Doctor profile · Federal record

Dr. Colleen Wittenberg, MD

Obstetrics & Gynecology Physician · Riverside, CA

  • NPI 1669549473
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10800 Magnolia Ave
Riverside, CA 925053043
(909) 353-2000

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 30, 2021
Specialty taxonomy
207V00000X — NUCC code
State license (1)
California #G71464

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669549473. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$134
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals Inc. 2 $133.74

By nature of payment

Food and Beverage
$134

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
63
Patients
0
Total drug cost
$13,627
Drug Type Claims Patients Total cost
Estring (Estradiol) Brand 21 0 $12,483
Estradiol Generic 16 0 $616
Clobetasol Propionate Generic 15 0 $324
Acyclovir Generic 11 0 $204

Frequently asked questions

Auto-generated from federal data
What is Dr. Colleen Wittenberg's medical specialty?
Dr. Colleen Wittenberg practices Obstetrics & Gynecology Physician in Riverside, CA.
Where does Dr. Colleen Wittenberg practice?
Dr. Colleen Wittenberg practices at 10800 Magnolia Ave, Riverside, CA 925053043. Office phone: 9093532000.
What is Dr. Colleen Wittenberg's NPI?
Dr. Colleen Wittenberg's National Provider Identifier (NPI) is 1669549473, issued by NPPES.