DR. GABRIELA WOJNARSKA-ALVAREZ MD
NPI 1023256559
Internal Medicine - Nephrology in Montvale, NJ

Q: What is Gabriela Wojnarska-alvarez's NPI number?

The NPI number for Gabriela Wojnarska-alvarez is 1023256559. It was assigned to this individual provider in the NPPES registry on January 21, 2009.

Q: What is Gabriela Wojnarska-alvarez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Active since January 21, 2009PECOS EnrolledAccepts Medicare Assignment

80.98/100

CMS Quality Rating

221 W GRAND AVE, SUITE 105, MONTVALE, NJ 07645(101) 746-9333(201) 746-9335 Get Directions Write a Review

NPPES record last updated: May 2, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Gabriela Wojnarska-alvarez Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GABRIELA WOJNARSKA-ALVAREZ MD (NPI 1023256559) is an individual nephrology provider in Montvale, New Jersey, licensed in New Jersey (25MA08598900) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS, is affiliated with Hackensack University Medical Center, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1023256559

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameDR. GABRIELA WOJNARSKA-ALVAREZCredential: MD

Location Address221 W GRAND AVE, SUITE 105Montvale, NJ 07645-1729

Mailing Address145 North AvePark Ridge, NJ 07656-1610 · (201) 893-5811

Phone(101) 746-9333

Fax(201) 746-9335

Sole ProprietorYes

Medical School CMSOtherGraduated 2005

Enumeration DateJanuary 21, 2009

Last NPPES UpdateMay 2, 2014

✔ NPI 1023256559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in NJ · 25MA08598900

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

221 W GRAND AVE, Montvale, NJ 07645

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gabriela Wojnarska-alvarez Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890953178

PECOS Enrollment IDI20120215000583

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gabriela Wojnarska-alvarez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mpv New Jersey MD Services PC

5.0 mi

General Practice

250 OLD HOOK RD
Westwood, NJ 07675

Reassigned Medicare billing, New Jersey enrollment
189 clinicians in this Medicare group

NPI 1215391271 (201) 781-1387

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

185 services126 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

177 services114 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

137 services137 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

109 services70 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

102 services85 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

34 services30 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

32 services30 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

30 services28 patients

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

27 services21 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 87426

An immunoassay test for severe acute respiratory syndrome coronavirus is a diagnostic tool. It uses your body's immune response to detect the presence of the virus. It involves taking a sample, usually from your nose or throat, which is then analyzed in a lab for signs of the virus.

23 services21 patients

Detection test by immunoassay with direct visual observation for respiratory syncytial virus 87807

This is a test to identify the respiratory syncytial virus, a common cause of lung and respiratory tract infections. It uses immunoassay, a method that detects the virus through a reaction between the virus and specific antibodies. The result is visually observed.

22 services20 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

21 services13 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

19 services17 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

18 services15 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

14 services14 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hackensack University Medical Center

Acute Care Hospitals · Hackensack, NJ

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310001

Location30 Prospect AveHackensack, NJ 07601 · Bergen County

Emergency services Birthing friendly

Holy Name Medical Center

Acute Care Hospitals · Teaneck, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310008

Location718 Teaneck RdTeaneck, NJ 07666 · Bergen County

Emergency services Birthing friendly

Valley Hospital

Acute Care Hospitals · Paramus, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310012

Location4 Valley Health PlazaParamus, NJ 07652 · Bergen County

Emergency services Birthing friendly

Englewood Hospital And Medical Center

Acute Care Hospitals · Englewood, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310045

Location350 Engle StEnglewood, NJ 07631 · Bergen County

Emergency services Birthing friendly

Hackensack Meridian Health Pascack Valley Medical

Acute Care Hospitals · Westwood, NJ

4/5 CMS rating

OwnershipProprietary

CMS Certification Number310130

Location250 Old Hook RoadWestwood, NJ 07675 · Bergen County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07645 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.98/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

87.71

Promoting Interoperability

100

Improvement Activities

Cost

48.9

Reported Quality Measures

Adult Sinusitis: Antibiotic Prescribed for Acute Viral Sinusitis (Overuse)

Lower rates are better for this measure.

