Dr. Aaron D. Simms, MD
- Medicare services, 2024
- 273
- Medicare patients, 2024
- 149
- Part D claims, 2024
- 120
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 3333 N Foster Maldonado Blvd, Eagle Pass, TX 78852
- Practice phone
- Call (830) 773-5321
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Aaron D. Simms is an internist in Eagle Pass, Texas
Dr. Simms practices at Fort Duncan Regional Medical Center in Eagle Pass, Texas, part of Universal Health Services.
Dr. Simms' NPI, 1578593216, was assigned on July 4, 2006. Dr. Simms graduated from University of California, San Diego School of Medicine in 1984. Dr. Simms holds Pennsylvania license MD033949E.
- NPI
- 1578593216NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466494240
- NPI enumeration date
- July 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (830) 773-5321
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron D. Simms practices at Fort Duncan Regional Medical Center in Eagle Pass, Texas
Dr. Simms' primary practice is Fort Duncan Regional Medical Center, at 3333 N Foster Maldonado Blvd, Eagle Pass, TX 78852 in Maverick County. The practice phone is (830) 773-5321.
- Fort Duncan Regional Medical Center3333 N Foster Maldonado Blvd, Eagle Pass, TX 78852 · Maverick CountyPhone(830) 773-5321
Source: Dmand AI Affiliation Data
Dr. Aaron D. Simms is affiliated with 1 site of care and 1 medical group
Dr. Simms' primary practice is Fort Duncan Regional Medical Center in Eagle Pass, Texas, part of Universal Health Services. The medical group on file is SCP Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron D. Simms' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simms practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fort Duncan Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Aaron D. Simms is one of 8,437 internists in Texas
Internal medicine is Dr. Simms' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Simms' licenses on file in 2 states: Pennsylvania and Texas.
Specialties and state licenses
- Internal medicine, PennsylvaniaPrimary
- Texas license
Internists near Dr. Simms
Counts of internists 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. Aaron D. Simms billed Medicare for 273 services in 2024
CMS data shows 273 Medicare services from Dr. Simms across 4 procedure codes in 2024, for 149 Medicare patients. Medicare paid $22,155 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Simms' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2382024: 16232%
- Tests and treatments
- 2023: 1342024: 11117%
Dr. Simms compared with the Texas median for internists, 2024
- Dr. Simms
- Texas median
- Medicare services
- 273vs 53949% below
- Medicare patients
- 149vs 19022% below
- Part D claims
- 64vs 28978% below
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Simms' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron D. Simms treated 149 Medicare patients in 2024, average age 75
CMS counts 149 Medicare patients who saw Dr. Simms in 2024. The largest group is 75 to 84, with 47 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 70% are also on Medicaid. Their average risk score is 2.82, 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. Simms' median patient age at 64, with 54% women.
Dr. Simms' Medicare patients by age, 2024
Dr. Simms' Medicare patients by sex, 2024
- Women8054%
- Men6946%
Chronic conditions among Dr. Simms' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes74%
- Ischemic heart disease70%
- Arthritis60%
- Chronic kidney disease60%
- Alzheimer's and dementia38%
- Anxiety38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Simms' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron D. Simms wrote 120 Medicare Part D claims in 2024
In 2024, Dr. Simms wrote 120 Medicare Part D claims for 104 patients. 98% of them were for generic drugs. CMS names the drug for 64 of them, across 3 drugs with 11 or more claims each, at $338 in total drug cost. In 2023, CMS named 59 claims across 3 drugs.
Dr. Simms' Part D claims by kind of drug, 2024
- Generic118 claims98%
- Brand-name and other2 claims2%
Dr. Simms' 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. Simms' Part D claims, 2024
- Opioids14%17 of 120 claims
- Antibiotics46%55 of 120 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: 592024: 648%
Drugs named by CMS: 3 in 2024, 3 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. Aaron D. Simms scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Simms for performance year 2024, reported as part of a group. Dr. Simms accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Simms' MIPS scores, performance year 2024
- 97of 100Final score
- 90.8of 100Quality
- 40of 100Improvement Activities
- 70of 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. Aaron D. Simms graduated from University of California, San Diego School of Medicine
Dr. Simms graduated from University of California, San Diego School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron D. Simms'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) |
| 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. Aaron D. Simms
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. Aaron D. Simms' NPI number?
Dr. Aaron D. Simms' NPI number is 1578593216. It was assigned on July 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron D. Simms?
Dr. Aaron D. Simms is an internist in Eagle Pass, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Aaron D. Simms practice?
Dr. Simms practices at 3333 N Foster Maldonado Blvd, Eagle Pass, TX 78852. Dr. Simms' primary practice is Fort Duncan Regional Medical Center in Eagle Pass, Texas, part of Universal Health Services.
What is Dr. Aaron D. Simms' office phone number?
The practice phone on file for Dr. Simms is (830) 773-5321.
What is Dr. Aaron D. Simms' medical license number?
Dr. Simms holds Pennsylvania license MD033949E, one of the licenses on file in 2 states.
Which states has Dr. Aaron D. Simms been licensed in?
Dmand AI has state licenses on file for Dr. Simms in Pennsylvania and Texas.
Which hospitals is Dr. Aaron D. Simms affiliated with?
Dr. Simms practices at Fort Duncan Regional Medical Center in Eagle Pass, Texas.
What medical group is Dr. Aaron D. Simms part of?
Dr. Simms is linked to SCP Health.
Does Dr. Aaron D. Simms accept Medicare?
Yes. CMS data shows Dr. Simms billed Medicare for 273 services in 2024, and Dr. Simms accepts Medicare assignment.
What is Dr. Aaron D. Simms' MIPS score?
Dr. Simms' MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Aaron D. Simms see?
CMS counts 149 Medicare patients who saw Dr. Simms in 2024, with an average age of 75.
What services does Dr. Aaron D. Simms bill to Medicare?
In 2024, Dr. Simms' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Aaron D. Simms go to medical school?
Dr. Simms graduated from University of California, San Diego School of Medicine in 1984.
What drugs does Dr. Aaron D. Simms prescribe most?
In 2024 Medicare Part D data, Dr. Simms' most prescribed drugs by claims were Ondansetron ODT, Sulfamethoxazole-Trimethoprim and Tramadol HCl.
How long has Dr. Aaron D. Simms been practicing?
Dr. Simms graduated from medical school in 1984, 42 years ago.
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