Dr. Diego S. Espinoza, MD
- Medicare services, 2024
- 241
- Medicare patients, 2024
- 202
- Part D claims, 2024
- 180
- MIPS score, 2024
- 84
- Hospital affiliations
- 3
- Practice address
- 603 North Progress Avenue, Siloam Springs, AR 72761
- Practice phone
- Call (479) 524-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Espinoza'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.
Dr. Diego S. Espinoza is an emergency medicine physician in Siloam Springs, Arkansas
Dr. Espinoza practices at Freeman Health System - Siloam Springs Medical Center in Siloam Springs, Arkansas, part of Freeman Health System.
Dr. Espinoza's NPI, 1528472289, was assigned on June 19, 2014. Dr. Espinoza graduated from University of Arkansas College of Medicine in 2014. Dr. Espinoza holds Arkansas license E-9792.
- NPI
- 1528472289NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739484114
- NPI enumeration date
- June 19, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (479) 524-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diego S. Espinoza practices at Freeman Health System - Siloam Springs Medical Center in Siloam Springs, Arkansas
Dr. Espinoza's primary practice is Freeman Health System - Siloam Springs Medical Center, at 603 North Progress Avenue, Siloam Springs, AR 72761 in Benton County. The practice phone is (479) 524-4141.
- Freeman Health System - Siloam Springs Medical Center603 North Progress Avenue, Siloam Springs, AR 72761 · Benton CountyPhone(479) 524-4141
Source: Dmand AI Affiliation Data
Dr. Diego S. Espinoza is affiliated with 3 sites of care and 7 medical groups
Dr. Espinoza's primary practice is Freeman Health System - Siloam Springs Medical Center in Siloam Springs, Arkansas, part of Freeman Health System. Dr. Espinoza is also affiliated with Sevier County Medical Center. The medical group on file is Freeman Health Physicians Group. Dmand AI also links Dr. Espinoza to 1 more hospital and 6 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Diego S. Espinoza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Espinoza practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Freeman Health System - Siloam Springs Medical Center | Available with a free account |
| +2 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diego S. Espinoza is one of 403 emergency medicine physicians in Arkansas
Emergency medicine is Dr. Espinoza's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Espinoza's licenses on file in 2 states: Arkansas and Tennessee.
Specialties and state licenses
- Emergency medicine, ArkansasPrimary
- Family medicine, Tennessee
Emergency medicine physicians near Dr. Espinoza
Counts of emergency medicine physicians 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
Dr. Diego S. Espinoza billed Medicare for 241 services in 2024
CMS data shows 241 Medicare services from Dr. Espinoza across 5 procedure codes in 2024, for 202 Medicare patients. Medicare paid $18,749 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Espinoza's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1552024: 19526%
- Tests and treatments
- 2023: 262024: 4677%
Dr. Espinoza compared with the Arkansas median for emergency medicine physicians, 2024
- Dr. Espinoza
- Arkansas median
- Medicare services
- 241vs 41442% below
- Medicare patients
- 202vs 37045% below
- Part D claims
- 87vs 10618% below
Medians across 424 emergency medicine physicians in Arkansas with Dmand AI profiles that report each measure.
Dr. Espinoza's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Espinoza and other emergency medicine physicians in Arkansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diego S. Espinoza treated 202 Medicare patients in 2024, average age 72
CMS counts 202 Medicare patients who saw Dr. Espinoza in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have high blood pressure, and 67% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.53, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Espinoza's median patient age at 66, with 57% women.
Dr. Espinoza's Medicare patients by age, 2024
Dr. Espinoza's Medicare patients by sex, 2024
- Women11557%
- Men8743%
Chronic conditions among Dr. Espinoza's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Arthritis52%
- Ischemic heart disease40%
- Anxiety39%
- Mood disorders37%
- Depression35%
- COPD32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Espinoza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Diego S. Espinoza wrote 180 Medicare Part D claims in 2024
In 2024, Dr. Espinoza wrote 180 Medicare Part D claims for 127 patients. 92% of them were for generic drugs. CMS names the drug for 87 of them, across 4 drugs with 11 or more claims each, at $480 in total drug cost. In 2023, CMS named 97 claims across 7 drugs.
