Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIA CECILIA MACIAS LOPEZ MD
NPI 1487395745
Family Medicine in Riverside, CA

Active since April 01, 2022PECOS EnrolledCLIA 05D2343284 · Waiver
4646 BROCKTON AVE STE 201, RIVERSIDE, CA 92506(951) 631-0103(951) 439-3822 Get Directions Write a Review

NPPES record last updated: July 18, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 18, 2026, Jan 23, 2026, Jul 21, 2022 (3 updates tracked since 2022).

About Maria Cecilia Macias Lopez Md NPPES

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

MARIA CECILIA MACIAS LOPEZ MD (NPI 1487395745) is an individual family medicine provider in Riverside, California, licensed in California (A192797) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through May 3, 2028, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1487395745
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARIA CECILIA MACIAS LOPEZCredential: MD
Location Address4646 BROCKTON AVE STE 201Riverside, CA 92506-0104
Mailing Address4646 Brockton Ave Ste 201Riverside, CA 92506-0104 · (951) 931-0103 · Fax (951) 439-3822
Fax(951) 439-3822
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 1, 2022
Last NPPES UpdateJuly 18, 20263 updates tracked since enumeration
NPPES CertifiedJuly 18, 2026
NPI 1487395745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in CA · A192797
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4646 BROCKTON AVE STE 201, Riverside, CA 92506

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Maria Cecilia Macias Lopez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4183196025
PECOS Enrollment IDI20260611003500
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2343284

Maria C Macias Lopez MD Inc · Riverside, CA
Active · expires May 3, 2028
CLIA Number05D2343284
Laboratory TypePhysician Office
Certificate Effective DateMay 4, 2026
Certificate Expiration DateMay 3, 2028
Laboratory DirectorMaria C. Macias Lopez
Laboratory Phone(951) 266-6681
Laboratory LocationMaria C Macias Lopez MD Inc4646 Brockton Ave, Suite 201, Riverside, CA 92506
CLIA data matches this NPI record on: Address
This certificate is issued to a laboratory to perform only waived tests.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92506 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
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 7

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

Internal Medicine
4646 BROCKTON AVE STE 201
RIVERSIDE, CA 92506
Family Medicine
4646 BROCKTON AVE STE 201
RIVERSIDE, CA 92506
Obstetrics & Gynecology
4646 BROCKTON AVE STE 201
RIVERSIDE, CA 92506
Nurse Practitioner (Family)
4646 BROCKTON AVE STE 201
RIVERSIDE, CA 92506
Obstetrics & Gynecology (Obstetrics)
4646 BROCKTON AVE STE 201
RIVERSIDE, CA 92506
Ophthalmology (Cornea and External Diseases Specialist)
4646 BROCKTON AVE STE 201
RIVERSIDE, CA 92506
Family Medicine
4646 BROCKTON AVE STE 201
RIVERSIDE, CA 92506

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Maria Macias Lopez's NPI number?

The NPI number for Maria Macias Lopez is 1487395745. It was assigned to this individual provider in the NPPES registry on April 1, 2022.

Where is Maria Macias Lopez located?

Maria Macias Lopez practices at 4646 Brockton Ave Ste 201, Riverside, CA 92506. The listed phone number is (951) 631-0103.

What is Maria Macias Lopez's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Maria Macias Lopez enrolled in Medicare?

Yes. Maria Macias Lopez is registered in the Medicare PECOS enrollment system.

Does Maria Macias Lopez hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2343284) is associated with this NPI, valid through May 3, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Maria Macias Lopez was last updated on July 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 days 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.