Doctor profile · Federal record

Dr. Francis Mase, M.D.

Pediatrics Physician · Wilmington, DE

  • NPI 1003961020
  • 19 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
700 W Lea Blvd, Suite 209
Wilmington, DE 198022500
(302) 762-5656
fax (302) 762-5699

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
November 21, 2011
Specialty taxonomy
208000000X — NUCC code
State license (1)
Delaware #C1-0005418
Medicaid
DE #0001039001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003961020. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $35.48

By nature of payment

Food and Beverage
$35

Frequently asked questions

Auto-generated from federal data
What is Dr. Francis Mase's medical specialty?
Dr. Francis Mase practices Pediatrics Physician in Wilmington, DE.
Where does Dr. Francis Mase practice?
Dr. Francis Mase practices at 700 W Lea Blvd, Wilmington, DE 198022500. Office phone: 3027625656.
What is Dr. Francis Mase's NPI?
Dr. Francis Mase's National Provider Identifier (NPI) is 1003961020, issued by NPPES.