NPPES file of Aug 9, 2026

Sung Chul Yang, MD

Nephrology Physician · Lancaster, CA

Sung Chul Yang, MD is a nephrology physician with a practice address in Lancaster, California, and NPI 1871562900, issued on Mar 14, 2006. Check the license (California A43185, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871562900
Name
Sung Chul Yang
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A43185 CA
Self-reported in NPPES; status is on the state search
Practice location
1759 W Avenue J, Lancaster, CA 93534
Phone
(661) 948-1388
Enumerated
Mar 14, 2006
Record last updated
Feb 23, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(661) 948-1223
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1759 W Avenue J

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ghassan Dahhan, MDNephrology Physician1821066325
  2. Nanette Fonte, M.D.Nephrology Physician1962732974
  3. Bassam Hadaya, MDNephrology Physician1801864301
  4. Bassel Hadaya, M.D.Nephrology Physician1174629950
  5. Rendell Manalo, D.O.Nephrology Physician1265610950

Verify Sung Chul Yang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A43185
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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1% more Medicare Part D claims than the average nephrology physician in 2024

1,485 Medicare Part D claims for 219 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Sung Yang1,485
  2. Specialty average1,465

Most prescribed

  1. Prosol101 claims
  2. Clinolipid78 claims
  3. Clonidine Hcl53 claims
  4. Rosuvastatin Calcium51 claims
  5. Calcitriol47 claims
  6. Calcium Acetate47 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: $274.54

10 payments; by number, the most common kind was food and beverage; the largest payer was Akebia Therapeutics 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.

  1. Sung Yang$274.54
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sung Chul Yang among 1,468 nephrology physician records in California

Sung Chul Yang, 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 fileNo · 77% of these records are
  • Record last updated2016 · 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.

The 8 nephrology physician records with the nearest ZIP codes

  1. Ghassan Dahhan, MDLancaster, CA 935341821066325
  2. Nanette Fonte, M.D.Lancaster, CA 935341962732974
  3. Bassam Hadaya, MDLancaster, CA 935341801864301
  4. Bassel Hadaya, M.D.Lancaster, CA 935341174629950
  5. Tarek Karam, MDLancaster, CA 935341467081190
  6. Joseph MahalliLancaster, CA 935341023676376
  7. Rendell Manalo, D.O.Lancaster, CA 935341265610950
  8. Abraham Paykar, M.D.Lancaster, CA 935341114903762

Common questions

What is Sung Chul Yang, MD's NPI number?

Sung Chul Yang, MD's National Provider Identifier (NPI) is 1871562900, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sung Chul Yang, MD located?

The NPPES record lists a practice address at 1759 W Avenue J, Lancaster, CA, 93534. Phone: (661) 948-1388. Providers update this record themselves, so call before visiting.

How can I verify Sung Chul Yang, MD's license?

NPPES lists California license number A43185, 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 Sung Chul Yang, MD prescribe under Medicare Part D?

In 2024, Sung Chul Yang, MD had 1,485 Medicare Part D claims for 219 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.