Doctor profile · Federal record

Dr. Stephen Master, MD

Clinical Pathology/Laboratory Medicine Physician · Philadelphia, PA

  • NPI 1396780821
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3400 Spruce Street
Philadelphia, PA 19104
(215) 662-6503
Mailing address
3400 Spruce St
Philadelphia, PA 191044206

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
March 10, 2011
Specialty taxonomy
207ZP0105X — NUCC code
State license (1)
Pennsylvania #MD425041
Medicaid
PA #0016038050003

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396780821. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$7,788
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Roche Diagnostics Corporation 1 $7,788.00

By nature of payment

Consulting Fee
$7,788

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Master's medical specialty?
Dr. Stephen Master practices Clinical Pathology/Laboratory Medicine Physician in Philadelphia, PA.
Where does Dr. Stephen Master practice?
Dr. Stephen Master practices at 3400 Spruce Street, Philadelphia, PA 19104. Office phone: 2156626503.
What is Dr. Stephen Master's NPI?
Dr. Stephen Master's National Provider Identifier (NPI) is 1396780821, issued by NPPES.