Derek Herkes, DO
Emergency Medicine Physician · Round Rock, TX
Derek Herkes, DO is an emergency medicine physician with a practice address in Round Rock, Texas, and NPI 1962909887, issued on Apr 8, 2018. Check the license (Texas T7586, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Derek Herkes
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- T7586 TX
DO2958 NV
Self-reported in NPPES; status is on the state search - Practice location
- 300 University Blvd, Round Rock, TX 78665
- Phone
- (512) 509-0100
- Enumerated
- Apr 8, 2018
- Record last updated
- Sep 23, 2022
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 300 University Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Albert, MDEmergency Medicine Physician1780241638
- Torey AllingEmergency Medicine Physician1871121814
- Victoriano AquinoPhysician Assistant1750919742
- Rachel Arffa, MDOtolaryngology Physician1316268410
- Danielle Arnold, MDPediatrics Physician1114293834
- Joseph Ayoub, M.D.Diagnostic Radiology Physician1588844609
Verify Derek Herkes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T7586Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average emergency medicine physician in 2024
563 Medicare Part D claims for 292 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 26 claims were for opioids.
Most prescribed
- Azithromycin48 claims
- Ondansetron Odt43 claims
- Prednisone40 claims
- Cephalexin32 claims
- Methocarbamol27 claims
- Methylprednisolone27 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.
Derek Herkes among 4,885 emergency medicine physician records in Texas
Derek Herkes, DO is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 77% of them.
- NPI issued2018 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
68 emergency medicine physician records list a practice address in Round Rock
They are 68 of the 3,815 NPPES records with a practice address in Round Rock, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Round Rock → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brennen Beatty, MDRound Rock, TX 786651013076611
- William Biggers, M.D.Round Rock, TX 786651588640155
- Anthony Dumpit, M.D.Round Rock, TX 786651447462874
- Orlando Encarnacion, MDRound Rock, TX 786651366653669
- William Ewen, M.D.Round Rock, TX 786651538355490
- David Kaylor, D.O.Round Rock, TX 786651215142914
- Edward Lee, MDRound Rock, TX 786651912940867
- Ketan Patel, MDRound Rock, TX 786651386722825
Common questions
What is Derek Herkes, DO's NPI number?
Derek Herkes, DO's National Provider Identifier (NPI) is 1962909887, issued on Apr 8, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Derek Herkes, DO located?
The NPPES record lists a practice address at 300 University Blvd, Round Rock, TX, 78665. Phone: (512) 509-0100. Providers update this record themselves, so call before visiting.
How can I verify Derek Herkes, DO's license?
NPPES lists Texas license number T7586, 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 Derek Herkes, DO prescribe under Medicare Part D?
In 2024, Derek Herkes, DO had 563 Medicare Part D claims for 292 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.