Donald Fong-Cheng Chen, M.D.
Family Medicine Physician · Newbury Park, CA
Donald Fong-Cheng Chen, M.D. is a family medicine physician with a practice address in Newbury Park, California, and NPI 1659432268, issued on Dec 13, 2006. Check the license (California A39949, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald Fong-Cheng Chen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A39949 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Newbury RD Ste 105, Newbury Park, CA 91320
- Phone
- (805) 216-0840
- Enumerated
- Dec 13, 2006
- Record last updated
- Mar 21, 2025
- Entity
- Type 1 · individual
Also registered at 1000 Newbury RD Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Benjamin Capper, M.D.Internal Medicine Physician1437544699
- Richard Reiss, DCChiropractor1144376427
Verify Donald Fong-Cheng Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A39949Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
179 Medicare Part D claims for 30 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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: $214.20
4 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 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.
4 family medicine physician records list a practice address in Newbury Park
They are 4 of the 350 NPPES records with a practice address in Newbury Park, and 17,133 family medicine physician records in California.
All 4 in Newbury Park → All 17,133 in California → Every provider in Newbury Park →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Donald Fong-Cheng Chen, M.D.'s NPI number?
Donald Fong-Cheng Chen, M.D.'s National Provider Identifier (NPI) is 1659432268, issued on Dec 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Fong-Cheng Chen, M.D. located?
The NPPES record lists a practice address at 1000 Newbury RD Ste 105, Newbury Park, CA, 91320. Phone: (805) 216-0840. Providers update this record themselves, so call before visiting.
How can I verify Donald Fong-Cheng Chen, M.D.'s license?
NPPES lists California license number A39949, 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 Donald Fong-Cheng Chen, M.D. prescribe under Medicare Part D?
In 2024, Donald Fong-Cheng Chen, M.D. had 179 Medicare Part D claims for 30 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.