Glenn Noel Niegas, D.O.
Internal Medicine Physician · Trabuco Canyon, CA
Glenn Noel Niegas, D.O. is an internal medicine physician with a practice address in Trabuco Canyon, California, and NPI 1912157645, issued on Sep 30, 2008. Check the license (California 20A10503, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Glenn Noel Niegas
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A10503 CA
Self-reported in NPPES; status is on the state search - Practice location
- 28582 Malabar RD, Trabuco Canyon, CA 92679
- Phone
- (714) 403-1082
- Enumerated
- Sep 30, 2008
- Record last updated
- Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 858-1082
- Medicare enrollment
- Enrolled (PECOS I20081203000526); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2006
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Glenn Noel Niegas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glenn Noel Niegas among 17,696 internal medicine physician records in California
Glenn Noel Niegas, D.O. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Trabuco Canyon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Bassam Bilal, M.D.Laguna Niguel, CA 926771306890827
- Susan Dindot, MDLaguna Niguel, CA 926771821279225
- Vincent Duda, MDLaguna Niguel, CA 926771104883610
- Peter Jungwirth, M.D.Laguna Niguel, CA 926771164566477
- Sonja Krafcik, MDLaguna Niguel, CA 926771598767170
- Parisa Mortaji, MDLaguna Niguel, CA 926771083174841
- Erin Parise, MDLaguna Niguel, CA 926771225282775
- Zahra Shahim, MDLaguna Niguel, CA 926771023252657
Common questions
What is Glenn Noel Niegas, D.O.'s NPI number?
Glenn Noel Niegas, D.O.'s National Provider Identifier (NPI) is 1912157645, issued on Sep 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Noel Niegas, D.O. located?
The NPPES record lists a practice address at 28582 Malabar RD, Trabuco Canyon, CA, 92679. Phone: (714) 403-1082. Providers update this record themselves, so call before visiting.
How can I verify Glenn Noel Niegas, D.O.'s license?
NPPES lists California license number 20A10503, 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. 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.