John Stevens, MD
NPI 1508886482 · Nephrology Physician · Texarkana, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Stevens, MD is a Nephrology Physician provider in Texarkana, TX (NPI 1508886482).
Provider details
- NPI number
- 1508886482
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34281 (IA)
Specialties & taxonomies
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
19 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
2,580 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 | 307 | $77 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 267 | $348 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 165 | $116 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 134 | $9 |
| Ferritin (blood Protein) Level82728 | 110 | $13 |
| Iron Level83540 | 110 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 136 | 35 |
| Losartan Potassium | 102 | 30 |
| Dapagliflozin Propanediolbrand: Farxiga | 73 | 12 |
| Atorvastatin Calcium | 65 | 16 |
| Nifedipinebrand: Nifedipine Er | 59 | 19 |
| Sevelamer Carbonate | 49 | 19 |
| Furosemide | 46 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$201 across 10 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
- 2006-07-20
- Last updated
- 2012-01-03
Frequently asked questions
- What is John Stevens's NPI number?
- John Stevens's National Provider Identifier (NPI) is 1508886482, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Stevens's specialty?
- John Stevens is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is John Stevens located?
- John Stevens's practice location on file with NPPES is 5002 Cowhorn Creek Rd, Texarkana, TX 75503-9766.
- What is John Stevens's phone number?
- The practice phone number listed in the NPPES registry for John Stevens is (903) 614-3000.
- Does John Stevens accept Medicare?
- John Stevens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Stevens's NPI active?
- Yes — John Stevens's NPI (1508886482) is active in the NPPES registry as of the last update on 2012-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.