Derek Dennis Diaz, PA-C
- Medicare patients, 2024
- 131
- Part D claims, 2024
- 194
- Hospital affiliations
- 2
- Industry payments
- $91
- Medical groups
- 2
- Practice address
- 750 Wellington Ave, Grand Junction, CO 81501
- Practice phone
- Call (970) 298-2273
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Intermountain Medical Group Grand Junction
Grand Junction, Colorado
Find Derek Diaz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Derek Dennis Diaz is a physician assistant in Grand Junction, Colorado
Derek Diaz practices at Intermountain Medical Group Grand Junction in Grand Junction, Colorado.
Derek Diaz's NPI, 1780952614, was assigned on December 6, 2011. Derek Diaz holds Colorado license 4748.
- NPI
- 1780952614NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466670310
- NPI enumeration date
- December 6, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (970) 298-2273
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Derek Dennis Diaz practices at Intermountain Medical Group Grand Junction in Grand Junction, Colorado
Derek Diaz's primary practice is Intermountain Medical Group Grand Junction, at 750 Wellington Ave, Grand Junction, CO 81501 in Mesa County. The practice phone is (970) 298-2273.
- Intermountain Medical Group Grand Junction750 Wellington Ave, Grand Junction, CO 81501 · Mesa CountyPhone(970) 298-2273
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Derek Dennis Diaz is affiliated with 4 sites of care and 2 medical groups
Derek Diaz's primary practice is Intermountain Medical Group Grand Junction in Grand Junction, Colorado. Derek Diaz is also affiliated with St. Mary's Regional Hospital. The medical group on file is Grand Junction Palliative Care. Dmand AI also links Derek Diaz to 1 more hospital, 1 community health center and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Derek Dennis Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Derek Diaz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Intermountain Medical Group Grand Junction | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Derek Dennis Diaz is one of 1,042 physician assistants in Colorado
Medical is Derek Diaz's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Derek Diaz is licensed in Colorado.
Specialties and state licenses
- Medical physician assistant, ColoradoPrimary
Physician assistants near Derek Diaz
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Derek Dennis Diaz treated 131 Medicare patients in 2024, average age 76
CMS counts 131 Medicare patients who saw Derek Diaz in 2024. The largest group is 75 to 84, with 56 patients. 75% of them have high blood pressure, and 69% have arthritis. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Derek Diaz's median patient age at 75, with 43% women.
Derek Diaz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Derek Diaz's Medicare patients by sex, 2024
- Women6751%
- Men6449%
Chronic conditions among Derek Diaz's Medicare patients, 2024
- High blood pressure75%
- Arthritis69%
- High cholesterol63%
- Stroke or TIA37%
- Atrial fibrillation34%
- Mood disorders31%
- Depression29%
- Ischemic heart disease28%
Share of Medicare patients with each condition. A patient can have several.
Derek Diaz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Derek Dennis Diaz wrote 194 Medicare Part D claims in 2024
In 2024, Derek Diaz wrote 194 Medicare Part D claims for 100 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Derek Diaz's Part D claims, 2024
- Opioids35%67 of 194 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Derek Dennis Diaz offers telehealth to Medicare patients
Derek Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Derek Diaz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Derek Dennis Diaz received $91 in industry payments in 2025
CMS Open Payments shows 1 general payment to Derek Diaz from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medical Device Business Services, Inc. paid the most, $91.
Companies that paid Derek Diaz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Derek Dennis Diaz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Derek Dennis Diaz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Derek Dennis Diaz's NPI number?
Derek Dennis Diaz's NPI number is 1780952614. It was assigned on December 6, 2011, and it is active in the NPI Registry.
What does Derek Dennis Diaz specialize in?
Derek Dennis Diaz is a physician assistant in Grand Junction, Colorado. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Derek Dennis Diaz practice?
Derek Diaz practices at 750 Wellington Ave, Grand Junction, CO 81501. Derek Diaz's primary practice is Intermountain Medical Group Grand Junction in Grand Junction, Colorado. Dmand AI also links Derek Diaz to 1 hospital, 1 community health center and 1 medical group.
What is Derek Dennis Diaz's office phone number?
The practice phone on file for Derek Diaz is (970) 298-2273.
What is Derek Dennis Diaz's medical license number?
Derek Diaz holds Colorado license 4748.
Which hospitals is Derek Dennis Diaz affiliated with?
Derek Diaz is affiliated with St. Mary's Regional Hospital. Dmand AI links Derek Diaz to 1 more hospital.
What medical group is Derek Dennis Diaz part of?
Derek Diaz is linked to Grand Junction Palliative Care. Dmand AI links Derek Diaz to 1 more medical group.
Does Derek Dennis Diaz accept Medicare?
Yes. CMS lists Derek Diaz as accepting Medicare assignment.
Does Derek Dennis Diaz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Derek Diaz as offering telehealth services.
How many Medicare patients does Derek Dennis Diaz see?
CMS counts 131 Medicare patients who saw Derek Diaz in 2024, with an average age of 76.
Has Derek Dennis Diaz received payments from drug or device companies?
CMS Open Payments shows $91 in general payments to Derek Diaz from 1 company from 2025 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Derek Dennis Diaz been practicing?
Derek Diaz graduated from medical school in 2009, 17 years ago.
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