Thomas Li, MD
Internal Medicine Physician · Denver, CO
Thomas Li, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1023005576, issued on Sep 30, 2005. Check the license (Colorado 43648, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Li
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 43648 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4500 E 9TH Ave Ste 540, Denver, CO 80220
- Phone
- (303) 329-8998
- Enumerated
- Sep 30, 2005
- Record last updated
- Jan 27, 2022
- Fax
- (303) 388-1865
- Medicaid ID
- 49086251 CO
- Medicare enrollment
- Enrolled (PECOS I20050812000503); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 4500 E 9TH Ave Ste 540
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tonya Powers, RN, APN, CNSRegistered Nurse1003678590
- Katelyn UhlemannPhysician Assistant1144628223
Verify Thomas Li in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 43648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average internal medicine physician in 2024
5,242 Medicare Part D claims for 445 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium494 claims
- Atorvastatin Calcium480 claims
- Levothyroxine Sodium413 claims
- Losartan Potassium217 claims
- Metformin Hcl Er132 claims
- Amlodipine Besylate124 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $928.58
49 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Healthone Clinic Services - Primary Care LLCDenver, CO
- Legacy Healthcare Services IncDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Li among 2,046 internal medicine physician records in Colorado
Thomas Li, MD is one of 2,046 internal medicine physician records with a practice address in Colorado. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2002 · median 2006 among the 1,090 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
493 internal medicine physician records list a practice address in Denver
They are 493 of the 25,068 NPPES records with a practice address in Denver, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Denver → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Jennifer Gaudiani, MDDenver, CO 802201831172063
- Ravi Gopal, M.D.Denver, CO 802201376517342
- Stanley Kerstein, MDDenver, CO 802201750325650
- Connor McBryde, M.D.Denver, CO 802201760459275
- Michael Metros, MDDenver, CO 802201134186646
- Thomas Meyer, MDDenver, CO 802201740245406
Common questions
What is Thomas Li, MD's NPI number?
Thomas Li, MD's National Provider Identifier (NPI) is 1023005576, issued on Sep 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Li, MD located?
The NPPES record lists a practice address at 4500 E 9TH Ave Ste 540, Denver, CO, 80220. Phone: (303) 329-8998. Providers update this record themselves, so call before visiting.
How can I verify Thomas Li, MD's license?
NPPES lists Colorado license number 43648, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Li, MD prescribe under Medicare Part D?
In 2024, Thomas Li, MD had 5,242 Medicare Part D claims for 445 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.