Doctor profile · Federal record

Dr. Mallory Witt, M.D.

Infectious Disease Physician · Torrance, CA

  • NPI 1275687998
  • 19 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 W Carson St, Box 480
Torrance, CA 905022004
(310) 222-2365

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 9, 2007
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
California #G59860
Medicaid
CA #00G598600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275687998. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$879
Transactions
39
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, INC. 9 $331.08
Shionogi INC 14 $196.21
Merck Sharp & Dohme LLC 9 $190.21
Astellas Pharma US INC 2 $62.01
Paratek Pharmaceuticals, INC. 3 $53.27
ViiV Healthcare Company 1 $25.40
Melinta Therapeutics, LLC 1 $21.04

By nature of payment

Food and Beverage
$879

Frequently asked questions

Auto-generated from federal data
What is Dr. Mallory Witt's medical specialty?
Dr. Mallory Witt practices Infectious Disease Physician in Torrance, CA.
Where does Dr. Mallory Witt practice?
Dr. Mallory Witt practices at 1000 W Carson St, Torrance, CA 905022004. Office phone: 3102222365.
What is Dr. Mallory Witt's NPI?
Dr. Mallory Witt's National Provider Identifier (NPI) is 1275687998, issued by NPPES.