NPPES file of Aug 9, 2026

Chun Fai Ng, M.D.

Hematology & Oncology Physician · Stockton, CA

Chun Fai Ng, M.D. is a hematology & oncology physician with a practice address in Stockton, California, and NPI 1104057827, issued on Jul 29, 2009. Check the license (California A118621, 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
1104057827
Name
Chun Fai Ng
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
A118621 CA
251642 NY
Self-reported in NPPES; status is on the state search
Practice location
7373 West LN, Stockton, CA 95210
Phone
(209) 476-5778
Enumerated
Jul 29, 2009
Record last updated
Feb 11, 2022
Fax
(209) 476-3566
Medicare enrollment
Enrolled (PECOS I20120926000321); accepts Medicare assignment
Medical or professional school
New York Medical College, 2006
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 7373 West LN

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

  1. Radha Achalu, MDFamily Medicine Physician1366520942
  2. Brett Adams, MDOtolaryngology Physician1407934227
  3. Maria-Beatina Agagon, PTPhysical Therapist1265502991
  4. Lorna Agoo, MDInternal Medicine Physician1831241637
  5. Erica Aguiar, DPTPhysical Therapist1649785825
  6. Rosario Aguirre, RDRegistered Dietitian1023172988

Verify Chun Fai Ng in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A118621
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.1 times the Medicare Part D claims of the average hematology & oncology physician in 2024

1,838 Medicare Part D claims for 304 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 163 claims were for opioids.

  1. Chun Ng1,838
  2. Specialty average877

Most prescribed

  1. Dexamethasone89 claims
  2. Ondansetron Hcl88 claims
  3. Levothyroxine Sodium77 claims
  4. Tagrisso69 claims
  5. Hydrocodone-Acetaminophen68 claims
  6. Hydroxyurea56 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncModesto, CA

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

Chun Fai Ng among 1,583 hematology & oncology physician records in California

Chun Fai Ng, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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 66% of them.

  • NPI issued2009 · 66% of these records are older, 30% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2006 · median 2003 among the 1,124 with a school on file
  • Record last updated2022 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in California

There are 1,583 hematology & oncology physician records in California.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Abbas Ghadialy, MDStockton, CA 952101114005022
  2. Lay Owyong, MDStockton, CA 952101871667477
  3. James Shum, MDStockton, CA 952101770661258
  4. Aye Soe, M.D.Stockton, CA 952101528304375
  5. Ikechukwu ChidobemStockton, CA 952091790313260
  6. Ravleen Grewal, MDStockton, CA 952041679078885
  7. Dheeraj Kodali, M.D.Stockton, CA 952041508179607
  8. Amandeep Gill, M.DFrench Camp, CA 952311285838359

Common questions

What is Chun Fai Ng, M.D.'s NPI number?

Chun Fai Ng, M.D.'s National Provider Identifier (NPI) is 1104057827, issued on Jul 29, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Chun Fai Ng, M.D. located?

The NPPES record lists a practice address at 7373 West LN, Stockton, CA, 95210. Phone: (209) 476-5778. Providers update this record themselves, so call before visiting.

How can I verify Chun Fai Ng, M.D.'s license?

NPPES lists California license number A118621, 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 Chun Fai Ng, M.D. prescribe under Medicare Part D?

In 2024, Chun Fai Ng, M.D. had 1,838 Medicare Part D claims for 304 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.