Todd Duane Larson, M.D.
Internal Medicine Physician · Highlands Ranch, CO
Todd Duane Larson, M.D. is an internal medicine physician with a practice address in Highlands Ranch, Colorado, and NPI 1316958051, issued on Aug 10, 2006. Check the license (Colorado 49540, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Todd Duane Larson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 49540 CO
MD00035391 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9285 Hepburn St, Highlands Ranch, CO 80129
- Phone
- (303) 338-4545
- Enumerated
- Aug 10, 2006
- Record last updated
- May 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 8211799 WA
78486572 CO - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 9285 Hepburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melanie Bonin, M.D.Family Medicine Physician1497163265
- Sarah Boyer, MDFamily Medicine Physician1285761163
Verify Todd Duane Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 49540Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,157 Medicare Part D claims for 368 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium131 claims
- Omeprazole56 claims
- Levothyroxine Sodium53 claims
- Tamsulosin Hcl47 claims
- Lisinopril45 claims
- Pradaxa45 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.
Todd Duane Larson among 2,046 internal medicine physician records in Colorado
Todd Duane Larson, M.D. 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2021 · 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).
27 internal medicine physician records list a practice address in Highlands Ranch
They are 27 of the 1,361 NPPES records with a practice address in Highlands Ranch, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Highlands Ranch → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Aikin, MDHighlands Ranch, CO 801291770588402
- Deborah BeasleyHighlands Ranch, CO 801291144369547
- Ellen Burkett, MDHighlands Ranch, CO 801291659334118
- Brownie Flesche, M.D.Highlands Ranch, CO 801291184768954
- Katy HoxworthHighlands Ranch, CO 801291164566873
- Joseph Ladika, MDHighlands Ranch, CO 801291477534154
- Jonathan Lee, M DHighlands Ranch, CO 801291235128562
- Dawn Newell, M.D.Highlands Ranch, CO 801291629105648
Common questions
What is Todd Duane Larson, M.D.'s NPI number?
Todd Duane Larson, M.D.'s National Provider Identifier (NPI) is 1316958051, issued on Aug 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Todd Duane Larson, M.D. located?
The NPPES record lists a practice address at 9285 Hepburn St, Highlands Ranch, CO, 80129. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Todd Duane Larson, M.D.'s license?
NPPES lists Colorado license number 49540, 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 Todd Duane Larson, M.D. prescribe under Medicare Part D?
In 2024, Todd Duane Larson, M.D. had 1,157 Medicare Part D claims for 368 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.