Doctor profile · Federal record

Dr. Loren Winters, NP

Nurse Practitioner · Boston, MA

  • NPI 1851456420
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St, Mass General Hospital
Boston, MA 021142621
(617) 724-6850
Mailing address
Po Box 9142, Mass General Physicians Organization INC
Charlestown, MA 021299142

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #252183

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851456420. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
215
Distinct HCPCS
3
Medicare allowed
$19,161
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 135 108 $88
99213 Established patient office or other outpatient visit, 20-29 minutes 40 24 $60
99215 Established patient office or other outpatient visit, 40-54 minutes 40 26 $123

In context: peer comparison

Among 151 peers in Boston Nurse Practitioner, average services per provider: 101. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
464
Patients
123
Total drug cost
$1,126,589
Drug Type Claims Patients Total cost
Anastrozole Generic 185 71 $5,794
Letrozole Generic 117 40 $4,187
Ibrance (Palbociclib) Brand 49 0 $766,552
Exemestane Generic 35 12 $13,093
Tamoxifen Citrate Generic 26 0 $1,148
Eliquis (Apixaban) Brand 18 0 $10,272
Verzenio (Abemaciclib) Brand 12 0 $196,208
Alendronate Sodium Generic 11 0 $138
Tukysa (Tucatinib) Brand 11 0 $129,199

Frequently asked questions

Auto-generated from federal data
What is Dr. Loren Winters's medical specialty?
Dr. Loren Winters practices Nurse Practitioner in Boston, MA.
Where does Dr. Loren Winters practice?
Dr. Loren Winters practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177246850.
What is Dr. Loren Winters's NPI?
Dr. Loren Winters's National Provider Identifier (NPI) is 1851456420, issued by NPPES.
Does Dr. Loren Winters accept Medicare assignment?
Yes. Dr. Loren Winters accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Loren Winters commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.