Hayden Hemphill, MD
NPI 1396746376 · Nephrology Physician · Texarkana, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hayden Hemphill, MD is a Nephrology Physician provider in Texarkana, TX (NPI 1396746376).
Provider details
- NPI number
- 1396746376
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- L3996 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,494 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 486 | $77 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 374 | $348 |
| Manual Urinalysis Test With Examination Using Microscope, Automated81001 | 306 | $3 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 300 | $9 |
| Creatinine Level to Test for Kidney Function Or Muscle Injury82570 | 295 | $5 |
| Total Protein Level, Urine84156 | 293 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 36 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 144 | 55 |
| Carvedilol | 99 | 24 |
| Furosemide | 81 | 38 |
| Amlodipine Besylate | 70 | 27 |
| Pantoprazole Sodium | 69 | 21 |
| Sevelamer Carbonate | 61 | 20 |
| Gabapentin | 56 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$773 across 36 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-02
- Last updated
- 2011-04-08
Frequently asked questions
- What is Hayden Hemphill's NPI number?
- Hayden Hemphill's National Provider Identifier (NPI) is 1396746376, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hayden Hemphill's specialty?
- Hayden Hemphill is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Hayden Hemphill located?
- Hayden Hemphill's practice location on file with NPPES is 5002 Cowhorn Creek Rd, Texarkana, TX 75503-9766.
- What is Hayden Hemphill's phone number?
- The practice phone number listed in the NPPES registry for Hayden Hemphill is (903) 614-3000.
- Does Hayden Hemphill accept Medicare?
- Hayden Hemphill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hayden Hemphill's NPI active?
- Yes — Hayden Hemphill's NPI (1396746376) is active in the NPPES registry as of the last update on 2011-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.