Dr. Espinoza's Part D claims by kind of drug, 2024
- Generic166 claims92%
- Brand-name and other14 claims8%
Dr. Espinoza's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Espinoza's Part D claims, 2024
- Opioids7%13 of 180 claims
- Antibiotics51%91 of 180 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 972024: 8710%
Drugs named by CMS: 4 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Diego S. Espinoza scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Espinoza for performance year 2024, reported as part of a group. Dr. Espinoza accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Espinoza's MIPS scores, performance year 2024
- 84of 100Final score
- 99.8of 100Quality
- 0of 100Improvement Activities
- 79of 100Cost
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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Dr. Diego S. Espinoza received $107 in industry payments from 2023 to 2024
CMS Open Payments shows 2 general payments to Dr. Espinoza from 2 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Dompe US, Inc. paid the most, $93.
General payments to Dr. Espinoza by program year, 2023 to 2024
Companies that paid Dr. Espinoza the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diego S. Espinoza graduated from University of Arkansas College of Medicine
Dr. Espinoza graduated from University of Arkansas College of Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diego S. Espinoza'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)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 Dr. Diego S. Espinoza
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Diego S. Espinoza's NPI number?
Dr. Diego S. Espinoza's NPI number is 1528472289. It was assigned on June 19, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Diego S. Espinoza?
Dr. Diego S. Espinoza is an emergency medicine physician in Siloam Springs, Arkansas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Diego S. Espinoza practice?
Dr. Espinoza practices at 603 North Progress Avenue, Siloam Springs, AR 72761. Dr. Espinoza's primary practice is Freeman Health System - Siloam Springs Medical Center in Siloam Springs, Arkansas, part of Freeman Health System. Dmand AI also links Dr. Espinoza to 1 hospital and 6 medical groups.
What is Dr. Diego S. Espinoza's office phone number?
The practice phone on file for Dr. Espinoza is (479) 524-4141.
What is Dr. Diego S. Espinoza's medical license number?
Dr. Espinoza holds Arkansas license E-9792, one of the licenses on file in 2 states.
Which states has Dr. Diego S. Espinoza been licensed in?
Dmand AI has state licenses on file for Dr. Espinoza in Arkansas and Tennessee.
Which hospitals is Dr. Diego S. Espinoza affiliated with?
Dr. Espinoza practices at Freeman Health System - Siloam Springs Medical Center in Siloam Springs, Arkansas. Dr. Espinoza is also affiliated with Sevier County Medical Center. Dmand AI links Dr. Espinoza to 1 more hospital.
What medical group is Dr. Diego S. Espinoza part of?
Dr. Espinoza is linked to Freeman Health Physicians Group. Dmand AI links Dr. Espinoza to 6 more medical groups.
Does Dr. Diego S. Espinoza accept Medicare?
Yes. CMS data shows Dr. Espinoza billed Medicare for 241 services in 2024, and Dr. Espinoza accepts Medicare assignment.
What is Dr. Diego S. Espinoza's MIPS score?
Dr. Espinoza's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Diego S. Espinoza see?
CMS counts 202 Medicare patients who saw Dr. Espinoza in 2024, with an average age of 72.
What services does Dr. Diego S. Espinoza bill to Medicare?
In 2024, Dr. Espinoza's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. Diego S. Espinoza go to medical school?
Dr. Espinoza graduated from University of Arkansas College of Medicine in 2014.
What drugs does Dr. Diego S. Espinoza prescribe most?
In 2024 Medicare Part D data, Dr. Espinoza's most prescribed drugs by claims were Cephalexin, Prednisone and Azithromycin.
Has Dr. Diego S. Espinoza received payments from drug or device companies?
CMS Open Payments shows $107 in general payments to Dr. Espinoza from 2 companies from 2023 to 2024. The largest total came from Dompe US, Inc.
How long has Dr. Diego S. Espinoza been practicing?
Dr. Espinoza graduated from medical school in 2014, 12 years ago.
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