Gabriela Wojnarska-Alvarez, MD
NPI 1023256559 · Nephrology Physician · Montvale, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gabriela Wojnarska-Alvarez, MD is a Nephrology Physician provider in Montvale, NJ (NPI 1023256559).
Provider details
- NPI number
- 1023256559
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA08598900 (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
17 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
963 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 185 | $94 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 177 | $185 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 137 | $133 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 109 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 102 | $130 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 334 | 113 |
| Levothyroxine Sodium | 219 | 60 |
| Amlodipine Besylate | 208 | 71 |
| Metoprolol Succinate | 191 | 45 |
| Metformin Hcl | 177 | 49 |
| Dapagliflozin Propanediolbrand: Farxiga | 164 | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$596 across 34 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
- 2009-01-21
- Last updated
- 2014-05-02
Frequently asked questions
- What is Gabriela Wojnarska-Alvarez's NPI number?
- Gabriela Wojnarska-Alvarez's National Provider Identifier (NPI) is 1023256559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gabriela Wojnarska-Alvarez's specialty?
- Gabriela Wojnarska-Alvarez is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Gabriela Wojnarska-Alvarez located?
- Gabriela Wojnarska-Alvarez's practice location on file with NPPES is 221 W Grand Ave, Montvale, NJ 07645-1729.
- What is Gabriela Wojnarska-Alvarez's phone number?
- The practice phone number listed in the NPPES registry for Gabriela Wojnarska-Alvarez is (101) 746-9333.
- Does Gabriela Wojnarska-Alvarez accept Medicare?
- Gabriela Wojnarska-Alvarez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gabriela Wojnarska-Alvarez's NPI active?
- Yes — Gabriela Wojnarska-Alvarez's NPI (1023256559) is active in the NPPES registry as of the last update on 2014-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.