Diego A. Arenas, PA-C
- Medicare patients, 2024
- 332
- Part D claims, 2024
- 234
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Industry payments
- $125
- Practice address
- 251 E Huron St, Chicago, IL 60611
- Practice phone
- Call (312) 926-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Diego Arenas' 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.
Diego A. Arenas is a physician assistant in Chicago, Illinois
Diego Arenas practices at Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare.
Diego Arenas' NPI, 1659023364, was assigned on January 24, 2022. Diego Arenas graduated from Northwestern University Feinberg Medical School in 2023. Diego Arenas holds Illinois license 085009840.
- NPI
- 1659023364NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204280407
- NPI enumeration date
- January 24, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 926-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Diego A. Arenas practices at Northwestern Memorial Hospital in Chicago, Illinois
Diego Arenas' primary practice is Northwestern Memorial Hospital, at 251 E Huron St, Chicago, IL 60611 in Cook County. The practice phone is (312) 926-2000.
- Northwestern Memorial Hospital251 E Huron St, Chicago, IL 60611 · Cook CountyPhone(312) 926-2000
Source: Dmand AI Affiliation Data
Diego A. Arenas is affiliated with 2 sites of care and 1 medical group
Diego Arenas' primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Diego Arenas to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Diego A. Arenas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diego Arenas practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Memorial Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Diego A. Arenas is one of 4,299 physician assistants in Illinois
Physician assistant is Diego Arenas' primary specialty in the NPI Registry, under taxonomy code 363A00000X. Diego Arenas is licensed in Illinois.
Specialties and state licenses
- Physician assistant, IllinoisPrimary
Physician assistants near Diego Arenas
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
Diego A. Arenas treated 332 Medicare patients in 2024, average age 76
CMS counts 332 Medicare patients who saw Diego Arenas in 2024. The largest group is 75 to 84, with 135 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Diego Arenas' median patient age at 69, with 40% women.
Diego Arenas' Medicare patients by age, 2024
Diego Arenas' Medicare patients by sex, 2024
- Women21765%
- Men11535%
Chronic conditions among Diego Arenas' Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis54%
- Ischemic heart disease30%
- Anxiety27%
- Osteoporosis26%
- Mood disorders25%
- Cancer23%
Share of Medicare patients with each condition. A patient can have several.
Diego Arenas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Diego A. Arenas wrote 234 Medicare Part D claims in 2024
In 2024, Diego Arenas wrote 234 Medicare Part D claims for 163 patients. 90% of them were for generic drugs.
Diego Arenas' Part D claims by kind of drug, 2024
- Generic211 claims90%
- Brand-name and other23 claims10%
Drug classes CMS tracks in Diego Arenas' Part D claims, 2024
- Antibiotics44%102 of 234 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
Diego A. Arenas scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Diego Arenas for performance year 2024, reported through an alternative payment model (APM). Diego Arenas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Diego Arenas' MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Diego A. Arenas received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Diego Arenas from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Incyte Corporation paid the most, $125.
Companies that paid Diego Arenas the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Diego A. Arenas graduated from Northwestern University Feinberg Medical School
Diego Arenas graduated from Northwestern University Feinberg Medical School in 2023.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Diego A. Arenas'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Diego A. Arenas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Diego A. Arenas' NPI number?
Diego A. Arenas' NPI number is 1659023364. It was assigned on January 24, 2022, and it is active in the NPI Registry.
What does Diego A. Arenas specialize in?
Diego A. Arenas is a physician assistant in Chicago, Illinois. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Diego A. Arenas practice?
Diego Arenas practices at 251 E Huron St, Chicago, IL 60611. Diego Arenas' primary practice is Northwestern Memorial Hospital in Chicago, Illinois, part of Northwestern Memorial HealthCare. Dmand AI also links Diego Arenas to 1 group practice or clinic.
What is Diego A. Arenas' office phone number?
The practice phone on file for Diego Arenas is (312) 926-2000.
What is Diego A. Arenas' medical license number?
Diego Arenas holds Illinois license 085009840.
Which hospitals is Diego A. Arenas affiliated with?
Diego Arenas practices at Northwestern Memorial Hospital in Chicago, Illinois.
What medical group is Diego A. Arenas part of?
Diego Arenas is linked to Northwestern Medical Faculty Foundation.
Does Diego A. Arenas accept Medicare?
Yes. CMS lists Diego Arenas as accepting Medicare assignment.
What is Diego A. Arenas' MIPS score?
Diego Arenas' MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Diego A. Arenas see?
CMS counts 332 Medicare patients who saw Diego Arenas in 2024, with an average age of 76.
Show 3 more questionsShow fewer questions
Where did Diego A. Arenas go to medical school?
Diego Arenas graduated from Northwestern University Feinberg Medical School in 2023.
Has Diego A. Arenas received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Diego Arenas from 1 company from 2025 to 2025. The largest total came from Incyte Corporation.
How long has Diego A. Arenas been practicing?
Diego Arenas graduated from medical school in 2023, 3 years ago.
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