Ei Ei Thu, MD
Internal Medicine Physician · Redlands, CA
Ei Ei Thu, MD is an internal medicine physician with a practice address in Redlands, California, and NPI 1578988994, issued on Feb 21, 2014. Check the license (California 142454, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ei Ei Thu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 142454 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2 W Fern Ave, Redlands, CA 92373
- Phone
- (909) 793-3311
- Enumerated
- Feb 21, 2014
- Record last updated
- Jan 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20161101001264); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2 W Fern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Onyinye Ahamba, M.DHospitalist Physician1164835237
Verify Ei Ei Thu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 142454Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average internal medicine physician in 2024
776 Medicare Part D claims for 251 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Furosemide53 claims
- Clopidogrel41 claims
- Atorvastatin Calcium40 claims
- Eliquis35 claims
- Pantoprazole Sodium29 claims
- Amlodipine Besylate25 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
- Beaver Medical Group P CRedlands, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ei Ei Thu among 17,696 internal medicine physician records in California
Ei Ei Thu, MD 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 2014, is newer than 74% of them.
- NPI issued2014 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2004 among the 11,065 with a school on file
- Record last updated2026 · 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).
56 internal medicine physician records list a practice address in Redlands
They are 56 of the 2,498 NPPES records with a practice address in Redlands, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Redlands → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Charles Chen, M.D.Redlands, CA 923731124050463
- Jun Chiong, M.D., M.P.H.Redlands, CA 923731598730590
- Regan Douty, D.O.Redlands, CA 923731295766442
- Mamdooh Gayid, MDRedlands, CA 923731477554988
- Junku Kang, MDRedlands, CA 923731265474225
- Casey Kennedy, MDRedlands, CA 923731801839246
- Mohammad Osmani, MDRedlands, CA 923731568479483
- Moses Park, M.D.Redlands, CA 923731528079639
Common questions
What is Ei Ei Thu, MD's NPI number?
Ei Ei Thu, MD's National Provider Identifier (NPI) is 1578988994, issued on Feb 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ei Ei Thu, MD located?
The NPPES record lists a practice address at 2 W Fern Ave, Redlands, CA, 92373. Phone: (909) 793-3311. Providers update this record themselves, so call before visiting.
How can I verify Ei Ei Thu, MD's license?
NPPES lists California license number 142454, 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 Ei Ei Thu, MD prescribe under Medicare Part D?
In 2024, Ei Ei Thu, MD had 776 Medicare Part D claims for 251 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.