Dr. Yang Li, MD
- Medicare services, 2024
- 366
- Medicare patients, 2024
- 332
- Part D claims, 2024
- 66
- Hospital affiliations
- 3
- Industry payments
- $256
- Practice address
- 101 E. Valencia Mesa Drive, Fullerton, CA 92835
- Practice phone
- Call (714) 578-8706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Jude Medical Center - Unit
Acute Care Hospital-Unit · Fullerton, 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. Yang Li is an internist in Fullerton, California
Dr. Li practices at St. Jude Medical Center - Unit in Fullerton, California.
Dr. Li's NPI, 1396035564, was assigned on April 8, 2011. Dr. Li holds California license A124427.
- NPI
- 1396035564NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901129576
- NPI enumeration date
- April 8, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 578-8706
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Yang Li practices at St. Jude Medical Center - Unit in Fullerton, California
Dr. Li's primary practice is St. Jude Medical Center - Unit, at 101 E. Valencia Mesa Drive, Fullerton, CA 92835 in Orange County. The practice phone is (714) 578-8706.
- St. Jude Medical Center - Unit101 E. Valencia Mesa Drive, Fullerton, CA 92835 · Orange CountyPhone(714) 578-8706
Source: Dmand AI Affiliation Data
Dr. Yang Li is affiliated with 3 sites of care and 1 medical group
Dr. Li's primary practice is St. Jude Medical Center - Unit in Fullerton, California. Dr. Li is also affiliated with Providence St. Jude Medical Center. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Li to 1 more hospital, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Yang Li's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Li practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Jude Medical Center - Unit | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Yang 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 licensed 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. Yang Li billed Medicare for 366 services in 2024
CMS data shows 366 Medicare services from Dr. Li across 5 procedure codes in 2024, for 332 Medicare patients. Medicare paid $41,976 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Li's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4762024: 36623%
Dr. Li compared with the California median for internists, 2024
- Dr. Li
- California median
- Medicare services
- 366vs 361Close to median
- Medicare patients
- 332vs 1512.2 times
- Part D claims
- 73vs 42183% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Li's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Li?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Li and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Yang Li treated 332 Medicare patients in 2024, average age 78
CMS counts 332 Medicare patients who saw Dr. Li in 2024. The largest group is 75 to 84, with 125 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.49, 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 73, with 50% women.
Dr. Li's Medicare patients by age, 2024
Dr. Li's Medicare patients by sex, 2024
- Women18455%
- Men14845%
Chronic conditions among Dr. Li's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Heart failure49%
- Chronic kidney disease48%
- Diabetes48%
- Ischemic heart disease46%
- Atrial fibrillation40%
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 73
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Yang Li wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Li wrote 66 Medicare Part D claims for 30 patients. 82% of them were for generic drugs. They cover 5 drugs, with $8,698 in total drug cost. In 2022, CMS named 99 claims across 6 drugs.
Dr. Li's Part D claims by kind of drug, 2024
- Generic54 claims82%
- Brand-name and other12 claims18%
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.
Drug classes CMS tracks in Dr. Li's Part D claims, 2024
- Antibiotics18%12 of 66 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 992023: 7326%
Drugs named by CMS: 5 in 2023, 6 in 2022.
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. Yang 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Yang Li received $256 in industry payments from 2018 to 2025
CMS Open Payments shows 10 general payments to Dr. Li from 5 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. Sumitomo Pharma America, Inc. paid the most, $171.
General payments to Dr. Li by program year, 2018 to 2025
Companies that paid Dr. Li the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Yang 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Yang 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. Yang Li's NPI number?
Dr. Yang Li's NPI number is 1396035564. It was assigned on April 8, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Yang Li?
Dr. Yang Li is an internist in Fullerton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Yang Li practice?
Dr. Li practices at 101 E. Valencia Mesa Drive, Fullerton, CA 92835. Dr. Li's primary practice is St. Jude Medical Center - Unit in Fullerton, California. Dmand AI also links Dr. Li to 1 hospital.
What is Dr. Yang Li's office phone number?
The practice phone on file for Dr. Li is (714) 578-8706.
What is Dr. Yang Li's medical license number?
Dr. Li holds California license A124427.
Which hospitals is Dr. Yang Li affiliated with?
Dr. Li is affiliated with Providence St. Jude Medical Center. Dmand AI links Dr. Li to 2 more hospitals.
What medical group is Dr. Yang Li part of?
Dr. Li is linked to St. Jude Heritage Medical Group.
Does Dr. Yang Li accept Medicare?
Yes. CMS data shows Dr. Li billed Medicare for 366 services in 2024, and Dr. Li accepts Medicare assignment.
How many Medicare patients does Dr. Yang Li see?
CMS counts 332 Medicare patients who saw Dr. Li in 2024, with an average age of 78.
What services does Dr. Yang Li bill to Medicare?
In 2024, Dr. Li's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99222) and hospital inpatient care (99232).
Show 3 more questionsShow fewer questions
What drugs does Dr. Yang Li prescribe most?
In 2023 Medicare Part D data, Dr. Li's most prescribed drugs by claims were Famotidine, Pantoprazole Sodium and Eliquis.
Has Dr. Yang Li received payments from drug or device companies?
CMS Open Payments shows $256 in general payments to Dr. Li from 5 companies from 2018 to 2025. The largest total came from Sumitomo Pharma America, Inc.
How long has Dr. Yang Li been practicing?
Dr. Li graduated from medical school in 2011, 15 years ago.
Selling to internal medicine practices?
See internists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card