David Tanaka, MD
Internal Medicine Physician · Denver, CO
David Tanaka, MD is an internal medicine physician with a practice address in Denver, Colorado, and NPI 1386722643, issued on Nov 2, 2006. Check the license (Colorado DR.0026566, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- David Tanaka
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0026566 CO
Self-reported in NPPES; status is on the state search - Practice location
- 8111 E Lowry Blvd, Denver, CO 80230
- Phone
- (720) 848-9500
- Enumerated
- Nov 2, 2006
- Record last updated
- May 1, 2026
- Medicare enrollment
- Enrolled (PECOS I20040714000025); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1983
- 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 8111 E Lowry Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Tanaka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license DR.0026566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average internal medicine physician in 2024
4,129 Medicare Part D claims for 589 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 176 claims were for opioids.
Most prescribed
- Atorvastatin Calcium389 claims
- Omeprazole181 claims
- Lisinopril161 claims
- Amlodipine Besylate153 claims
- Levothyroxine Sodium142 claims
- Rosuvastatin Calcium134 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
- University Physicians IncorporatedAurora, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Tanaka among 2,046 internal medicine physician records in Colorado
David Tanaka, 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 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
- Graduated1983 · median 2006 among the 1,090 with a school on file
- 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
- Tyra Fainstad, M.D.Denver, CO 802301972802429
- Barr FormanDenver, CO 802301114220944
- Samuel Fountain, MDDenver, CO 802301609456961
- Barry Hochstadt, M.D.Denver, CO 802301225061898
- Emily Jones, M.D.Denver, CO 802301003063140
- David Lowry, M.D.Denver, CO 802301376999672
- Amanda Lucier, MDDenver, CO 802301518594233
- Jennifer McBride, MDDenver, CO 802301982642997
Common questions
What is David Tanaka, MD's NPI number?
David Tanaka, MD's National Provider Identifier (NPI) is 1386722643, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Tanaka, MD located?
The NPPES record lists a practice address at 8111 E Lowry Blvd, Denver, CO, 80230. Phone: (720) 848-9500. Providers update this record themselves, so call before visiting.
How can I verify David Tanaka, MD's license?
NPPES lists Colorado license number DR.0026566, 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 Tanaka, MD prescribe under Medicare Part D?
In 2024, David Tanaka, MD had 4,129 Medicare Part D claims for 589 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.