Dr. Tianyi Li, DO
- Medicare services, 2024
- 111
- Medicare patients, 2024
- 120
- Part D claims, 2024
- 2,367
- Hospital affiliations
- 3
- Medical groups
- 3
- Practice address
- 41 & 45 Mall Road, Burlington, MA 01803
- Practice phone
- Call (781) 744-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Tianyi Li is an internist in Burlington, Massachusetts
Dr. Li practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.
Dr. Li's NPI, 1740629161, was assigned on June 19, 2013. Dr. Li holds Massachusetts license 279330.
- NPI
- 1740629161NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042599805
- NPI enumeration date
- June 19, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (781) 744-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tianyi Li practices at Lahey Clinic in Burlington, Massachusetts
Dr. Li's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.
- Lahey Clinic41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100
Source: Dmand AI Affiliation Data
Dr. Tianyi Li is affiliated with 6 sites of care and 3 medical groups
Dr. Li's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dr. Li is also affiliated with Massachusetts General Hospital. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Li to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tianyi Li's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Li practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lahey Clinic | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tianyi Li is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Li's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Li is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
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. Tianyi Li billed Medicare for 111 services in 2024
CMS data shows 111 Medicare services from Dr. Li across 3 procedure codes in 2024, for 120 Medicare patients. Medicare paid $5,562 for them.
Dr. Li's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4102024: 9178%
- Other services
- 2023: 342024: 2041%
Where Dr. Li's Medicare services took place, 2024
- In an office5146%
- In a facility6054%
Dr. Li compared with the Massachusetts median for internists, 2024
- Dr. Li
- Massachusetts median
- Medicare services
- 111vs 43174% below
- Medicare patients
- 120vs 19438% below
- Part D claims
- 1,907vs 4024.7 times
Medians across 5,369 internists in Massachusetts 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tianyi Li treated 120 Medicare patients in 2024, average age 77
CMS counts 120 Medicare patients who saw Dr. Li in 2024. The largest group is 75 to 84, with 48 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Li's median patient age at 58, with 60% women.
Dr. Li's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Li's Medicare patients by sex, 2024
- Women7563%
- Men4538%
Chronic conditions among Dr. Li's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis47%
- Anxiety33%
- Diabetes30%
- Chronic kidney disease28%
- Ischemic heart disease26%
- Mood disorders26%
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 58
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tianyi Li wrote 2,367 Medicare Part D claims in 2024
In 2024, Dr. Li wrote 2,367 Medicare Part D claims for 540 patients. 91% of them were for generic drugs. CMS names the drug for 1,907 of them, across 41 drugs with 11 or more claims each, at $89,036 in total drug cost. In 2023, CMS named 3,898 claims across 78 drugs.
Dr. Li's Part D claims by kind of drug, 2024
- Generic2,156 claims91%
- Brand-name and other211 claims9%
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
- Opioids1%20 of 2,367 claims
- Antibiotics1%15 of 2,367 claims
- Antipsychotics, patients 65 and over1%17 of 2,367 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: 3,8982024: 1,90751%
Drugs named by CMS: 41 in 2024, 78 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
Dr. Tianyi Li offers telehealth to Medicare patients
Dr. Li accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Li as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Tianyi 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 DataDmand AI Org Hierarchy 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) |
| 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. Tianyi 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. Tianyi Li's NPI number?
Dr. Tianyi Li's NPI number is 1740629161. It was assigned on June 19, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Tianyi Li?
Dr. Tianyi Li is an internist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tianyi Li practice?
Dr. Li practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Li's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Li to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Tianyi Li's office phone number?
The practice phone on file for Dr. Li is (781) 744-5100.
What is Dr. Tianyi Li's medical license number?
Dr. Li holds Massachusetts license 279330.
Which hospitals is Dr. Tianyi Li affiliated with?
Dr. Li practices at Lahey Clinic in Burlington, Massachusetts. Dr. Li is also affiliated with Massachusetts General Hospital. Dmand AI links Dr. Li to 1 more hospital.
What medical group is Dr. Tianyi Li part of?
Dr. Li is linked to Lahey Clinic. Dmand AI links Dr. Li to 2 more medical groups.
Does Dr. Tianyi Li accept Medicare?
Yes. CMS data shows Dr. Li billed Medicare for 111 services in 2024, and Dr. Li accepts Medicare assignment.
Does Dr. Tianyi Li offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Li as offering telehealth services.
How many Medicare patients does Dr. Tianyi Li see?
CMS counts 120 Medicare patients who saw Dr. Li in 2024, with an average age of 77.
Show 3 more questionsShow fewer questions
What services does Dr. Tianyi Li bill to Medicare?
In 2024, Dr. Li's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
What drugs does Dr. Tianyi Li prescribe most?
In 2024 Medicare Part D data, Dr. Li's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
How long has Dr. Tianyi Li been practicing?
Dr. Li graduated from medical school in 2013, 13 years ago.
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