Dr. Ernesto Hernandez, MD
- Medicare services, 2024
- 675
- Medicare patients, 2024
- 560
- Part D claims, 2024
- 50
- MIPS score, 2024
- 76
- Hospital affiliations
- 4
- Practice address
- 551 Hill Country Drive, Kerrville, TX 78028
- Practice phone
- Call (830) 896-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hernandez's professional email, personal email and mobile number
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Dr. Ernesto Hernandez is an internist in Kerrville, Texas
Dr. Hernandez practices at Peterson Regional Medical Center in Kerrville, Texas, part of Peterson Health.
Dr. Hernandez's NPI, 1235460080, was assigned on January 19, 2010. Dr. Hernandez graduated from UTMB Health in 2008. Dr. Hernandez holds Texas license N8927.
- NPI
- 1235460080NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901076652
- NPI enumeration date
- January 19, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (830) 896-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ernesto Hernandez practices at Peterson Regional Medical Center in Kerrville, Texas
Dr. Hernandez's primary practice is Peterson Regional Medical Center, at 551 Hill Country Drive, Kerrville, TX 78028 in Kerr County. The practice phone is (830) 896-4200.
- Peterson Regional Medical Center551 Hill Country Drive, Kerrville, TX 78028 · Kerr CountyPhone(830) 896-4200
Source: Dmand AI Affiliation Data
Dr. Ernesto Hernandez is affiliated with 4 sites of care and 2 medical groups
Dr. Hernandez's primary practice is Peterson Regional Medical Center in Kerrville, Texas, part of Peterson Health. Dr. Hernandez is also affiliated with Methodist Hospital Hill Country. The medical group on file is Sound Physicians. Dmand AI also links Dr. Hernandez to 2 more hospitals and 1 medical group, 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. Ernesto Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hernandez practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peterson Regional Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Peterson Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ernesto Hernandez is one of 8,437 internists in Texas
Internal medicine is Dr. Hernandez's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hernandez is licensed in Texas.
Specialties and state licenses
- Internal medicine, TexasPrimary
Clinical focus
Dmand AI lists cardiac arrhythmia, cellulitis, chest pain, circulation problems, cirrhosis, congestive heart failure, electrolyte disorders and gastrointestinal obstruction among the conditions Dr. Hernandez treats.
Internists near Dr. Hernandez
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. Ernesto Hernandez billed Medicare for 675 services in 2024
CMS data shows 675 Medicare services from Dr. Hernandez across 4 procedure codes in 2024, for 560 Medicare patients. Medicare paid $74,879 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7382024: 6759%
Dr. Hernandez compared with the Texas median for internists, 2024
- Dr. Hernandez
- Texas median
- Medicare services
- 675vs 53925% above
- Medicare patients
- 560vs 1902.9 times
- Part D claims
- 12vs 28996% below
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Hernandez'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. Hernandez and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ernesto Hernandez treated 560 Medicare patients in 2024, average age 78
CMS counts 560 Medicare patients who saw Dr. Hernandez in 2024. The largest group is 75 to 84, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.54, 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. Hernandez's median patient age at 67, with 51% women.
Dr. Hernandez's Medicare patients by age, 2024
Dr. Hernandez's Medicare patients by sex, 2024
- Women29052%
- Men27048%
Chronic conditions among Dr. Hernandez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease40%
- Mood disorders39%
- Atrial fibrillation38%
- Depression36%
- Diabetes35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hernandez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ernesto Hernandez wrote 50 Medicare Part D claims in 2024
In 2024, Dr. Hernandez wrote 50 Medicare Part D claims for 28 patients. 98% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $17 in total drug cost. In 2016, CMS named 28 claims across 2 drugs.
Dr. Hernandez's Part D claims by kind of drug, 2024
- Generic49 claims98%
- Brand-name and other1 claims2%
Dr. Hernandez's most prescribed drugs by claims, 2023
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, 2016 to 2023
- 2016
- 2023
- Claims for drugs CMS names
- 2016: 282023: 1257%
Drugs named by CMS: 1 in 2023, 2 in 2016.
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. Ernesto Hernandez scored 76 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Hernandez for performance year 2024, reported as part of a group. Dr. Hernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hernandez's MIPS scores, performance year 2024
- 76of 100Final score
- 70.6of 100Quality
- 40of 100Improvement Activities
- 72of 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. Ernesto Hernandez received $169 in industry payments from 2016 to 2023
CMS Open Payments shows 11 general payments to Dr. Hernandez from 7 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. The Medicines Company paid the most, $52.
General payments to Dr. Hernandez by program year, 2016 to 2023
Companies that paid Dr. Hernandez the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ernesto Hernandez graduated from UTMB Health
Dr. Hernandez graduated from UTMB Health in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ernesto Hernandez accepts plans from 17 insurance carriers
Dr. Hernandez is in network with 17 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. 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
- +9 more carriersWith a free account
Plan types Dr. Hernandez accepts, by number of carriers
- PPO11
- HMO9
- Medicare6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Ernesto Hernandez'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 |
| 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. Ernesto Hernandez
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. Ernesto Hernandez's NPI number?
Dr. Ernesto Hernandez's NPI number is 1235460080. It was assigned on January 19, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Ernesto Hernandez?
Dr. Ernesto Hernandez is an internist in Kerrville, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ernesto Hernandez practice?
Dr. Hernandez practices at 551 Hill Country Drive, Kerrville, TX 78028. Dr. Hernandez's primary practice is Peterson Regional Medical Center in Kerrville, Texas, part of Peterson Health. Dmand AI also links Dr. Hernandez to 2 hospitals and 1 medical group.
What is Dr. Ernesto Hernandez's office phone number?
The practice phone on file for Dr. Hernandez is (830) 896-4200.
What is Dr. Ernesto Hernandez's medical license number?
Dr. Hernandez holds Texas license N8927.
Which hospitals is Dr. Ernesto Hernandez affiliated with?
Dr. Hernandez practices at Peterson Regional Medical Center in Kerrville, Texas. Dr. Hernandez is also affiliated with Methodist Hospital Hill Country. Dmand AI links Dr. Hernandez to 2 more hospitals.
What medical group is Dr. Ernesto Hernandez part of?
Dr. Hernandez is linked to Sound Physicians. Dmand AI links Dr. Hernandez to 1 more medical group.
Does Dr. Ernesto Hernandez accept Medicare?
Yes. CMS data shows Dr. Hernandez billed Medicare for 675 services in 2024, and Dr. Hernandez accepts Medicare assignment.
What is Dr. Ernesto Hernandez's MIPS score?
Dr. Hernandez's MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ernesto Hernandez see?
CMS counts 560 Medicare patients who saw Dr. Hernandez in 2024, with an average age of 78.
Show 6 more questionsShow fewer questions
What services does Dr. Ernesto Hernandez bill to Medicare?
In 2024, Dr. Hernandez's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99233) and hospital inpatient care (99222).
Where did Dr. Ernesto Hernandez go to medical school?
Dr. Hernandez graduated from UTMB Health in 2008.
What drugs does Dr. Ernesto Hernandez prescribe most?
In 2023 Medicare Part D data, Dr. Hernandez's most prescribed drugs by claims were Prednisone.
Has Dr. Ernesto Hernandez received payments from drug or device companies?
CMS Open Payments shows $169 in general payments to Dr. Hernandez from 7 companies from 2016 to 2023. The largest total came from The Medicines Company.
How long has Dr. Ernesto Hernandez been practicing?
Dr. Hernandez graduated from medical school in 2008, 18 years ago.
What insurance does Dr. Ernesto Hernandez accept?
Dr. Hernandez is in network with 17 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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