Eugene Matthew Tan, MD
Internal Medicine Physician · Wheat Ridge, CO
Eugene Matthew Tan, MD is an internal medicine physician with a practice address in Wheat Ridge, Colorado, and NPI 1962848663, issued on May 21, 2013. Check the license (Colorado DR.0065425, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Eugene Matthew Tan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- DR.0065425 CO
59810 AZ
58237 MN
0101271098 VA
Self-reported in NPPES; status is on the state search - Practice location
- 4803 Ward RD, Wheat Ridge, CO 80033
- Phone
- (303) 338-4545
- Enumerated
- May 21, 2013
- Record last updated
- Jan 10, 2023
- Medicaid ID
- 9000195031 CO
- Medicare enrollment
- Enrolled (PECOS I20210728000948); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Stony Brook, School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,046 in Colorado → Look up another NPI →
Also registered at 4803 Ward RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Abraham, MS, RDRegistered Dietitian1124458179
- Sharon AdamskiNurse's Aide1083758866
- Hope Aguilera, LCSWClinical Social Worker1790148013
- Linda Arens, LPNLicensed Practical Nurse1164630307
- Valerie Bain, MDFamily Medicine Physician1659690311
- Robert Barton, PAPhysician Assistant1982731931
Verify Eugene Matthew Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0065425Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average internal medicine physician in 2024
3,979 Medicare Part D claims for 630 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 102 claims were for opioids.
Most prescribed
- Atorvastatin Calcium248 claims
- Levothyroxine Sodium186 claims
- Duloxetine Hcl153 claims
- Lisinopril149 claims
- Amlodipine Besylate133 claims
- Rosuvastatin Calcium128 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.
Bills Medicare through one group practice
- Colorado Permanente Medical Group PCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eugene Matthew Tan among 2,046 internal medicine physician records in Colorado
Eugene Matthew Tan, 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 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2013 · median 2006 among the 1,090 with a school on file
- Record last updated2023 · 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).
35 internal medicine physician records list a practice address in Wheat Ridge
They are 35 of the 2,472 NPPES records with a practice address in Wheat Ridge, and 2,046 internal medicine physician records in Colorado.
All 2,046 in Colorado → Every provider in Wheat Ridge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Linda Blust, MDWheat Ridge, CO 800331073568622
- Maureen Boehm, MDWheat Ridge, CO 800331306818729
- Theodore Buttrick, MDWheat Ridge, CO 800331548214547
- Stanton Elzi, MDWheat Ridge, CO 800331417035502
- Gerard Federico, DOWheat Ridge, CO 800331598838377
- Debra Friesen, M.D.Wheat Ridge, CO 800331962409318
- Tahl Humes, DOWheat Ridge, CO 800331255345914
- Wendy Kalish, MDWheat Ridge, CO 800331861401150
Common questions
What is Eugene Matthew Tan, MD's NPI number?
Eugene Matthew Tan, MD's National Provider Identifier (NPI) is 1962848663, issued on May 21, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Eugene Matthew Tan, MD located?
The NPPES record lists a practice address at 4803 Ward RD, Wheat Ridge, CO, 80033. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Eugene Matthew Tan, MD's license?
NPPES lists Colorado license number DR.0065425, 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 Eugene Matthew Tan, MD prescribe under Medicare Part D?
In 2024, Eugene Matthew Tan, MD had 3,979 Medicare Part D claims for 630 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.