Dr. Austin Charles Miller, MD
- Medicare services, 2023
- 16
- Part D claims, 2022
- 102
- Hospital affiliations
- 1
- Industry payments
- $484
- Medical groups
- 3
- Practice address
- 1301 Wonder World Drive, San Marcos, TX 78666
- Practice phone
- Call (512) 753-3511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Austin Charles Miller is an internist in San Marcos, Texas
Dr. Miller practices at CHRISTUS Santa Rosa Hospital - San Marcos in San Marcos, Texas, part of CHRISTUS Health.
Dr. Miller's NPI, 1114453693, was assigned on May 3, 2017. Dr. Miller graduated from Joe R. & Teresa Lozano Long School of Medicine in 2017. Dr. Miller holds Texas license S3842.
- NPI
- 1114453693NPI Registry (opens in a new tab)
- NPI enumeration date
- May 3, 2017
- NPI status
- Active
- Practice phone
- (512) 753-3511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Austin Charles Miller practices at CHRISTUS Santa Rosa Hospital - San Marcos in San Marcos, Texas
Dr. Miller's primary practice is CHRISTUS Santa Rosa Hospital - San Marcos, at 1301 Wonder World Drive, San Marcos, TX 78666 in Hays County. The practice phone is (512) 753-3511.
- CHRISTUS Santa Rosa Hospital - San Marcos1301 Wonder World Drive, San Marcos, TX 78666 · Hays CountyPhone(512) 753-3511
Source: Dmand AI Affiliation Data
Dr. Austin Charles Miller is affiliated with 2 sites of care and 3 medical groups
Dr. Miller's primary practice is CHRISTUS Santa Rosa Hospital - San Marcos in San Marcos, Texas, part of CHRISTUS Health. The medical group on file is Sound Physicians. Dmand AI also links Dr. Miller to 2 more medical groups and 1 group practice or clinic, 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. Austin Charles Miller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Miller practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| CHRISTUS Santa Rosa Hospital - San Marcos | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Austin Charles Miller is one of 8,437 internists in Texas
Internal medicine is Dr. Miller's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Miller is board certified in internal medicine by the American Board of Internal Medicine. Dr. Miller is licensed in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Clinical focus
Dmand AI lists acute respiratory failure, congestive heart failure, heart attack, kidney failure, pneumonia and respiratory infection and stroke among the conditions Dr. Miller treats.
Internists near Dr. Miller
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. Austin Charles Miller billed Medicare for 16 services in 2023
CMS data shows 16 Medicare services from Dr. Miller across 1 procedure code in 2023. Medicare paid $969 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Miller's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 6982023: 1698%
Dr. Miller compared with the Texas median for internists, 2023
- Dr. Miller
- Texas median
- Medicare services
- 16vs 53997% below
- Part D claims
- 102vs 28965% below
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Miller's most billed Medicare procedure codes, 2023
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. Miller and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Austin Charles Miller's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Miller's median patient age at 61, with 26% women.
Dr. Miller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women26%
- Men74%
Source: Dmand AI Patient Panel Data
Dr. Austin Charles Miller wrote 102 Medicare Part D claims in 2022
In 2022, Dr. Miller wrote 102 Medicare Part D claims. They cover 6 drugs, with $659 in total drug cost. In 2021, CMS named 162 claims across 11 drugs.
Dr. Miller's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1622022: 10237%
Drugs named by CMS: 6 in 2022, 11 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Austin Charles Miller received $484 in industry payments from 2022 to 2025
CMS Open Payments shows 11 general payments to Dr. Miller from 5 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. UCB, Inc. paid the most, $217.
General payments to Dr. Miller by program year, 2022 to 2025
Companies that paid Dr. Miller the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Austin Charles Miller graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Miller graduated from Joe R. & Teresa Lozano Long School of Medicine in 2017.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Austin Charles Miller accepts plans from 16 insurance carriers
Dr. Miller is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- +8 more carriersWith a free account
Plan types Dr. Miller accepts, by number of carriers
- PPO10
- HMO9
- Medicare5
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Austin Charles Miller'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Austin Charles Miller
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. Austin Charles Miller's NPI number?
Dr. Austin Charles Miller's NPI number is 1114453693. It was assigned on May 3, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Austin Charles Miller?
Dr. Austin Charles Miller is an internist in San Marcos, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Austin Charles Miller practice?
Dr. Miller practices at 1301 Wonder World Drive, San Marcos, TX 78666. Dr. Miller's primary practice is CHRISTUS Santa Rosa Hospital - San Marcos in San Marcos, Texas, part of CHRISTUS Health. Dmand AI also links Dr. Miller to 2 medical groups and 1 group practice or clinic.
What is Dr. Austin Charles Miller's office phone number?
The practice phone on file for Dr. Miller is (512) 753-3511.
What is Dr. Austin Charles Miller's medical license number?
Dr. Miller holds Texas license S3842.
Which hospitals is Dr. Austin Charles Miller affiliated with?
Dr. Miller practices at CHRISTUS Santa Rosa Hospital - San Marcos in San Marcos, Texas.
What medical group is Dr. Austin Charles Miller part of?
Dr. Miller is linked to Sound Physicians. Dmand AI links Dr. Miller to 2 more medical groups.
Does Dr. Austin Charles Miller accept Medicare?
Yes. CMS data shows Dr. Miller billed Medicare for 16 services in 2023.
Is Dr. Austin Charles Miller board certified?
Yes. Dr. Miller is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Austin Charles Miller bill to Medicare?
In 2023, Dr. Miller's most billed Medicare services were hospital inpatient care (99232).
Show 5 more questionsShow fewer questions
Where did Dr. Austin Charles Miller go to medical school?
Dr. Miller graduated from Joe R. & Teresa Lozano Long School of Medicine in 2017.
What drugs does Dr. Austin Charles Miller prescribe most?
In 2022 Medicare Part D data, Dr. Miller's most prescribed drugs by claims were Atorvastatin Calcium, Amoxicillin-Clavulanate Potass and Furosemide.
Has Dr. Austin Charles Miller received payments from drug or device companies?
CMS Open Payments shows $484 in general payments to Dr. Miller from 5 companies from 2022 to 2025. The largest total came from UCB, Inc.
How long has Dr. Austin Charles Miller been practicing?
Dr. Miller graduated from medical school in 2017, 9 years ago.
What insurance does Dr. Austin Charles Miller accept?
Dr. Miller is in network with 16 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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