Eung Koo Bai, MD
General Practice Physician · Norwalk, CA
Eung Koo Bai, MD is a general practice physician with a practice address in Norwalk, California, and NPI 1962412536, issued on Aug 8, 2006. Check the license (California C41124, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eung Koo Bai
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- C41124 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12017 East Rosecrans Ave, Norwalk, CA 90650
- Phone
- (562) 868-2027
- Enumerated
- Aug 8, 2006
- Record last updated
- Jun 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (562) 868-0033
- Medicaid ID
- 00C411240 CA
- Medicare enrollment
- Enrolled (PECOS I20100909000585); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Verify Eung Koo Bai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C41124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average general practice physician in 2024
2,134 Medicare Part D claims for 174 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium178 claims
- Metformin Hcl120 claims
- Amlodipine Besylate101 claims
- Losartan Potassium88 claims
- Amoxicillin72 claims
- Ibuprofen66 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.
Industry payments in 2024: $20.94
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Eung Koo Bai among 1,956 general practice physician records in California
Eung Koo Bai, MD is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1970 · median 1994 among the 520 with a school on file
- Record last updated2019 · 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 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Norwalk → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Violeta Anorico, MDNorwalk, CA 906501063468478
- Vinh Bach, MDNorwalk, CA 906501093751349
- Daryoush Farahmand, M.D.Norwalk, CA 906501780988683
- Daisy Kutty, MDNorwalk, CA 906501376599779
- Tuyen Le, MDNorwalk, CA 906501306893243
- Dung Nguyen, MDNorwalk, CA 906501497702336
- Nghi Pham, MDNorwalk, CA 906501528014941
- Niza Uy-Uyan, MDNorwalk, CA 906501710933254
Common questions
What is Eung Koo Bai, MD's NPI number?
Eung Koo Bai, MD's National Provider Identifier (NPI) is 1962412536, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eung Koo Bai, MD located?
The NPPES record lists a practice address at 12017 East Rosecrans Ave, Norwalk, CA, 90650. Phone: (562) 868-2027. Providers update this record themselves, so call before visiting.
How can I verify Eung Koo Bai, MD's license?
NPPES lists California license number C41124, 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 Eung Koo Bai, MD prescribe under Medicare Part D?
In 2024, Eung Koo Bai, MD had 2,134 Medicare Part D claims for 174 beneficiaries; the average among general practice physician prescribers was 3,030. 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.