Doctor profile · Federal record

Dr. Kelsey Sack, MD/PHD

Pulmonary Disease Physician (CMS: Internal Medicine) · Boston, MA

  • NPI 1710415344
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
330 Brookline Ave
Boston, MA 022155400
(617) 667-7000

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
November 13, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Massachusetts #272220

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710415344. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$82,500
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CSL Behring 1 $82,500.00

By nature of payment

Grant
$82,500

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
136
Patients
0
Total drug cost
$248,127
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 26 0 $17,636
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 22 0 $10,839
Prednisone Generic 19 0 $109
Omeprazole Generic 16 0 $536
Spiriva Respimat (Tiotropium Bromide) Brand 16 0 $12,801
Ofev (Nintedanib Esylate) Brand 13 0 $190,443
Fluticasone Propionate Generic 12 0 $144
Pirfenidone Generic 12 0 $15,619

Frequently asked questions

Auto-generated from federal data
What is Dr. Kelsey Sack's medical specialty?
Dr. Kelsey Sack practices Pulmonary Disease Physician in Boston, MA.
Where does Dr. Kelsey Sack practice?
Dr. Kelsey Sack practices at 330 Brookline Ave, Boston, MA 022155400. Office phone: 6176677000.
What is Dr. Kelsey Sack's NPI?
Dr. Kelsey Sack's National Provider Identifier (NPI) is 1710415344, issued by NPPES.
Does Dr. Kelsey Sack accept Medicare assignment?
Yes. Dr. Kelsey Sack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.