Gerardo Varallo, D.O.
NPI 1821044496 · Nephrology Physician · Voorhees, NJ
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gerardo Varallo, D.O. is a Nephrology Physician provider in Voorhees, NJ (NPI 1821044496).
Provider details
- NPI number
- 1821044496
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MB07563500 (NJ)
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
2,368 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 | 483 | $80 |
| 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 | 462 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 395 | $108 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 348 | $364 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 335 | $122 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 100 | 32 |
| Furosemide | 66 | 25 |
| Allopurinol | 64 | 20 |
| Valsartan | 64 | 22 |
| Calcitriol | 59 | 16 |
| Atorvastatin Calcium | 58 | 19 |
| Doxazosin Mesylate | 56 | 13 |
| Hydrochlorothiazide | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,571 across 74 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
- 2006-05-25
- Last updated
- 2012-10-24
Frequently asked questions
- What is Gerardo Varallo's NPI number?
- Gerardo Varallo's National Provider Identifier (NPI) is 1821044496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerardo Varallo's specialty?
- Gerardo Varallo is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Gerardo Varallo located?
- Gerardo Varallo's practice location on file with NPPES is 201 Laurel Oak Rd, Voorhees, NJ 08043-4424.
- What is Gerardo Varallo's phone number?
- The practice phone number listed in the NPPES registry for Gerardo Varallo is (856) 566-5478.
- Does Gerardo Varallo accept Medicare?
- Gerardo Varallo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gerardo Varallo's NPI active?
- Yes — Gerardo Varallo's NPI (1821044496) is active in the NPPES registry as of the last update on 2012-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.