Doctor profile · Federal record

Dr. Sheila Marcellus, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Certified Clinical Nurse Specialist (CNS)) · Behavioral Analyst · Braintree, MA

  • NPI 1043736523
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
150 Grossman Dr Ste 205
Braintree, MA 021844947
(781) 285-5767
fax (781) 207-9658

Credentials & registration

NPPES · NUCC
NPI registered
August 2017 — 9 yrs on file
Profile last updated
September 12, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Massachusetts #237861

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043736523. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
274
Distinct HCPCS
3
Medicare allowed
$20,317
HCPCS Description Services Patients Avg allowed
90833 Psychotherapy with evaluation and management visit, 30 minutes 145 30 $56
99214 Established patient office or other outpatient visit, 30-39 minutes 85 28 $105
99213 Established patient office or other outpatient visit, 20-29 minutes 44 17 $74

In context: peer comparison

Among 2 peers in Braintree Psychiatric/Mental Health Nurse Practitioner, average services per provider: 104. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$369
Transactions
9
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 1 $138.62
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 3 $131.71
Abbvie INC. 5 $98.36

By nature of payment

Food and Beverage
$369

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
287
Patients
35
Total drug cost
$4,886
Drug Type Claims Patients Total cost
Buspirone Hcl Generic 73 13 $731
Escitalopram Oxalate Generic 68 11 $560
Bupropion Xl (Bupropion Hcl) Brand 44 11 $873
Methylphenidate ER (Methylphenidate Hcl) Brand 19 0 $1,609
Sertraline Hcl Generic 19 0 $284
Clonidine Hcl Generic 16 0 $28
Mirtazapine Generic 13 0 $148
Clonazepam Generic 12 0 $6
Duloxetine Hcl Generic 12 0 $477
Risperidone Generic 11 0 $170

Frequently asked questions

Auto-generated from federal data
What is Dr. Sheila Marcellus's medical specialty?
Dr. Sheila Marcellus practices Psychiatric/Mental Health Nurse Practitioner in Braintree, MA.
Where does Dr. Sheila Marcellus practice?
Dr. Sheila Marcellus practices at 150 Grossman Dr Ste 205, Braintree, MA 021844947. Office phone: 7812855767.
What is Dr. Sheila Marcellus's NPI?
Dr. Sheila Marcellus's National Provider Identifier (NPI) is 1043736523, issued by NPPES.
Does Dr. Sheila Marcellus accept Medicare assignment?
Yes. Dr. Sheila Marcellus accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sheila Marcellus commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy with evaluation and management visit (HCPCS 90833); 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.