Mackenzie Leigh Whitesell Garcia, MD
Internal Medicine Physician · Denver, CO
Mackenzie Leigh Whitesell Garcia, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1104402080, issued on Mar 22, 2021. Check the license (Colorado DR.0075015, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mackenzie Leigh Whitesell Garcia
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0075015 CO
Self-reported in NPPES; status is on the state search - Practice location
- 301 W 6TH Ave, Denver, CO 80204
- Phone
- (303) 436-6000
- Enumerated
- Mar 22, 2021
- Record last updated
- Jul 6, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
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Verify Mackenzie Leigh Whitesell Garcia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0075015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
407 Medicare Part D claims for 100 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate23 claims
- Gabapentin17 claims
- Atorvastatin Calcium15 claims
- Albuterol Sulfate Hfa13 claims
- Omeprazole12 claims
- Ozempic12 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.
Mackenzie Leigh Whitesell Garcia among 2,046 internal medicine physician records in Colorado
Mackenzie Leigh Whitesell Garcia, 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 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2026 · 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
- Irene Aguilar, MDDenver, CO 802041790710317
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- David Brody, MDDenver, CO 802041497783914
- Cynthia Crews, MDDenver, CO 802041851315931
- Peter Crum, MDDenver, CO 802041457372351
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- Rebecca Hanratty, MDDenver, CO 802041649294307
Common questions
What is Mackenzie Leigh Whitesell Garcia, MD's NPI number?
Mackenzie Leigh Whitesell Garcia, MD's National Provider Identifier (NPI) is 1104402080, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mackenzie Leigh Whitesell Garcia, MD located?
The NPPES record lists a practice address at 301 W 6TH Ave, Denver, CO, 80204. Phone: (303) 436-6000. Providers update this record themselves, so call before visiting.
How can I verify Mackenzie Leigh Whitesell Garcia, MD's license?
NPPES lists Colorado license number DR.0075015, 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 Mackenzie Leigh Whitesell Garcia, MD prescribe under Medicare Part D?
In 2024, Mackenzie Leigh Whitesell Garcia, MD had 407 Medicare Part D claims for 100 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.