Doctor profile · Federal record

Dr. Sarah Peifer, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Psychiatric/Mental Health Registered Nurse · South Weymouth, MA

  • NPI 1821440835
  • Accepts Medicare
  • MIPS 79.9 / 100 · 2023
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fogg RD
South Weymouth, MA 021902432
(781) 624-8000

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
January 19, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Massachusetts #RN2299580

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821440835. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
180
Distinct HCPCS
5
Medicare allowed
$18,946
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 73 36 $71
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 57 53 $157
99238 Hospital discharge day management, 30 minutes or less 22 21 $74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 15 $118
99284 Emergency department visit with moderate level of medical decision making 11 11 $107

In context: peer comparison

Among 2 peers in this city , average services per provider: 77. This provider delivers 2.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Peifer's medical specialty?
Dr. Sarah Peifer practices Psychiatric/Mental Health Nurse Practitioner in South Weymouth, MA.
Where does Dr. Sarah Peifer practice?
Dr. Sarah Peifer practices at 55 Fogg RD, South Weymouth, MA 021902432. Office phone: 7816248000.
What is Dr. Sarah Peifer's NPI?
Dr. Sarah Peifer's National Provider Identifier (NPI) is 1821440835, issued by NPPES.
Does Dr. Sarah Peifer accept Medicare assignment?
Yes. Dr. Sarah Peifer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Peifer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.