Doctor profile · Federal record

Dr. Mark Wahrenbrock, M.D., PH.D.

Clinical Pathology Physician · San Diego, CA

  • NPI 1104267145
  • 13 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8901 Activity RD Ste 205
San Diego, CA 921264436
(888) 992-7555
Additional location
11401 Bloomfield Ave
Norwalk, CA 906502015
(562) 651-4151

Credentials & registration

NPPES · NUCC
NPI registered
July 2013 — 13 yrs on file
Profile last updated
March 31, 2021
Specialty taxonomy
207ZC0006X — NUCC code
State license (1)
California #A158210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104267145. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$25,350
Transactions
24
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CSL Plasma Inc. 24 $25,350.00

By nature of payment

Consulting Fee
$25,350

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Wahrenbrock's medical specialty?
Dr. Mark Wahrenbrock practices Clinical Pathology Physician in San Diego, CA.
Where does Dr. Mark Wahrenbrock practice?
Dr. Mark Wahrenbrock practices at 8901 Activity RD Ste 205, San Diego, CA 921264436. Office phone: 8889927555.
What is Dr. Mark Wahrenbrock's NPI?
Dr. Mark Wahrenbrock's National Provider Identifier (NPI) is 1104267145, issued by NPPES.