56%321 patients2/55-star benchmark: 100%

Advance Care Plan

32%492 patients2/55-star benchmark: 100%

Breast Cancer Screening

68%641 patients3/55-star benchmark: 93%

Cervical Cancer Screening

60%1,337 patients3/55-star benchmark: 98%

Colorectal Cancer Screening

61%1,555 patients3/55-star benchmark: 88%

Controlling High Blood Pressure

55%358 patients3/55-star benchmark: 91%

Diabetes: Eye Exam

30%253 patients2/55-star benchmark: 100%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

31%253 patients4/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

98%5,670 patients4/55-star benchmark: 100%

e-Prescribing

100%3,849 patients5/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

55%2,747 patients3/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

35%2,535 patients2/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

25%4,132 patients2/55-star benchmark: 61%

Provide Patients Electronic Access to Their Health Information

85%1,242 patients4/55-star benchmark: 100%

Statin Therapy for the Prevention and Treatment of Cardiovascular Disease

76%466 patients3/55-star benchmark: 91%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

10 suppliers27 claims54 services$6.40 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers12 claims1,440 services$0.20 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

2 suppliers15 claims18 services$12.61 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

IWONA PEDATELLA PA-C

Physician Assistant (Medical)

221 W GRAND AVE
MONTVALE, NJ 07645

Bergen County (201) 307-0075

PCN MEDICAL GROUP, LLC

Internal Medicine (Nephrology)

221 W GRAND AVE
MONTVALE, NJ 07645

Bergen County (201) 746-9333

KELLIE JEAN CARPENTER

Physical Therapist

221 W GRAND AVE
MONTVALE, NJ 07645

Bergen County (201) 307-9209

DR. MICHAEL STEINHARDT PSY.D.

Clinical Neuropsychologist

221 W GRAND AVE, SUITE 103
MONTVALE, NJ 07645

Bergen County (201) 696-3838

NEUROCOGNITIVE ASSOCIATES, PC

Clinical Neuropsychologist

221 W GRAND AVE, SUITE 103
MONTVALE, NJ 07645

Bergen County (201) 696-3838

DR. ANDREW TROZZO DPT

Physical Therapist

221 W GRAND AVE
MONTVALE, NJ 07645

Bergen County (201) 307-9209

HANNAH MORGAN ROA

Physical Therapist

221 W GRAND AVE
MONTVALE, NJ 07645

Bergen County (201) 307-9209

SONIA VULAKH DDS PA

Dentist

221 W GRAND AVE, SUITE 100
MONTVALE, NJ 07645

Bergen County (201) 391-3060

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gabriela Wojnarska-alvarez's NPI number?

The NPI number for Gabriela Wojnarska-alvarez is 1023256559. It was assigned to this individual provider in the NPPES registry on January 21, 2009.

Where is Gabriela Wojnarska-alvarez located?

Gabriela Wojnarska-alvarez practices at 221 W Grand Ave Suite 105, Montvale, NJ 07645. The listed phone number is (101) 746-9333.

What is Gabriela Wojnarska-alvarez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Gabriela Wojnarska-alvarez enrolled in Medicare?

Yes. Gabriela Wojnarska-alvarez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gabriela Wojnarska-alvarez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabriela Wojnarska-alvarez reassigns Medicare benefits to Mpv New Jersey MD Services PC (Westwood, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gabriela Wojnarska-alvarez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gabriela Wojnarska-alvarez accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Gabriela Wojnarska-alvarez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gabriela Wojnarska-alvarez affiliated with any hospitals?

According to CMS data, Gabriela Wojnarska-alvarez is affiliated with Hackensack University Medical Center, Holy Name Medical Center, Valley Hospital, Englewood Hospital And Medical Center and Hackensack Meridian Health Pascack Valley Medical.

When was this NPI record last updated?

The NPPES record for Gabriela Wojnarska-alvarez was last updated on May 2, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.