Genetic TherapyGenetic VectorsInfusions, Intravenous
Dr. Cathy Hernandez, MD
NPI1568470649PAC ID2365332657
- Medicare services, 2024
- 1,120
- Medicare patients, 2024
- 313
- Part D claims, 2024
- 367
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 7777 Forest Lane, Dallas, TX 75230
- Practice phone
- Call (972) 566-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Cathy Hernandez is an internist in Dallas, Texas
Dr. Hernandez practices at Medical City Dallas Hospital in Dallas, Texas, part of HCA Healthcare.
Dr. Hernandez's NPI, 1568470649, was assigned on August 4, 2006. Dr. Hernandez graduated from UT Southwestern Medical Center in 1996. Dr. Hernandez's Texas license number on file is K8763.
NPI and contact details
- NPI
- 1568470649NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365332657
- NPI enumeration date
- August 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (972) 566-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cathy Hernandez practices at Medical City Dallas Hospital in Dallas, Texas
Dr. Hernandez's primary practice is Medical City Dallas Hospital, at 7777 Forest Lane, Dallas, TX 75230 in Dallas County. The practice phone is (972) 566-6222.
- Medical City Dallas Hospital7777 Forest Lane, Dallas, TX 75230 · Dallas CountyPhone(972) 566-6222
Source: Dmand AI Affiliation Data
Dr. Cathy Hernandez is affiliated with 6 sites of care and 3 medical groups
Dr. Hernandez's primary practice is Medical City Dallas Hospital in Dallas, Texas, part of HCA Healthcare. Dmand AI also links Dr. Hernandez to 1 hospital, 3 group practices and clinics, 3 medical groups and 1 physician office, each named with a free account.
1 hospitalName with a free account3 group practices and clinicsNames with a free account3 medical groupsNames with a free account1 physician officeName with a free account
See all 9 affiliations for Dr. HernandezSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cathy Hernandez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hernandez practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medical City Dallas Hospital | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cathy 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 board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Hernandez's licenses on file in 3 states: Texas, Maryland and Pennsylvania.
Specialties and state licenses
- Internal medicine, TexasPrimary
- Maryland license
- Pennsylvania license
Clinical focus
Dmand AI lists acute diabetes, anemia, cardiac arrhythmia, cellulitis, chronic hypertension, circulation problems, circulatory problems in extremities and collapsed lung 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. Cathy Hernandez billed Medicare for 1,120 services in 2024
CMS data shows 1,120 Medicare services from Dr. Hernandez across 8 procedure codes in 2024, for 313 Medicare patients. Medicare paid $96,207 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 20241,120
Medicare patients313
Paid by Medicare$96,207
Procedure codes8
Dr. Hernandez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7402024: 1,12051%
Dr. Hernandez compared with the Texas median for internists, 2024
- Dr. Hernandez
- Texas median
- Medicare services
- 1,120vs 5392.1 times
- Medicare patients
- 313vs 19065% above
- Part D claims
- 119vs 28959% 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.
Need commercial claims for Dr. Hernandez?
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. Cathy Hernandez treated 313 Medicare patients in 2024, average age 74
CMS counts 313 Medicare patients who saw Dr. Hernandez in 2024. The largest group is 65 to 74, with 129 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 2.20, 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 66, with 51% women.
Medicare patients, 2024313
Average age74
Average risk score2.20
Also on Medicaid12%
Dr. Hernandez's Medicare patients by age, 2024
Dr. Hernandez's Medicare patients by sex, 2024
- Women17155%
- Men14245%
Chronic conditions among Dr. Hernandez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis71%
- Chronic kidney disease47%
- Ischemic heart disease45%
- Anxiety44%
- Mood disorders42%
- Depression38%
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 66
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cathy Hernandez wrote 367 Medicare Part D claims in 2024
In 2024, Dr. Hernandez wrote 367 Medicare Part D claims for 146 patients. 87% of them were for generic drugs. CMS names the drug for 119 of them, across 6 drugs with 11 or more claims each, at $15,139 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Part D claims, 2024367
Drugs named by CMS6
Total drug cost$15,139
Part D patients146
Dr. Hernandez's Part D claims by kind of drug, 2024
- Generic321 claims87%
- Brand-name46 claims13%
Dr. Hernandez'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. Hernandez's Part D claims, 2024
- Opioids17%61 of 367 claims
- Antibiotics15%55 of 367 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: 492024: 119143%
Drugs named by CMS: 6 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
How Dr. Cathy Hernandez takes part in Medicare
Dr. Hernandez accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Cathy Hernandez has 1 publication on record
Dmand AI links 1 paper to Dr. Hernandez in 2011. Dr. Hernandez's most frequent co-authors are Gregory A. Nemunaitis, MD and John Joseph Nemunaitis, MD.
