Fernando Ariza, MD
NPI 1699750638 · Nephrology Physician · Winston Salem, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fernando Ariza, MD is a Nephrology Physician provider in Winston Salem, NC (NPI 1699750638).
Provider details
- NPI number
- 1699750638
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2001-01309 (NC)
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
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
306 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 65 | $120 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 58 | $73 |
| Automated Urinalysis Test81003 | 43 | $2 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 40 | $153 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 40 | $111 |
| Urine Microalbumin (protein) Analysis82044 | 36 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 141 | 51 |
| Amlodipine Besylate | 57 | 23 |
| Lisinopril | 53 | 28 |
| Chlorthalidone | 49 | 18 |
| Dapagliflozin Propanediolbrand: Farxiga | 48 | 21 |
| Finerenonebrand: Kerendia | 25 | 13 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,186 across 32 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
- 2005-12-13
- Last updated
- 2026-04-04
- Certified
- 2026-04-04
Frequently asked questions
- What is Fernando Ariza's NPI number?
- Fernando Ariza's National Provider Identifier (NPI) is 1699750638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernando Ariza's specialty?
- Fernando Ariza is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Fernando Ariza located?
- Fernando Ariza's practice location on file with NPPES is Po Box 26101, Winston Salem, NC 27114-6101.
- What is Fernando Ariza's phone number?
- The practice phone number listed in the NPPES registry for Fernando Ariza is (336) 245-9519.
- Does Fernando Ariza accept Medicare?
- Fernando Ariza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fernando Ariza's NPI active?
- Yes — Fernando Ariza's NPI (1699750638) is active in the NPPES registry as of the last update on 2026-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.