Doctor profile · Federal record

Dr. Rosemary Mason-Blau, APRN

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

  • NPI 1255985727
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
161 Jackson St
Lowell, MA 018522103
(978) 937-9700
fax (978) 221-6728

Credentials & registration

NPPES · NUCC
NPI registered
August 2019 — 7 yrs on file
Profile last updated
January 3, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Massachusetts #2321155 · New Hampshire #072061-23

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255985727. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$30
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Axonics, Inc. 1 $30.16

By nature of payment

Food and Beverage
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
85
Patients
0
Total drug cost
$2,411
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 21 0 $340
Omeprazole Generic 21 0 $377
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 19 0 $1,046
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 12 0 $521
Amlodipine Besylate Generic 12 0 $127

Frequently asked questions

Auto-generated from federal data
What is Dr. Rosemary Mason-Blau's medical specialty?
Dr. Rosemary Mason-Blau practices Family Nurse Practitioner in Lowell, MA.
Where does Dr. Rosemary Mason-Blau practice?
Dr. Rosemary Mason-Blau practices at 161 Jackson St, Lowell, MA 018522103. Office phone: 9789379700.
What is Dr. Rosemary Mason-Blau's NPI?
Dr. Rosemary Mason-Blau's National Provider Identifier (NPI) is 1255985727, issued by NPPES.
Does Dr. Rosemary Mason-Blau accept Medicare assignment?
Yes. Dr. Rosemary Mason-Blau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.