Dr. Billy Li, MD
- Medicare services, 2024
- 387
- Medicare patients, 2024
- 43
- Part D claims, 2024
- 8,203
- Industry payments
- $345
- Affiliated sites
- 2
- Practice address
- 15 Division St, New York, NY 10002-6710
- Practice phone
- Call (212) 966-7493
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Division Healthcare MD PC
Physician office · New York, New York
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. Billy Li is an internist in New York, New York
Dr. Li practices at Division Healthcare MD PC in New York, New York.
Dr. Li's NPI, 1659368223, was assigned on September 29, 2005. Dr. Li holds New York license 230574.
- NPI
- 1659368223NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406849785
- NPI enumeration date
- September 29, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 966-7493
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Billy Li practices at Division Healthcare MD PC in New York, New York
Dr. Li's primary practice is Division Healthcare MD PC, at 15 Division St, New York, NY 10002-6710. The practice phone is (212) 966-7493.
- Division Healthcare MD PC15 Division St, New York, NY 10002-6710Phone(212) 966-7493
Source: Dmand AI Affiliation Data
Dr. Billy Li is affiliated with 2 sites of care
Dr. Li's primary practice is Division Healthcare MD PC in New York, New York. Dmand AI also links Dr. Li to 1 physician office, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Billy Li's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Li practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Division Healthcare MD PC | 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. Billy Li is one of 9,643 internists in New York
Internal medicine is Dr. Li's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Li is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
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. Billy Li billed Medicare for 387 services in 2024
CMS data shows 387 Medicare services from Dr. Li across 7 procedure codes in 2024, for 43 Medicare patients. Medicare paid $25,199 for them. Every service was in an office.
Dr. Li's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2092024: 29340%
- Tests and treatments
- 2023: 312024: 4339%
- Surgery
- 2023: 432024: 3714%
- Other services
- 2023: 162024: 1413%
Dr. Li compared with the New York median for internists, 2024
- Dr. Li
- New York median
- Medicare services
- 387vs 4269% below
- Medicare patients
- 43vs 15873% below
- Part D claims
- 7,708vs 62212.4 times
Medians across 9,428 internists in New York 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Li and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Billy Li treated 43 Medicare patients in 2024, average age 72
CMS counts 43 Medicare patients who saw Dr. Li in 2024. The largest group is 65 to 74, with 22 patients. 72% of them have high cholesterol, and 63% have high blood pressure. 65% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Li's median patient age at 69, with 52% 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
- Women2353%
- Men2047%
Chronic conditions among Dr. Li's Medicare patients, 2024
- High cholesterol72%
- High blood pressure63%
- Diabetes30%
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 69
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Billy Li wrote 8,203 Medicare Part D claims in 2024
In 2024, Dr. Li wrote 8,203 Medicare Part D claims for 289 patients. 92% of them were for generic drugs. CMS names the drug for 7,708 of them, across 107 drugs with 11 or more claims each, at $422,902 in total drug cost. In 2023, CMS named 6,696 claims across 105 drugs.
Dr. Li's Part D claims by kind of drug, 2024
- Generic7,546 claims92%
- Brand-name592 claims7%
- Other65 claims1%
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%46 of 8,203 claims
- Antibiotics3%237 of 8,203 claims
- Antipsychotics, patients 65 and over2%131 of 8,203 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: 6,6962024: 7,70815%
Drugs named by CMS: 107 in 2024, 105 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. Billy 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. Billy Li received $345 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. Li from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. AstraZeneca Pharmaceuticals LP paid the most, $137.
General payments to Dr. Li by program year, 2016 to 2025
General payments to Dr. Li by kind, 2016 to 2025
- Food and beverage$33798%
- Education$82%
Companies that paid Dr. Li the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Billy 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. Billy 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. Billy Li's NPI number?
Dr. Billy Li's NPI number is 1659368223. It was assigned on September 29, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Billy Li?
Dr. Billy Li is an internist in New York, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Billy Li practice?
Dr. Li practices at 15 Division St, New York, NY 10002-6710. Dr. Li's primary practice is Division Healthcare MD PC in New York, New York. Dmand AI also links Dr. Li to 1 physician office.
What is Dr. Billy Li's office phone number?
The practice phone on file for Dr. Li is (212) 966-7493.
What is Dr. Billy Li's medical license number?
Dr. Li holds New York license 230574.
Does Dr. Billy Li accept Medicare?
Yes. CMS data shows Dr. Li billed Medicare for 387 services in 2024, and Dr. Li accepts Medicare assignment.
How many Medicare patients does Dr. Billy Li see?
CMS counts 43 Medicare patients who saw Dr. Li in 2024, with an average age of 72.
What services does Dr. Billy Li bill to Medicare?
In 2024, Dr. Li's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and surgery: heart and blood vessels (36410).
What drugs does Dr. Billy Li prescribe most?
In 2024 Medicare Part D data, Dr. Li's most prescribed drugs by claims were Atorvastatin Calcium, Alendronate Sodium and Amlodipine Besylate.
Has Dr. Billy Li received payments from drug or device companies?
CMS Open Payments shows $345 in general payments to Dr. Li from 5 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Billy Li been practicing?
Dr. Li graduated from medical school in 1999, 27 years ago.
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