David Marc Leon, M.D.
Internal Medicine Physician · Lakewood, CO
David Marc Leon, M.D. is an internal medicine physician with a practice address in Lakewood, Colorado, and NPI 1174605737, issued on Oct 20, 2006. Check the license (Colorado 32198, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- David Marc Leon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 32198 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1805 Kipling St., Lakewood, CO 80215
- Phone
- (303) 231-9700
- Enumerated
- Oct 20, 2006
- Record last updated
- Dec 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101201000892); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1988
- 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 1805 Kipling St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aubrey Dobbs, M.D.Internal Medicine Physician1316007826
- Bridget Forsmark, P.A.-C.Medical Physician Assistant1891021945
- Joanne Ruch, M.D.Internal Medicine Physician1659447787
- Susan Schiff, M.D.Internal Medicine Physician1386710424
Verify David Marc Leon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 32198Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,107 Medicare Part D claims for 229 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 58 claims were for opioids.
Most prescribed
- Atorvastatin Calcium141 claims
- Levothyroxine Sodium140 claims
- Amlodipine Besylate106 claims
- Olmesartan Medoxomil94 claims
- Simvastatin84 claims
- Metoprolol Tartrate74 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: $1,204.43
22 payments; by number, the most common kind was food and beverage; the largest payer was TransMedics, Inc. 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.
David Marc Leon among 2,046 internal medicine physician records in Colorado
David Marc Leon, 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 fileYes · 53% of these records are
- Graduated1988 · median 2006 among the 1,090 with a school on file
- Record last updated2016 · 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).
73 internal medicine physician records list a practice address in Lakewood
They are 73 of the 4,944 NPPES records with a practice address in Lakewood, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Lakewood → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Aubrey Dobbs, M.D.Lakewood, CO 802151316007826
- H Pickett, MDLakewood, CO 802151902964075
- Joanne Ruch, M.D.Lakewood, CO 802151659447787
- Susan Schiff, M.D.Lakewood, CO 802151386710424
- Vernon Smith, MDLakewood, CO 802151144294638
- Jason Barmore, MDLakewood, CO 802141902933948
- Hai Bui, MDLakewood, CO 802141316965536
- Ashley WoodworthLakewood, CO 802141962964221
Common questions
What is David Marc Leon, M.D.'s NPI number?
David Marc Leon, M.D.'s National Provider Identifier (NPI) is 1174605737, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Marc Leon, M.D. located?
The NPPES record lists a practice address at 1805 Kipling St., Lakewood, CO, 80215. Phone: (303) 231-9700. Providers update this record themselves, so call before visiting.
How can I verify David Marc Leon, M.D.'s license?
NPPES lists Colorado license number 32198, 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 David Marc Leon, M.D. prescribe under Medicare Part D?
In 2024, David Marc Leon, M.D. had 3,107 Medicare Part D claims for 229 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.