Adam M. Sun, MD
Nephrology Physician · Monterey Park, CA
Adam M. Sun, MD is a nephrology physician with a practice address in Monterey Park, California, and NPI 1497712715, issued on Apr 28, 2006. Check the license (California C43035, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adam M. Sun
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- C43035 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 N Garfield Ave, Monterey Park, CA 91754
- Phone
- (626) 572-0660
- Enumerated
- Apr 28, 2006
- Record last updated
- Mar 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (626) 572-0860
- Medicaid ID
- 00C430350 CA
- Medicare enrollment
- Enrolled (PECOS I20110401000661); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 500 N Garfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Adam M. Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C43035Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average nephrology physician in 2024
3,524 Medicare Part D claims for 299 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Farxiga419 claims
- Kerendia306 claims
- Amlodipine Besylate286 claims
- Losartan Potassium254 claims
- Dapagliflozin167 claims
- Sevelamer Carbonate163 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: $772.37
23 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Adam M. Sun among 1,468 nephrology physician records in California
Adam M. Sun, MD 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1984 · median 2001 among the 1,128 with a school on file
- Record last updated2020 · 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 Monterey Park → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Hone Kaw, M.DMonterey Park, CA 917541750729588
- Carlos Meza, M.D.Monterey Park, CA 917541063592269
- Lynn Wang, M.D.Monterey Park, CA 917541598715062
- Jim-Jer Hwu, MDMonterey Park, CA 917551275634248
- Charles Nguyen, M.D.Eastvale, CA 917521538400288
- Hla Myint Maung Hwang, M.D.Ontario, CA 917621356357560
- Abid Khan, M.D.Ontario, CA 917621326184524
- Deborah Lu, MDHacienda Heights, CA 917451992264709
Common questions
What is Adam M. Sun, MD's NPI number?
Adam M. Sun, MD's National Provider Identifier (NPI) is 1497712715, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Adam M. Sun, MD located?
The NPPES record lists a practice address at 500 N Garfield Ave, Monterey Park, CA, 91754. Phone: (626) 572-0660. Providers update this record themselves, so call before visiting.
How can I verify Adam M. Sun, MD's license?
NPPES lists California license number C43035, 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 Adam M. Sun, MD prescribe under Medicare Part D?
In 2024, Adam M. Sun, MD had 3,524 Medicare Part D claims for 299 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.