MARJORIE TERESA WIMMER MD
NPI 1003494147
Internal Medicine in Riverside, CA

Q: What is Marjorie Wimmer's NPI number?

The NPI number for Marjorie Wimmer is 1003494147. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Q: What is Marjorie Wimmer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Marjorie Wimmer was last updated on April 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 30, 2021PECOS EnrolledAccepts Medicare Assignment

6405 DAY ST, RIVERSIDE, CA 92507(951) 697-5414(951) 697-5492 Get Directions Write a Review

NPPES record last updated: April 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 11, 2025, Sep 17, 2024, Mar 30, 2021 (3 updates tracked since 2021).

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About Marjorie Teresa Wimmer Md NPPES

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

MARJORIE TERESA WIMMER MD (NPI 1003494147) is an individual internal medicine provider in Riverside, California, licensed in California (A191760) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sylmar, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1003494147

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARJORIE TERESA WIMMERCredential: MD

Location Address6405 DAY STRiverside, CA 92507-0901

Mailing Address6405 Day StRiverside, CA 92507-0901 · (951) 697-5414 · Fax (951) 697-5492

Phone(951) 697-5414

Fax(951) 697-5492

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateMarch 30, 2021

Last NPPES UpdateApril 11, 20253 updates tracked since enumeration

NPPES CertifiedApril 11, 2025

✔ NPI 1003494147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A191760

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

6405 DAY ST, Riverside, CA 92507

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Secondary Practice Location 1

Location 114400 Olive View DrSylmar, CA 91342-1436 · Phone (818) 364-3313

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marjorie Teresa Wimmer Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577002245

PECOS Enrollment IDI20240826002600

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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

45 services34 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92507 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

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

Most-billed visit code 99214

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.

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