NPPES file of Aug 9, 2026

Ellen Liang, DO, MPH

Geriatric Medicine (Family Medicine) Physician · Moreno Valley, CA

Ellen Liang, DO, MPH is a geriatric medicine (family medicine) physician with a practice address in Moreno Valley, California, and NPI 1316568371, issued on Apr 30, 2020. Check the license (California 21108, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1316568371
Name
Ellen Liang
Credential
DO, MPH
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
21108 CA
Self-reported in NPPES; status is on the state search
Practice location
26520 Cactus Ave, Moreno Valley, CA 92555
Phone
(951) 486-4000
Enumerated
Apr 30, 2020
Record last updated
Jul 16, 2024
Medicare enrollment
Enrolled (PECOS I20240730001050); may accept Medicare assignment
Medical or professional school
At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa, 2020
Telehealth
Offers telehealth (CMS)
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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Also registered at 26520 Cactus Ave

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

  1. Ihab Abed, MDStudent in an Organized Health Care Education/Training Program1912830514
  2. Mohamed Abu-Qaoud, M.D.Internal Medicine Physician1366635534
  3. Barbara Ackerman, PH.D.Clinical Psychologist1639126410
  4. Sana Afroz, MDRheumatology Physician1356724074
  5. Georgina Aguilar-Portillo, MDFamily Medicine Physician1144804691
  6. Adolfo Aguilera, MDFamily Medicine Physician1477609808

Verify Ellen Liang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 21108
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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94% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

328 Medicare Part D claims for 88 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D.

  1. Ellen Liang328
  2. Specialty average5,222

Most prescribed

  1. Amlodipine Besylate20 claims
  2. Gabapentin16 claims
  3. Atorvastatin Calcium15 claims
  4. Memantine Hcl15 claims
  5. Losartan Potassium12 claims
  6. Fluticasone Propionate11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Canyon Springs Medical Group IncMoreno Valley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ellen Liang among 243 geriatric medicine (family medicine) physician records in California

Ellen Liang, DO, MPH is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 95% of them.

  • NPI issued2020 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2020 · median 2004 among the 111 with a school on file
  • Record last updated2024 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in California

There are 243 geriatric medicine (family medicine) physician records in California.

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Sandra Qaseem, MDMurrieta, CA 925631629083191
  2. Susan Behnawa, M.D.Menifee, CA 925861235558875
  3. Miriam Cho, M.DRiverside, CA 925061003036187
  4. Ramona Johnson, M.D.Irvine, CA 926041255623245
  5. Richard Cheng, DORiverside, CA 925051861551525
  6. Palak Dave, MDRiverside, CA 925051962782896
  7. William Hunt, MDRiverside, CA 925051992876957
  8. Sherif Iskander, M.D.Riverside, CA 925051326458324

Common questions

What is Ellen Liang, DO, MPH's NPI number?

Ellen Liang, DO, MPH's National Provider Identifier (NPI) is 1316568371, issued on Apr 30, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ellen Liang, DO, MPH located?

The NPPES record lists a practice address at 26520 Cactus Ave, Moreno Valley, CA, 92555. Phone: (951) 486-4000. Providers update this record themselves, so call before visiting.

How can I verify Ellen Liang, DO, MPH's license?

NPPES lists California license number 21108, 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.

How much does Ellen Liang, DO, MPH prescribe under Medicare Part D?

In 2024, Ellen Liang, DO, MPH had 328 Medicare Part D claims for 88 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. Part D covers Medicare prescriptions only.

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

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.