Arnold I. Chin, MD, PHD
Urology Physician · Los Angeles, CA
Arnold I. Chin, MD, PHD is a urology physician with a practice address in Los Angeles, California, and NPI 1356578066, issued on Jun 19, 2009. Check the license (California A89934, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arnold I. Chin
- Credential
- MD, PHD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A89934 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Ucla Medical Plz, Los Angeles, CA 90095
- Phone
- (310) 206-5343
- Enumerated
- Jun 19, 2009
- Record last updated
- Jan 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (310) 206-1265
- Medicare enrollment
- Enrolled (PECOS I20090921000286); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 200 Ucla Medical Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farah AbdiInternal Medicine Physician1144752783
- John Adams, MDOrthopaedic Surgery Physician1215914114
- Andrea Alaniz, BSN, RNRegistered Nurse1942653639
- Pamela Jean Boyer, MDObstetrics Physician1265460620
- Bruce Brown, M.D.Orthopaedic Surgery Physician1033147202
- Yunying Chen, NPNurse Practitioner1558944520
Verify Arnold I. Chin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A89934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average urology physician in 2024
507 Medicare Part D claims for 173 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 15 claims were for opioids.
Most prescribed
- Tamsulosin Hcl156 claims
- Finasteride67 claims
- Ciprofloxacin Hcl41 claims
- Alfuzosin Hcl Er31 claims
- Gemtesa21 claims
- Sulfamethoxazole-Trimethoprim17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $12,978.50
22 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 9,340 providers of this specialty with any payment received $3,800.04 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.
Bills Medicare through one group practice
- The Regents OF The University OF CaliforniaSanta Monica, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arnold I. Chin among 1,524 urology physician records in California
Arnold I. Chin, MD, PHD is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2003 · median 2003 among the 1,049 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Los Angeles → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- William Aronson, MDLos Angeles, CA 900951639194095
- Arie Belldegrun, MDLos Angeles, CA 900951013932847
- Karim Chamie, M.D.Los Angeles, CA 900951962478420
- Jean Dekernion, MDLos Angeles, CA 900951871518613
- Richard Ehrlich, MD, FACS, FAAPLos Angeles, CA 900951578560413
- Isla Garraway, MDLos Angeles, CA 900951356366116
- Hans Gritsch, MDLos Angeles, CA 900951720006976
- Stuart HoldenLos Angeles, CA 900951013941483
Common questions
What is Arnold I. Chin, MD, PHD's NPI number?
Arnold I. Chin, MD, PHD's National Provider Identifier (NPI) is 1356578066, issued on Jun 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Arnold I. Chin, MD, PHD located?
The NPPES record lists a practice address at 200 Ucla Medical Plz, Los Angeles, CA, 90095. Phone: (310) 206-5343. Providers update this record themselves, so call before visiting.
How can I verify Arnold I. Chin, MD, PHD's license?
NPPES lists California license number A89934, 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 Arnold I. Chin, MD, PHD prescribe under Medicare Part D?
In 2024, Arnold I. Chin, MD, PHD had 507 Medicare Part D claims for 173 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Arnold I. Chin, MD, PHD's MIPS final score?
The 2023 MIPS final score is 81.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.