Dennis Hao Chen, MD
Endocrinology, Diabetes & Metabolism Physician · Los Angeles, CA
Dennis Hao Chen, MD is an endocrinology, diabetes & metabolism physician with a practice address in Los Angeles, California, and NPI 1639759970, issued on Apr 12, 2021. Check the license (California A193287, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dennis Hao Chen
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A193287 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8723 Alden Dr Ste 290, Los Angeles, CA 90048
- Phone
- (310) 423-3277
- Enumerated
- Apr 12, 2021
- Record last updated
- Jul 20, 2024
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 8723 Alden Dr Ste 290
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacqueline Deirmenjian, MDStudent in an Organized Health Care Education/Training Program1679203087
- Daniel Kim, MDInternal Medicine Physician1932841129
- James Kirkland, M.D.Endocrinology, Diabetes & Metabolism Physician1487682308
- Michelle KohStudent in an Organized Health Care Education/Training Program1861954851
Verify Dennis Hao Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A193287Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
201 Medicare Part D claims for 45 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Atorvastatin Calcium19 claims
- Metformin Hcl13 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: $31.98
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 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.
Dennis Hao Chen among 1,131 endocrinology, diabetes & metabolism physician records in California
Dennis Hao Chen, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.
- NPI issued2021 · 98% of these records are older, under 1% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Los Angeles → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Anat Ben Shlomo, M.D.Los Angeles, CA 900481306990502
- Vivien Bonert, M.D.Los Angeles, CA 900481235117128
- Glenn Braunstein, M.D.Los Angeles, CA 900481952389751
- Odelia Cooper, M.D.Los Angeles, CA 900481598977407
- Roma Gianchandani, MB, BSWest Hollywood, CA 900481275616187
- Mark Goodarzi, M.D.Los Angeles, CA 900481770511867
- Laurence Katznelson, MDLos Angeles, CA 900481013082643
- Azarmindokht Khosravi, M.D.West Hollywood, CA 900481891818332
Common questions
What is Dennis Hao Chen, MD's NPI number?
Dennis Hao Chen, MD's National Provider Identifier (NPI) is 1639759970, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Hao Chen, MD located?
The NPPES record lists a practice address at 8723 Alden Dr Ste 290, Los Angeles, CA, 90048. Phone: (310) 423-3277. Providers update this record themselves, so call before visiting.
How can I verify Dennis Hao Chen, MD's license?
NPPES lists California license number A193287, 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 Dennis Hao Chen, MD prescribe under Medicare Part D?
In 2024, Dennis Hao Chen, MD had 201 Medicare Part D claims for 45 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.