NPPES file of Aug 9, 2026

Chester Sung Ching, MD

Nephrology Physician · Waipahu, HI

Chester Sung Ching, MD is a nephrology physician with a practice address in Waipahu, Hawaii, and NPI 1568481281, issued on Jul 19, 2006. Check the license (Hawaii MD-20803, as entered in NPPES) on the Hawaii Medical Board; 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
1568481281
Name
Chester Sung Ching
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
MD-20803 HI
MD20815 OR
Self-reported in NPPES; status is on the state search
Practice location
94-229 Waipahu Depot St Ste 101, Waipahu, HI 96797
Phone
(808) 206-9849
Enumerated
Jul 19, 2006
Record last updated
Apr 19, 2024
Fax
(808) 206-9850
Medicaid ID
004219 HI
Medicare enrollment
Enrolled (PECOS I20200127002270); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1990
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 94-229 Waipahu Depot St Ste 101

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

  1. Ryan Argyros, FNPNurse Practitioner1750933669
  2. Hannah Bernadsky, FNP-CNurse Practitioner1902532039
  3. Rahul Bhaskar, MDNephrology Physician1356904015
  4. Alex Carlos, MDNephrology Physician1770147225
  5. Rafal Ciecierski, MDNephrology Physician1093916595
  6. Cecilia Leila Green, APRNFamily Nurse Practitioner1245742030

Verify Chester Sung Ching in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-20803
    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 Hawaii license search

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90% fewer Medicare Part D claims than the average nephrology physician in 2024

153 Medicare Part D claims for 53 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Chester Ching153
  2. Specialty average1,465

Most prescribed

  1. Furosemide40 claims
  2. Losartan Potassium14 claims
  3. Hydralazine Hcl12 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: $777.81

11 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals 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. Chester Ching$777.81
  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.

Bills Medicare through one group practice

  1. Hawaii Kidney Specialists LLPAiea, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chester Sung Ching among 65 nephrology physician records in Hawaii

Chester Sung Ching, MD is one of 65 nephrology physician records with a practice address in Hawaii. 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 51% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1990 · median 2001 among the 47 with a school on file
  • Record last updated2024 · 43% 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 Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in Hawaii

There are 65 nephrology physician records in Hawaii.

The 8 nephrology physician records with the nearest ZIP codes

  1. Rahul Bhaskar, MDWaipahu, HI 967971356904015
  2. Alex Carlos, MDWaipahu, HI 967971770147225
  3. Rafal Ciecierski, MDWaipahu, HI 967971093916595
  4. Calvin Henderson, MDWaipahu, HI 967971144806969
  5. Alan Lau, MDWaipahu, HI 967971205936911
  6. Valerie Tan, M.D.Waipahu, HI 967971326371832
  7. Antonin Jaros, MDWailuku, HI 967931669438842
  8. Mary Kingma-Noland, M.D.Wailuku, HI 967931578686895

Common questions

What is Chester Sung Ching, MD's NPI number?

Chester Sung Ching, MD's National Provider Identifier (NPI) is 1568481281, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chester Sung Ching, MD located?

The NPPES record lists a practice address at 94-229 Waipahu Depot St Ste 101, Waipahu, HI, 96797. Phone: (808) 206-9849. Providers update this record themselves, so call before visiting.

How can I verify Chester Sung Ching, MD's license?

NPPES lists Hawaii license number MD-20803, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chester Sung Ching, MD prescribe under Medicare Part D?

In 2024, Chester Sung Ching, MD had 153 Medicare Part D claims for 53 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.