Doctor profile · Federal record

Dr. Allison Dassatti

Nurse Practitioner · Haverhill, MA

  • NPI 1558760942
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Parkway
Haverhill, MA 018306278
(978) 521-3235
fax (978) 521-3236

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #RN2284755

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558760942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
118
Distinct HCPCS
3
Medicare allowed
$13,160
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 71 67 $111
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $144
99213 Established patient office or other outpatient visit, 20-29 minutes 23 23 $79

In context: peer comparison

Among 3 peers in Haverhill Nurse Practitioner, average services per provider: 28. This provider delivers 4.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,040
Patients
292
Total drug cost
$410,462
Drug Type Claims Patients Total cost
Omeprazole Generic 334 115 $9,176
Famotidine Generic 168 64 $2,592
Pantoprazole Sodium Generic 129 36 $6,532
Linzess (Linaclotide) Brand 101 28 $75,921
Colestipol Hcl Generic 52 17 $7,103
Dicyclomine Hcl Generic 47 20 $597
Lansoprazole Generic 32 0 $5,914
Sucralfate Generic 28 12 $2,208
Esomeprazole Magnesium Generic 26 0 $804
Humira(Cf) Pen (Adalimumab) Brand 26 0 $259,066

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Dassatti's medical specialty?
Dr. Allison Dassatti practices Nurse Practitioner in Haverhill, MA.
Where does Dr. Allison Dassatti practice?
Dr. Allison Dassatti practices at 1 Parkway, Haverhill, MA 018306278. Office phone: 9785213235.
What is Dr. Allison Dassatti's NPI?
Dr. Allison Dassatti's National Provider Identifier (NPI) is 1558760942, issued by NPPES.
Does Dr. Allison Dassatti accept Medicare assignment?
Yes. Dr. Allison Dassatti accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Dassatti commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.