NPPES file of Aug 9, 2026

Gabriela Wojnarska-Alvarez, MD

Nephrology Physician · Montvale, NJ

Gabriela Wojnarska-Alvarez, MD is a nephrology physician with a practice address in Montvale, New Jersey, and NPI 1023256559, issued on Jan 21, 2009. Check the license (New Jersey 25MA08598900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023256559
Name
Gabriela Wojnarska-Alvarez
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
25MA08598900 NJ
Self-reported in NPPES; status is on the state search
Practice location
221 W Grand Ave, Montvale, NJ 07645
Phone
(101) 746-9333
Enumerated
Jan 21, 2009
Record last updated
May 2, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(201) 746-9335
Medicare enrollment
Enrolled (PECOS I20120215000583); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 221 W Grand Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kellie CarpenterPhysical Therapist1114420049
  2. Iwona Pedatella, PA-CMedical Physician Assistant1043554512
  3. Hannah RoaPhysical Therapist1730995218
  4. Michael Steinhardt, PSY.D.Clinical Neuropsychologist1326250663
  5. Andrew Trozzo, DPTPhysical Therapist1710468483

Verify Gabriela Wojnarska-Alvarez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA08598900
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

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4.4 times the Medicare Part D claims of the average nephrology physician in 2024

6,507 Medicare Part D claims for 474 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 99 claims were for opioids.

  1. Gabriela Wojnarska-Alvarez6,507
  2. Specialty average1,465

Most prescribed

  1. Atorvastatin Calcium334 claims
  2. Levothyroxine Sodium219 claims
  3. Amlodipine Besylate208 claims
  4. Metoprolol Succinate191 claims
  5. Metformin Hcl177 claims
  6. Farxiga164 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 81 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score87.7
  2. Costout of 100 · 30%48.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $595.66

34 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gabriela Wojnarska-Alvarez$595.66
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Mpv New Jersey MD Services PCWestwood, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Gabriela Wojnarska-Alvarez among 433 nephrology physician records in New Jersey

Gabriela Wojnarska-Alvarez, MD is one of 433 nephrology physician records with a practice address in New Jersey. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 72% of them.

  • NPI issued2009 · 72% of these records are older, 24% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2005 · median 2000 among the 337 with a school on file
  • Record last updated2014 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in New Jersey

There are 433 nephrology physician records in New Jersey.

The 8 nephrology physician records with the nearest ZIP codes

  1. Arshia Abbasi, MDParamus, NJ 076521366756553
  2. Neha Chheda, M.D.Paramus, NJ 076521295051696
  3. Adaeze Ibeabuchi, M.D.Paramus, NJ 076521811219918
  4. Mikhail Kotlov, M.D.Paramus, NJ 076521891840872
  5. Radu Kramer, MDParamus, NJ 076521326036898
  6. Syed Raza, MDParamus, NJ 076521790766814
  7. John Rho, MDParamus, NJ 076521366433625
  8. Howard Weizman, MDParamus, NJ 076521033190103

Common questions

What is Gabriela Wojnarska-Alvarez, MD's NPI number?

Gabriela Wojnarska-Alvarez, MD's National Provider Identifier (NPI) is 1023256559, issued on Jan 21, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Gabriela Wojnarska-Alvarez, MD located?

The NPPES record lists a practice address at 221 W Grand Ave, Montvale, NJ, 07645. Phone: (101) 746-9333. Providers update this record themselves, so call before visiting.

How can I verify Gabriela Wojnarska-Alvarez, MD's license?

NPPES lists New Jersey license number 25MA08598900, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gabriela Wojnarska-Alvarez, MD prescribe under Medicare Part D?

In 2024, Gabriela Wojnarska-Alvarez, MD had 6,507 Medicare Part D claims for 474 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Gabriela Wojnarska-Alvarez, MD's MIPS final score?

The 2023 MIPS final score is 81 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.