Doctor profile · Federal record

Dr. Sheila Swales, NP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Chelmsford, MA

  • NPI 1770746836
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
228 Billerica RD
Chelmsford, MA 018243604
(978) 250-6240

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
January 27, 2012
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Massachusetts #268445

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770746836. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
195
Distinct HCPCS
4
Medicare allowed
$15,659
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 54 14 $79
90833 Psychotherapy with evaluation and management visit, 30 minutes 52 16 $60
90836 Psychotherapy with evaluation and management visit, 45 minutes 45 14 $76
99214 Established patient office or other outpatient visit, 30-39 minutes 44 16 $111

In context: peer comparison

Among 3 peers in this city , average services per provider: 54. This provider delivers 3.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
167
Patients
0
Total drug cost
$2,095
Drug Type Claims Patients Total cost
Clonazepam Generic 57 0 $417
Lamotrigine Generic 25 0 $273
Gabapentin Generic 18 0 $470
Diazepam Generic 16 0 $26
Escitalopram Oxalate Generic 16 0 $284
Nortriptyline Hcl Generic 13 0 $88
Mirtazapine Generic 11 0 $113
Sertraline Hcl Generic 11 0 $424

Frequently asked questions

Auto-generated from federal data
What is Dr. Sheila Swales's medical specialty?
Dr. Sheila Swales practices Psychiatric/Mental Health Nurse Practitioner in Chelmsford, MA.
Where does Dr. Sheila Swales practice?
Dr. Sheila Swales practices at 228 Billerica RD, Chelmsford, MA 018243604. Office phone: 9782506240.
What is Dr. Sheila Swales's NPI?
Dr. Sheila Swales's National Provider Identifier (NPI) is 1770746836, issued by NPPES.
Does Dr. Sheila Swales accept Medicare assignment?
Yes. Dr. Sheila Swales accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sheila Swales commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Psychotherapy with evaluation and management visit (HCPCS 90833); Psychotherapy with evaluation and management visit (HCPCS 90836). Source: CMS Medicare Physician & Other Practitioners file.