Glenn Douglas Madokoro, M.D.
Gastroenterology Physician · Newport Beach, CA
Glenn Douglas Madokoro, M.D. is a gastroenterology physician with a practice address in Newport Beach, California, and NPI 1639255060, issued on Oct 27, 2006. Check the license (California G30192, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Glenn Douglas Madokoro
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G30192 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2901 W Coast Hwy Ste 200, Newport Beach, CA 92663
- Phone
- (949) 548-8800
- Enumerated
- Oct 27, 2006
- Record last updated
- Dec 2, 2022
- Fax
- (949) 548-0248
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 2901 W Coast Hwy Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Courtney Collier, MA, LMFTMental Health Counselor1093284283
- Diane Dunne, PH.D.Clinical Psychologist1699988113
- Katie Wilkinson, M.D.Anatomic Pathology & Clinical Pathology Physician1508064387
Verify Glenn Douglas Madokoro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G30192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average gastroenterology physician in 2024
26 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Fluconazole11 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.
Glenn Douglas Madokoro among 2,140 gastroenterology physician records in California
Glenn Douglas Madokoro, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2022 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Newport Beach → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Donald Abrahm, M.D.Newport Beach, CA 926631215022405
- Kenneth J Chang, MDNewport Beach, CA 926631518047604
- Parminder Dhaliwal, MDNewport Beach, CA 926631811913759
- Ravi Kankotia, M.D.Newport Beach, CA 926631275996613
- Paul Korc, MD, INC.Newport Beach, CA 926631922243161
- Christopher Lee, MDNewport Beach, CA 926631629257035
- Homeira Mehrabian, MDNewport Beach, CA 926631699972844
- Phuong Nguyen, M.D.Newport Beach, CA 926631801838750
Common questions
What is Glenn Douglas Madokoro, M.D.'s NPI number?
Glenn Douglas Madokoro, M.D.'s National Provider Identifier (NPI) is 1639255060, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Douglas Madokoro, M.D. located?
The NPPES record lists a practice address at 2901 W Coast Hwy Ste 200, Newport Beach, CA, 92663. Phone: (949) 548-8800. Providers update this record themselves, so call before visiting.
How can I verify Glenn Douglas Madokoro, M.D.'s license?
NPPES lists California license number G30192, 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 Glenn Douglas Madokoro, M.D. prescribe under Medicare Part D?
In 2024, Glenn Douglas Madokoro, M.D. had 26 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. 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.