COLLEEN M. WITTENBERG MD
NPI 1669549473
Obstetrics & Gynecology in Riverside, CA

Q: What is Colleen Wittenberg's NPI number?

The NPI number for Colleen Wittenberg is 1669549473. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Q: What is Colleen Wittenberg's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Active since November 29, 2006PECOS Enrolled

10800 MAGNOLIA AVE, RIVERSIDE, CA 92505(909) 353-2000 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Colleen M. Wittenberg Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COLLEEN M. WITTENBERG MD (NPI 1669549473) is an individual obstetrics & gynecology provider in Riverside, California, licensed in California (G71464) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669549473

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameCOLLEEN M. WITTENBERGCredential: MD

Location Address10800 MAGNOLIA AVERiverside, CA 92505-3043

Mailing Address10800 Magnolia AveRiverside, CA 92505-3043 · (909) 353-2000

Phone(909) 353-2000

Sole ProprietorNo

Enumeration DateNovember 29, 2006

Last NPPES UpdateNovember 30, 2021

✔ NPI 1669549473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in CA · G71464

Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

10800 MAGNOLIA AVE, Riverside, CA 92505

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Colleen M. Wittenberg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Colleen Wittenberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group

Same address

Health Maintenance Organization

10800 MAGNOLIA AVE
Riverside, CA 92505

Reassigned Medicare billing, California enrollment
5,228 clinicians in this Medicare group

NPI 1316979834 (866) 984-7483

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KAISER PERMANENTE

General Acute Care Hospital