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Dr. James C. Li, MD
NPI1275681140PAC ID9032308515
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 8,380
- Publications
- 2
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 43112 15th W St, Lancaster, CA 93534
- Practice phone
- Call (661) 726-2279
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Lancaster, California
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. James C. Li is an internist in Lancaster, California
Dr. Li practices at Southern California Permanente Medical Group in Lancaster, California.
Dr. Li's NPI, 1275681140, was assigned on January 8, 2007. Dr. Li graduated from New York Medical College in 1999. Dr. Li holds California license G79005.
NPI and contact details
- NPI
- 1275681140NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032308515
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (661) 726-2279
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James C. Li practices at Southern California Permanente Medical Group in Lancaster, California
Dr. Li's primary practice is Southern California Permanente Medical Group, at 43112 15th W St, Lancaster, CA 93534 in Los Angeles County. The practice phone is (661) 726-2279.
- Southern California Permanente Medical Group43112 15th W St, Lancaster, CA 93534 · Los Angeles CountyPhone(661) 726-2279
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James C. Li is affiliated with 2 sites of care and 1 medical group
Dr. Li's primary practice is Southern California Permanente Medical Group in Lancaster, California. Dr. Li is also affiliated with Panorama City Medical Center. The medical group on file is Southern California Permanente Medical Group.
Southern California Permanente Medical GroupPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James C. 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 |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James C. 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 internal medicine by the American Board of Internal Medicine. Dr. Li is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists chronic hypertension and rash among the conditions Dr. Li treats.
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. James C. Li treated 19 Medicare patients in 2024, average age 61
CMS counts 19 Medicare patients who saw Dr. Li in 2024. 58% of them have high blood pressure. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Li's median patient age at 46, with 72% women.
Medicare patients, 202419
Average age61
Average risk score2.38
Chronic conditions among Dr. Li's Medicare patients, 2024
- High blood pressure58%
Share of Medicare patients with each condition. A patient can have several.
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 46
Patient panel by sex, all payers
- Women72%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James C. Li wrote 8,380 Medicare Part D claims in 2024
In 2024, Dr. Li wrote 8,380 Medicare Part D claims for 876 patients. 86% of them were for generic drugs. CMS names the drug for 7,821 of them, across 122 drugs with 11 or more claims each, at $493,958 in total drug cost. In 2023, CMS named 7,334 claims across 115 drugs.
Part D claims, 20248,380
Drugs named by CMS122
Total drug cost$493,958
Part D patients876
Dr. Li's Part D claims by kind of drug, 2024
- Generic7,238 claims86%
- Brand-name990 claims12%
- Other152 claims2%
Dr. Li's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Li's Part D claims, 2024
- Opioids6%519 of 8,380 claims
- Antibiotics2%170 of 8,380 claims
- Antipsychotics, patients 65 and over0%18 of 8,380 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,3342024: 7,8217%
Drugs named by CMS: 122 in 2024, 115 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. James C. Li takes part in Medicare
Dr. Li accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. James C. Li has 2 publications on record
Dmand AI links 2 papers to Dr. Li.
Papers2
Recent publications by Dr. Li
Otolaryngol Head Neck Surg
Antibodies, ViralDNA, ViralEpstein-Barr Virus Infections
See who Dr. Li researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Li works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. James C. Li graduated from New York Medical College
Dr. Li graduated from New York Medical College in 1999.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. James C. Li accepts plans from 2 insurance carriers
Dr. Li is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Li accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. James C. 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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. James C. 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. James C. Li's NPI number?
Dr. James C. Li's NPI number is 1275681140. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. James C. Li?
Dr. James C. Li is an internist in Lancaster, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. James C. Li practice?
Dr. Li practices at 43112 15th W St, Lancaster, CA 93534. Dr. Li's primary practice is Southern California Permanente Medical Group in Lancaster, California.
What is Dr. James C. Li's office phone number?
The practice phone on file for Dr. Li is (661) 726-2279.
What is Dr. James C. Li's medical license number?
Dr. Li holds California license G79005.
Which hospitals is Dr. James C. Li affiliated with?
Dr. Li is affiliated with Panorama City Medical Center.
What medical group is Dr. James C. Li part of?
Dr. Li is linked to Southern California Permanente Medical Group.
Does Dr. James C. Li accept Medicare?
Yes. CMS lists Dr. Li as accepting Medicare assignment.
How many Medicare patients does Dr. James C. Li see?
CMS counts 19 Medicare patients who saw Dr. Li in 2024, with an average age of 61.
Is Dr. James C. Li board certified?
Yes. Dr. Li is board certified in internal medicine by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
Where did Dr. James C. Li go to medical school?
Dr. Li graduated from New York Medical College in 1999.
What drugs does Dr. James C. Li prescribe most?
In 2024 Medicare Part D data, Dr. Li's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
How long has Dr. James C. Li been practicing?
Dr. Li graduated from medical school in 1999, 27 years ago.
Does Dr. James C. Li do research?
Dmand AI links 2 publications to Dr. Li.
What insurance does Dr. James C. Li accept?
Dr. Li is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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