NPPES file of Aug 9, 2026

Cassandra A. Mahan-Richards, M.D.

Pediatrics Physician · Grand Terrace, CA

Cassandra A. Mahan-Richards, M.D. is a pediatrics physician with a practice address in Grand Terrace, California, and NPI 1093767782, issued on May 17, 2006. Check the license (California G53986, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093767782
Name
Cassandra A. Mahan-Richards
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
G53986 CA
MD60286895 WA
Self-reported in NPPES; status is on the state search
Practice location
11980 Mount Vernon Ave, Grand Terrace, CA 92313
Phone
(909) 864-1097
Enumerated
May 17, 2006
Record last updated
Sep 16, 2025
Fax
(951) 225-6879
Medicaid ID
00G646250 CA
Medicare enrollment
Enrolled (PECOS I20251002005094); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →

Also registered at 11980 Mount Vernon Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Margaret Amoo, NURSE PRACTITIONERFamily Nurse Practitioner1164057022
  2. Noemi AvilaPediatric Nurse Practitioner1023691623
  3. Eric Eschweiler, DNP, RN, FNP-CFamily Nurse Practitioner1912396201
  4. Philip Farabaugh, MDFamily Medicine Physician1285763615
  5. Ramon Ferra, MDObstetrics & Gynecology Physician1285614750
  6. Ashley Fonseca-Tweed, FNP-BCFamily Nurse Practitioner1275316176

Verify Cassandra A. Mahan-Richards in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G53986    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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Cassandra A. Mahan-Richards among 9,272 pediatrics physician records in California

Cassandra A. Mahan-Richards, M.D. is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 56% newer
  • In a Medicare fileNo · 31% of these records are
  • In the CMS Doctors and Clinicians fileYes · 8% of these records are
  • Graduated1983 · median 2012 among the 754 with a school on file
  • Record last updated2025 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 pediatrics physician records list a practice address in Grand Terrace

They are 3 of the 204 NPPES records with a practice address in Grand Terrace, and 9,272 pediatrics physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 9,272 in California → Every provider in Grand Terrace → Pediatrics Physician nationwide →

The 8 pediatrics physician records with the nearest ZIP codes

  1. Heather Carriedo, M.D.Grand Terrace, CA 923131922028406
  2. Chloe Nguyen, DOGrand Terrace, CA 923131750895934
  3. Donald Case, M.D.Barstow, CA 923111265567903
  4. Yung Fang, MDBarstow, CA 923111982665444
  5. Jodiann Ledford, M.D.Barstow, CA 923111881910149
  6. Kevin Choe, DOFort Irwin, CA 923101235759499
  7. Faiza Iram, MDBloomington, CA 923161063773141
  8. Maneek KalerBloomington, CA 923161538711791

Common questions

What is Cassandra A. Mahan-Richards, M.D.'s NPI number?

Cassandra A. Mahan-Richards, M.D.'s National Provider Identifier (NPI) is 1093767782, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cassandra A. Mahan-Richards, M.D. located?

The NPPES record lists a practice address at 11980 Mount Vernon Ave, Grand Terrace, CA, 92313. Phone: (909) 864-1097. Providers update this record themselves, so call before visiting.

How can I verify Cassandra A. Mahan-Richards, M.D.'s license?

NPPES lists California license number G53986, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.