Doctor profile · Federal record

Dr. Laura Duffy, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Greenfield, MA

  • NPI 1427502335
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
329 Conway St
Greenfield, MA 013011521
(413) 774-6301
fax (866) 644-0871
Additional location
238 Northampton St
Easthampton, MA 010271046
(413) 529-9300
fax (866) 644-0870
Additional location
31 Hall Dr
Amherst, MA 010022751
(413) 256-8561
fax (866) 644-0869
Show 1 more location
Additional location
70 Main St
Florence, MA 010621466
(413) 586-8400
fax (866) 644-0872

Credentials & registration

NPPES · NUCC
NPI registered
August 2016 — 10 yrs on file
Profile last updated
April 30, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #RN232725

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427502335. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
975
Distinct HCPCS
10
Medicare allowed
$87,776
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 364 192 $111
99213 Established patient office or other outpatient visit, 20-29 minutes 128 71 $79
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 115 115 $112
99406 Smoking and tobacco use intensive counseling, 4-10 minutes 50 23 $13
G0008 Administration of influenza virus vaccine 49 48 $31
99215 Established patient office or other outpatient visit, 40-54 minutes 43 35 $156
90662 Influenza vaccine split virus, preservative free 40 39 $59
81003 Automated urinalysis test 26 24 $2
99495 Transitional care management services for problem of at least moderate complexity 26 21 $178
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 23 23 $143

In context: peer comparison

Among 10 peers in Greenfield Family Nurse Practitioner, average services per provider: 68. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,472
Patients
632
Total drug cost
$51,935
Drug Type Claims Patients Total cost
Lisinopril Generic 329 87 $4,297
Levothyroxine Sodium Generic 246 62 $4,386
Omeprazole Generic 226 61 $6,223
Losartan Potassium Generic 211 55 $4,814
Atorvastatin Calcium Generic 198 58 $4,757
Gabapentin Generic 188 42 $7,402
Hydrochlorothiazide Generic 162 46 $943
Amlodipine Besylate Generic 161 43 $2,033
Simvastatin Generic 145 38 $2,520
Pregabalin Generic 133 13 $4,965

Frequently asked questions

Auto-generated from federal data
What is Dr. Laura Duffy's medical specialty?
Dr. Laura Duffy practices Family Nurse Practitioner in Greenfield, MA.
Where does Dr. Laura Duffy practice?
Dr. Laura Duffy practices at 329 Conway St, Greenfield, MA 013011521. Office phone: 4137746301.
What is Dr. Laura Duffy's NPI?
Dr. Laura Duffy's National Provider Identifier (NPI) is 1427502335, issued by NPPES.
Does Dr. Laura Duffy accept Medicare assignment?
Yes. Dr. Laura Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Laura Duffy 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.