Cathy Hernandez, M.D.
Internal Medicine Physician · Dallas, TX
Cathy Hernandez, M.D. is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1568470649, issued on Aug 4, 2006. Check the license (Texas K8763, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cathy Hernandez
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- K8763 TX
Self-reported in NPPES; status is on the state search - Practice location
- 12221 Merit Dr Ste 460, Dallas, TX 75251
- Phone
- (469) 374-3850
- Enumerated
- Aug 4, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (469) 374-3851
- Medicare enrollment
- Enrolled (PECOS I20091217000552); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 12221 Merit Dr Ste 460
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cathy Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K8763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average internal medicine physician in 2024
367 Medicare Part D claims for 146 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 61 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen38 claims
- Eliquis22 claims
- Amoxicillin-Clavulanate Potass15 claims
- Metoprolol Succinate15 claims
- Pantoprazole Sodium15 claims
- Ondansetron Odt14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $97.76
1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Cathy Hernandez among 9,175 internal medicine physician records in Texas
Cathy Hernandez, M.D. is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1996 · median 2004 among the 6,088 with a school on file
- Record last updated2007 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Asma Ashraf, M.D.Dallas, TX 752511063439529
- Rafael Canadas-Zizzias, M.D.Dallas, TX 752511801897616
- Dipauni Doshi, M.D.Dallas, TX 752511831162874
- Laila Hirjee, M.D.Dallas, TX 752511588678437
- James Ikemba, MDDallas, TX 752511124055579
- Bill Johnson, MDDallas, TX 752511568411205
- Zulfiqar Jussa, MDDallas, TX 752511265490544
- Hadi Ladak, M.D.Dallas, TX 752511275583973
Common questions
What is Cathy Hernandez, M.D.'s NPI number?
Cathy Hernandez, M.D.'s National Provider Identifier (NPI) is 1568470649, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Hernandez, M.D. located?
The NPPES record lists a practice address at 12221 Merit Dr Ste 460, Dallas, TX, 75251. Phone: (469) 374-3850. Providers update this record themselves, so call before visiting.
How can I verify Cathy Hernandez, M.D.'s license?
NPPES lists Texas license number K8763, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Cathy Hernandez, M.D. prescribe under Medicare Part D?
In 2024, Cathy Hernandez, M.D. had 367 Medicare Part D claims for 146 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.