Doctor profile · Federal record

Dr. Sean Oldak

Psychiatry Physician (CMS: Psychiatry) · Obstetrics & Gynecology Physician · Student in an Organized Health Care Education/Training Program · Boston, MA

  • NPI 1104486372
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis St
Boston, MA 021156110
(305) 761-7325
Mailing address
1480 Tremont St Apt E409
Boston, MA 021202954

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
June 23, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Massachusetts #1022913 · Pennsylvania #HS000239L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104486372. 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
Biogen, INC. 1 $29.54

By nature of payment

Food and Beverage
$30

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$365
Drug Type Claims Patients Total cost
Candesartan Cilexetil Generic 11 0 $365

Frequently asked questions

Auto-generated from federal data
What is Dr. Sean Oldak's medical specialty?
Dr. Sean Oldak practices Psychiatry Physician in Boston, MA.
Where does Dr. Sean Oldak practice?
Dr. Sean Oldak practices at 75 Francis St, Boston, MA 021156110. Office phone: 3057617325.
What is Dr. Sean Oldak's NPI?
Dr. Sean Oldak's National Provider Identifier (NPI) is 1104486372, issued by NPPES.
Does Dr. Sean Oldak accept Medicare assignment?
Yes. Dr. Sean Oldak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.