Derek Dennis Diaz, PA-C
Medical Physician Assistant · Grand Junction, CO
Derek Dennis Diaz, PA-C is a medical physician assistant with a practice address in Grand Junction, Colorado, and NPI 1780952614, issued on Dec 6, 2011. Check the license (Colorado 4748, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek Dennis Diaz
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 4748 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2333 N 6TH St, Grand Junction, CO 81501
- Phone
- (970) 298-1782
- Enumerated
- Dec 6, 2011
- Record last updated
- May 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (970) 692-8301
- Medicaid ID
- 9000143760 CO
- Medicare enrollment
- Enrolled (PECOS I20170105000088); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2333 N 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Derek Dennis Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 4748Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average medical physician assistant in 2024
194 Medicare Part D claims for 100 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 67 claims were for opioids.
Most prescribed
- Oxycodone Hcl42 claims
- Methocarbamol35 claims
- Diazepam23 claims
- Hydrocodone-Acetaminophen17 claims
- Levetiracetam15 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: $65.00
1 payment: food and beverage; the largest payer was Chiesi USA, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Bills Medicare through one group practice
- Intermountain Medical Group Grand Junction, LLCGrand Junction, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Medical Physician Assistant providers in Colorado
There are 1,308 medical physician assistant records in Colorado.
Other medical physician assistant records in Colorado
- Jennifer Abraham, PA-CFort Collins, CO1194121657
- Timothy Adair, PADenver, CO1356485072
- Whitney Adair, MPAS, PA-CAurora, CO1972996890
- Ashley Adams, PA-CGlenwood Springs, CO1982258190
- Bryan Adams, PAAurora, CO1386225662
- Meagan Adams, PA-CAurora, CO1104532241
- Timothy Ahearne, PA-CAurora, CO1396148151
- Amy Akerman, PA-CAurora, CO1922326024
- Brooke Albert, PA-CGolden, CO1932622719
- Marcy Albert, PA-CDenver, CO1497177794
Common questions
What is Derek Dennis Diaz, PA-C's NPI number?
Derek Dennis Diaz, PA-C's National Provider Identifier (NPI) is 1780952614, issued on Dec 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Derek Dennis Diaz, PA-C located?
The NPPES record lists a practice address at 2333 N 6TH St, Grand Junction, CO, 81501. Phone: (970) 298-1782. Providers update this record themselves, so call before visiting.
How can I verify Derek Dennis Diaz, PA-C's license?
NPPES lists Colorado license number 4748, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does Derek Dennis Diaz, PA-C prescribe under Medicare Part D?
In 2024, Derek Dennis Diaz, PA-C had 194 Medicare Part D claims for 100 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.