Hayden N. Hemphill, MD
Nephrology Physician · Texarkana, TX
Hayden N. Hemphill, MD is a nephrology physician with a practice address in Texarkana, Texas, and NPI 1396746376, issued on Aug 2, 2005. Check the license (Texas L3996, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Hayden N. Hemphill
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- L3996 TX
E3289 AR
23061 OK
Self-reported in NPPES; status is on the state search - Practice location
- 5002 Cowhorn Creek RD, Texarkana, TX 75503
- Phone
- (903) 614-3000
- Enumerated
- Aug 2, 2005
- Record last updated
- Apr 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (903) 614-3525
- Medicaid IDs
- 151645201 TX
146762001 AR - Medicare enrollment
- Enrolled (PECOS I20160113002625); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1997
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 5002 Cowhorn Creek RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ermias Abebe, M.D.Orthopaedic Surgery Physician1548558273
- Muazer Ahmed, M.DNephrology Physician1891113577
- Brian Alessi, M.D.Pediatrics Physician1821409939
- Zahir Ali, MDHospitalist Physician1184685422
- Matt Allred, FNPFamily Nurse Practitioner1700064789
- Ukana Bassey, D.OInternal Medicine Physician1356628812
Verify Hayden N. Hemphill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L3996Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average nephrology physician in 2024
1,526 Medicare Part D claims for 274 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium144 claims
- Carvedilol99 claims
- Furosemide81 claims
- Amlodipine Besylate70 claims
- Pantoprazole Sodium69 claims
- Sevelamer Carbonate61 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: $772.51
36 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Bills Medicare through 2 group practices
- Christus Trinity ClinicTexarkana, TX
- Collom And Carney Clinic AssociationIdabel, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hayden N. Hemphill among 1,159 nephrology physician records in Texas
Hayden N. Hemphill, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1997 · median 2001 among the 954 with a school on file
- Record last updated2011 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in Texarkana → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Muazer Ahmed, M.DTexarkana, TX 755031891113577
- Robert Leach, MDTexarkana, TX 755031114910411
- Jason Lee, MDTexarkana, TX 755031285634592
- Jarrell Myrick, MDTexarkana, TX 755031669472536
- Bayard Quinn, MDTexarkana, TX 755031518967611
- John Stevens, MDTexarkana, TX 755031508886482
- Armando Aponte Velez, MDParis, TX 754601205261781
- Mark Greenwell, M.D.Paris, TX 754601184681371
Common questions
What is Hayden N. Hemphill, MD's NPI number?
Hayden N. Hemphill, MD's National Provider Identifier (NPI) is 1396746376, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Hayden N. Hemphill, MD located?
The NPPES record lists a practice address at 5002 Cowhorn Creek RD, Texarkana, TX, 75503. Phone: (903) 614-3000. Providers update this record themselves, so call before visiting.
How can I verify Hayden N. Hemphill, MD's license?
NPPES lists Texas license number L3996, 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 Hayden N. Hemphill, MD prescribe under Medicare Part D?
In 2024, Hayden N. Hemphill, MD had 1,526 Medicare Part D claims for 274 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.