Chen Chen, D.O.
Internal Medicine Physician · Elk Grove, CA
Chen Chen, D.O. is an internal medicine physician with a practice address in Elk Grove, California, and NPI 1831573823, issued on Jul 20, 2015. Check the license (California 20A15121, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chen Chen
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A15121 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8170 Laguna Blvd Ste 101, Elk Grove, CA 95758
- Phone
- (916) 691-5915
- Enumerated
- Jul 20, 2015
- Record last updated
- Oct 8, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (916) 691-5916
- Medicare enrollment
- Enrolled (PECOS I20181114003148); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 8170 Laguna Blvd Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peggy Bustos, FNPFamily Nurse Practitioner1831715507
- David DoInternal Medicine Physician1851041180
- Pluemchit Mensik, MFTMarriage & Family Therapist1477758258
- Maninder Sanghera, M.D.Internal Medicine Physician1164702437
- Seema Shah, MDFamily Medicine Physician1043733983
- Joseph Xu, MDInternal Medicine Physician1194389809
Verify Chen Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
55% more Medicare Part D claims than the average internal medicine physician in 2024
4,920 Medicare Part D claims for 375 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 271 claims were for opioids.
Most prescribed
- Atorvastatin Calcium328 claims
- Amlodipine Besylate235 claims
- Losartan Potassium195 claims
- Levothyroxine Sodium182 claims
- Gabapentin147 claims
- Metformin Hcl116 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
- Sutter Valley Medical FoundationFolsom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chen Chen among 17,696 internal medicine physician records in California
Chen Chen, D.O. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.
- NPI issued2015 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 11,065 with a school on file
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 internal medicine physician records list a practice address in Elk Grove
They are 38 of the 3,596 NPPES records with a practice address in Elk Grove, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Elk Grove → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Todd Fisher, M.D.Sacramento, CA 957581689610388
- Eddy Joelson, M.D.Elk Grove, CA 957581043294580
- Jojo Joves, MDElk Grove, CA 957581356429070
- Lisa Marelich, MDElk Grove, CA 957581417035130
- Luu Nguyen, MDElk Grove, CA 957581417035148
- Edward Pagliere, MDElk Grove, CA 957581518045228
- Shahin Shahbazi, MDElk Grove, CA 957581265510994
- Desmond Tan, M.D.Elk Grove, CA 957581780625863
Common questions
What is Chen Chen, D.O.'s NPI number?
Chen Chen, D.O.'s National Provider Identifier (NPI) is 1831573823, issued on Jul 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chen Chen, D.O. located?
The NPPES record lists a practice address at 8170 Laguna Blvd Ste 101, Elk Grove, CA, 95758. Phone: (916) 691-5915. Providers update this record themselves, so call before visiting.
How can I verify Chen Chen, D.O.'s license?
NPPES lists California license number 20A15121, 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 Chen Chen, D.O. prescribe under Medicare Part D?
In 2024, Chen Chen, D.O. had 4,920 Medicare Part D claims for 375 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.