DR. CASSANDRA A MAHAN-RICHARDS M.D.
NPI 1093767782
Pediatrics in Grand Terrace, CA

Q: What is Cassandra Mahan-richards's NPI number?

The NPI number for Cassandra Mahan-richards is 1093767782. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Q: What is Cassandra Mahan-richards's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Active since May 17, 2006PECOS Enrolled

11980 MOUNT VERNON AVE, GRAND TERRACE, CA 92313(909) 864-1097(951) 225-6879 Get Directions Write a Review

NPPES record last updated: September 16, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 16, 2025, Mar 7, 2023, Nov 4, 2021 and 1 more (4 updates tracked since 2016).

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About Dr. Cassandra A Mahan-richards M.d. NPPES

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

DR. CASSANDRA A MAHAN-RICHARDS M.D. (NPI 1093767782) is an individual pediatrics provider in Grand Terrace, California, licensed in California (G53986) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Merced, and is a graduate of Other (1983).

NPPES Registry Identity

NPI1093767782

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. CASSANDRA A MAHAN-RICHARDSCredential: M.D.

Location Address11980 MOUNT VERNON AVEGrand Terrace, CA 92313-5172

Mailing AddressPo Box 3649Spokane, WA 99220-3649

Phone(909) 864-1097

Fax(951) 225-6879

Sole ProprietorNo

Medical School CMSOtherGraduated 1983

Enumeration DateMay 17, 2006

Last NPPES UpdateSeptember 16, 20254 updates tracked since enumeration

NPPES CertifiedSeptember 16, 2025

✔ NPI 1093767782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · G53986

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License G53986 (CA), MD60286895 (WA)

11980 MOUNT VERNON AVE, Grand Terrace, CA 92313

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Secondary Practice Location 1

Location 1847 W Childs AveMerced, CA 95341-6862 · Phone (209) 722-4842

Other Identifiers 2

OtherMD60286895WA · Washington State License

Medicaid00G646250CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Cassandra A Mahan-richards M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3870487606

PECOS Enrollment IDI20251002005094

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 Reassignments

Medicare enrollment records show Cassandra Mahan-richards reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Golden Valley Health Center

275 mi

Federally Qualified Health Center (FQHC)

13161 JEFFERSON ST
Le Grand, CA 95333

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Golden Valley Health Centers
440 clinicians in this Medicare group

NPI 1356325310 (209) 389-1900

Multicare Health System

939 mi

Internal Medicine

400 E 5TH AVE
Spokane, WA 99202

Reassigned Medicare billing, Washington enrollment
4,383 clinicians in this Medicare group

NPI 1730687161 (509) 838-2531

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 92313 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 20

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

VY VY LU OD

Optometrist