Paul Hung-Jen Chu, M.D.
Internal Medicine Physician · Los Angeles, CA
Paul Hung-Jen Chu, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1619052628, issued on Oct 26, 2006. Check the license (California G78766, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Hung-Jen Chu
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G78766 CA
Self-reported in NPPES; status is on the state search - Practice location
- 945 N Hill St, Los Angeles, CA 90012
- Phone
- (213) 617-0777
- Enumerated
- Oct 26, 2006
- Record last updated
- Oct 19, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (213) 613-0328
- Medicaid ID
- 00G787661 CA
- Medicare enrollment
- Enrolled (PECOS I20100914000284); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1992
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 945 N Hill St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chun NgaiFamily Medicine Physician1053001461
Verify Paul Hung-Jen Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G78766Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,991 Medicare Part D claims for 795 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium569 claims
- Amlodipine Besylate476 claims
- Losartan Potassium324 claims
- Triamcinolone Acetonide227 claims
- Montelukast Sodium223 claims
- Omeprazole219 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: $446.72
13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Paul Hung-Jen Chu among 17,696 internal medicine physician records in California
Paul Hung-Jen Chu, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1992 · median 2004 among the 11,065 with a school on file
- Record last updated2015 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ting-Lin Kao, M.D.Los Angeles, CA 900121508881137
- Youjong Ko, MDLos Angeles, CA 900121508934027
- Sandra Lee, M.D.Los Angeles, CA 900121457379786
- George Ma, M.D.Los Angeles, CA 900121528178332
- Meera Modi, M.D.Los Angeles, CA 900121023024916
- Chung Ng, M.D.Los Angeles, CA 900121285708651
- Huan Nguyen, M.D.Los Angeles, CA 900121841224474
- Elias Paikal, MDLos Angeles, CA 900121578594776
Common questions
What is Paul Hung-Jen Chu, M.D.'s NPI number?
Paul Hung-Jen Chu, M.D.'s National Provider Identifier (NPI) is 1619052628, issued on Oct 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Paul Hung-Jen Chu, M.D. located?
The NPPES record lists a practice address at 945 N Hill St, Los Angeles, CA, 90012. Phone: (213) 617-0777. Providers update this record themselves, so call before visiting.
How can I verify Paul Hung-Jen Chu, M.D.'s license?
NPPES lists California license number G78766, 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 Paul Hung-Jen Chu, M.D. prescribe under Medicare Part D?
In 2024, Paul Hung-Jen Chu, M.D. had 9,991 Medicare Part D claims for 795 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.