Papers1
Dr. Hernandez's most frequent co-authors
Recent publications by Dr. Hernandez
See who Dr. Hernandez researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hernandez works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Cathy Hernandez received $864 in industry payments from 2016 to 2025
CMS Open Payments shows 13 general payments to Dr. Hernandez from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $283.
General payments to Dr. Hernandez by program year, 2016 to 2025
Companies that paid Dr. Hernandez the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Cathy Hernandez has 1 award and honors on record
Dmand AI lists 1 award for Dr. Hernandez, most recently President of Medical Staff in 2023.
Awards and honors for Dr. Hernandez
- 2023
- President of Medical Staff
Source: Dmand AI Professional Profile Data
Dr. Cathy Hernandez graduated from UT Southwestern Medical Center
Dr. Hernandez graduated from UT Southwestern Medical Center in 1996.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Cathy Hernandez accepts plans from 8 insurance carriers
Dr. Hernandez is in network with 8 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. POS plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- HCSC
Plan types Dr. Hernandez accepts, by number of carriers
- POS5
- PPO5
- Medicare4
- EPO3
- HMO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Cathy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Cathy 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. Cathy Hernandez's NPI number?
Dr. Cathy Hernandez's NPI number is 1568470649. It was assigned on August 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Cathy Hernandez?
Dr. Cathy Hernandez is an internist in Dallas, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Cathy Hernandez practice?
Dr. Hernandez practices at 7777 Forest Lane, Dallas, TX 75230. Dr. Hernandez's primary practice is Medical City Dallas Hospital in Dallas, Texas, part of HCA Healthcare. Dmand AI also links Dr. Hernandez to 1 hospital, 3 group practices and clinics, 3 medical groups and 1 physician office.
What is Dr. Cathy Hernandez's office phone number?
The practice phone on file for Dr. Hernandez is (972) 566-6222.
What is Dr. Cathy Hernandez's medical license number?
Dr. Hernandez's Texas license number on file is K8763, one of the licenses on file in 3 states.
Which states has Dr. Cathy Hernandez been licensed in?
Dmand AI has state licenses on file for Dr. Hernandez in Texas (1999 to 2025), Maryland (1999 to 2000) and Pennsylvania (1999 to 2000).
Which hospitals is Dr. Cathy Hernandez affiliated with?
Dr. Hernandez practices at Medical City Dallas Hospital in Dallas, Texas. Dmand AI links Dr. Hernandez to 1 more hospital.
Does Dr. Cathy Hernandez accept Medicare?
Yes. CMS data shows Dr. Hernandez billed Medicare for 1,120 services in 2024, and Dr. Hernandez accepts Medicare assignment.
How many Medicare patients does Dr. Cathy Hernandez see?
CMS counts 313 Medicare patients who saw Dr. Hernandez in 2024, with an average age of 74.
Is Dr. Cathy Hernandez board certified?
Yes. Dr. Hernandez is board certified in internal medicine by the American Board of Internal Medicine.
Show 8 more questionsShow fewer questions
What services does Dr. Cathy Hernandez bill to Medicare?
In 2024, Dr. Hernandez's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Cathy Hernandez go to medical school?
Dr. Hernandez graduated from UT Southwestern Medical Center in 1996.
What drugs does Dr. Cathy Hernandez prescribe most?
In 2024 Medicare Part D data, Dr. Hernandez's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Eliquis and Amoxicillin-Clavulanate Potass.
Has Dr. Cathy Hernandez received payments from drug or device companies?
CMS Open Payments shows $864 in general payments to Dr. Hernandez from 8 companies from 2016 to 2025. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Cathy Hernandez been practicing?
Dr. Hernandez graduated from medical school in 1996, 30 years ago.
Does Dr. Cathy Hernandez do research?
Dmand AI links 1 publication to Dr. Hernandez.
Who does Dr. Cathy Hernandez publish with?
Dr. Hernandez's most frequent co-authors are Gregory A. Nemunaitis, MD (1 shared paper) and John Joseph Nemunaitis, MD (1 shared paper).
What insurance does Dr. Cathy Hernandez accept?
Dr. Hernandez is in network with 8 carriers, including Elevance, Excellus BlueCross BlueShield and United Healthcare. POS plans come from the most carriers, 5. Check the plan with the practice before a visit.
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