Matthew Kim, DO
Nephrology Physician · Pasadena, CA
Matthew Kim, DO is a nephrology physician with a practice address in Pasadena, California, and NPI 1700319837, issued on Apr 5, 2017. Check the license (California 20A16814, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Matthew Kim
- Credential
- DO
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 20A16814 CA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Alessandro PL Ste 250, Pasadena, CA 91105
- Phone
- (626) 577-1675
- Enumerated
- Apr 5, 2017
- Record last updated
- Feb 26, 2026
- Fax
- (626) 577-9115
- Medicare enrollment
- Enrolled (PECOS I20220713000507); accepts Medicare assignment
- Medical or professional school
- Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 50 Alessandro PL Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allen ChaoNephrology Physician1952765034
- Michael Linsey, M.D.Nephrology Physician1841215217
- Ann Moore, MDNephrology Physician1750506630
- Ka-Lok Tse, M.D.Nephrology Physician1093730491
Verify Matthew Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A16814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average nephrology physician in 2024
904 Medicare Part D claims for 172 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate99 claims
- Nifedipine Er85 claims
- Furosemide84 claims
- Losartan Potassium59 claims
- Carvedilol46 claims
- Allopurinol43 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): 95.2 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: $1,418.71
42 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Pasadena Nephrology Corporation A Medical GroupPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Kim among 1,468 nephrology physician records in California
Matthew Kim, DO is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 91% of them.
- NPI issued2017 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 2001 among the 1,128 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Pasadena → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Syeda Ali, MDPasadena, CA 911051528051984
- Allen ChaoPasadena, CA 911051952765034
- Justin Chen, MDPasadena, CA 911051447526066
- Muhammad Iqbal, M.D.Pasadena, CA 911051578515896
- Michael Linsey, M.D.Pasadena, CA 911051841215217
- Ilian Marquez, M.D.Pasadena, CA 911051710019906
- Ann Moore, MDPasadena, CA 911051750506630
- Ashok Sunder Raj, M.D.Pasadena, CA 911051093744070
Common questions
What is Matthew Kim, DO's NPI number?
Matthew Kim, DO's National Provider Identifier (NPI) is 1700319837, issued on Apr 5, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Kim, DO located?
The NPPES record lists a practice address at 50 Alessandro PL Ste 250, Pasadena, CA, 91105. Phone: (626) 577-1675. Providers update this record themselves, so call before visiting.
How can I verify Matthew Kim, DO's license?
NPPES lists California license number 20A16814, 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 Matthew Kim, DO prescribe under Medicare Part D?
In 2024, Matthew Kim, DO had 904 Medicare Part D claims for 172 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Matthew Kim, DO's MIPS final score?
The 2023 MIPS final score is 95.2 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.