Doctor profile · Federal record

Dr. Mary Lam, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Chestnut Hill, MA

  • NPI 1699373076
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1244 Boylston St
Chestnut Hill, MA 024672116
(617) 383-6800
fax (617) 383-6801

Credentials & registration

NPPES · NUCC
NPI registered
October 2020 — 6 yrs on file
Profile last updated
November 7, 2022
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #RN2318841

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699373076. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$25
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Optinose US, Inc. 1 $24.66

By nature of payment

Food and Beverage
$25

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
412
Patients
203
Total drug cost
$11,987
Drug Type Claims Patients Total cost
Fluticasone Propionate Generic 129 64 $2,932
Ipratropium Bromide Generic 81 30 $2,585
Omeprazole Generic 51 25 $1,264
Mupirocin Generic 40 27 $369
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 28 22 $361
Azelastine Hcl Generic 24 13 $702
Famotidine Generic 24 11 $211
Budesonide Generic 12 0 $2,934
Neomycin-Polymyxin-Hc (Neomycin/Polymyxin B/Hydrocort) Brand 12 0 $572
Azithromycin Generic 11 11 $56

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Lam's medical specialty?
Dr. Mary Lam practices Family Nurse Practitioner in Chestnut Hill, MA.
Where does Dr. Mary Lam practice?
Dr. Mary Lam practices at 1244 Boylston St, Chestnut Hill, MA 024672116. Office phone: 6173836800.
What is Dr. Mary Lam's NPI?
Dr. Mary Lam's National Provider Identifier (NPI) is 1699373076, issued by NPPES.
Does Dr. Mary Lam accept Medicare assignment?
Yes. Dr. Mary Lam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.