Dr. Derek J. Li, MD
- Part D claims, 2023
- 19
- Industry payments
- $194
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 13652 W Cantara St, Panorama City, CA 91402
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Li's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Derek J. Li is an internist in Panorama City, California
Dr. Li practices in Panorama City, California.
Dr. Li's NPI, 1902973845, was assigned on November 29, 2006. Dr. Li graduated from Rush Medical College in 1986. Dr. Li's California license number on file is G61662.
- NPI
- 1902973845NPI Registry (opens in a new tab)
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Derek J. Li's practice address is in Panorama City, California
Dr. Li's practice address in the NPI Registry is 13652 W Cantara St, Panorama City, CA 91402, in Los Angeles County. The practice phone is (909) 427-3910.
- NPI Registry address13652 W Cantara St, Panorama City, CA 91402 · Los Angeles CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Derek J. Li's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Li practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Li's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Derek J. Li is one of 16,751 internists in California
Internal medicine is Dr. Li's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Li is board certified in geriatric medicine by the National Board of Physicians and Surgeons. Dr. Li has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Li
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Derek J. Li's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Li's median patient age at 56, with 63% women.
Dr. Li's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women63%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Derek J. Li wrote 19 Medicare Part D claims in 2023
In 2023, Dr. Li wrote 19 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $208 in total drug cost. In 2022, CMS named 216 claims across 14 drugs.
Dr. Li's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2162023: 1991%
Drugs named by CMS: 1 in 2023, 14 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Derek J. Li received $194 in industry payments from 2017 to 2025
CMS Open Payments shows 8 general payments to Dr. Li from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Ferring Pharmaceuticals Inc. paid the most, $63.
General payments to Dr. Li by program year, 2017 to 2025
Companies that paid Dr. Li the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derek J. Li graduated from Rush Medical College
Dr. Li graduated from Rush Medical College in 1986.
- Medical school
- Board certified in geriatric medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Derek J. Li's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Derek J. Li
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Derek J. Li's NPI number?
Dr. Derek J. Li's NPI number is 1902973845. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek J. Li?
Dr. Derek J. Li is an internist in Panorama City, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Derek J. Li practice?
Dr. Li practices at 13652 W Cantara St, Panorama City, CA 91402.
What is Dr. Derek J. Li's office phone number?
The practice phone on file for Dr. Li is (909) 427-3910.
What is Dr. Derek J. Li's medical license number?
Dr. Li's California license number on file is G61662.
Is Dr. Derek J. Li board certified?
Yes. Dr. Li is board certified in geriatric medicine by the National Board of Physicians and Surgeons.
Where did Dr. Derek J. Li go to medical school?
Dr. Li graduated from Rush Medical College in 1986.
What drugs does Dr. Derek J. Li prescribe most?
In 2023 Medicare Part D data, Dr. Li's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Derek J. Li received payments from drug or device companies?
CMS Open Payments shows $194 in general payments to Dr. Li from 5 companies from 2017 to 2025. The largest total came from Ferring Pharmaceuticals Inc.
How long has Dr. Derek J. Li been practicing?
Dr. Li graduated from medical school in 1986, 40 years ago.
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