Mark Russo, MD, PHD
NPI 1316934326 · Nephrology Physician · Naples, FL
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Russo, MD, PHD is a Nephrology Physician provider in Naples, FL (NPI 1316934326).
Provider details
- NPI number
- 1316934326
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 83306 (FL)
Specialties & taxonomies
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
2,623 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 | 957 | $129 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 583 | $17 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 308 | $363 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 189 | $300 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 167 | $301 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 245 | 94 |
| Amlodipine Besylate | 134 | 59 |
| Calcitriol | 113 | 38 |
| Sevelamer Carbonate | 109 | 45 |
| Allopurinol | 100 | 31 |
| Spironolactone | 77 | 27 |
| Furosemide | 75 | 30 |
| Calcium Acetate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,538 across 53 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
- 2005-10-04
- Last updated
- 2013-09-11
Frequently asked questions
- What is Mark Russo's NPI number?
- Mark Russo's National Provider Identifier (NPI) is 1316934326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Russo's specialty?
- Mark Russo is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Russo located?
- Mark Russo's practice location on file with NPPES is 878 109th Ave N, Naples, FL 34108-1821.
- What is Mark Russo's phone number?
- The practice phone number listed in the NPPES registry for Mark Russo is (239) 513-1002.
- Does Mark Russo accept Medicare?
- Mark Russo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Russo's NPI active?
- Yes — Mark Russo's NPI (1316934326) is active in the NPPES registry as of the last update on 2013-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.