA, 02184. Phone: (781) 285-5767. Providers update this record themselves, so call before visiting.

How can I verify Sheila Marcellus, PMHNP-BC's license?

NPPES lists Massachusetts license number 237861, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does Sheila Marcellus, PMHNP-BC prescribe under Medicare Part D?

In 2024, Sheila Marcellus, PMHNP-BC had 504 Medicare Part D claims for 54 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 895. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.