PETER ZIGFRID ZADVINSKIS M.D.
NPI 1043381353
Internal Medicine - Rheumatology in Grand Rapids, MI


Quality Rating: 100 out of 100 score

NPI Status: Active since November 10, 2006

Contact Information

3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI
ZIP 49525
Phone: (616) 267-7293
Fax: (616) 267-9594

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NPPES record last updated: April 25, 2025. Verified against the NPPES registry weekly; last sync: July 12, 2026.

Record update history: Feb 23, 2021, Aug 21, 2017 (2 updates tracked since 2017).

  • Individual
  • Male
  • Internal Medicine
  • Rheumatology

About PETER ZADVINSKIS

This page provides the complete NPI Profile along with additional information for Peter Zadvinskis, an internist established in Grand Rapids, Michigan with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1043381353 assigned on November 2006. The practitioner's primary taxonomy code is 207RR0500X with license number PZ056351 (MI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1043381353
Provider Name
PETER ZIGFRID ZADVINSKIS M.D.
Gender
Male
Entity Type
Individual
Location Address
3271 CLEAR VISTA CT NE GRAND RAPIDS, MI 49525
Location Phone
(616) 267-7293
Location Fax
(616) 267-9594
Mailing Address
100 MICHIGAN ST NE MC 845 GRAND RAPIDS, MI 49503
Mailing Phone
(616) 486-6790
Mailing Fax
(616) 486-6702
Is Sole Proprietor?
No
Enumeration Date
11-10-2006
Last Update Date
04-25-2025
Code Navigator

An internist like Peter Zadvinskis is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
PZ056351
License State
MI
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Aspiration and/or injection of fluid from large joint

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

This service was performed 32 times for 17 patients

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

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.

This service was performed 275 times for 178 patients

Injection, methylprednisolone acetate, 80 mg

Methylprednisolone acetate is a strong anti-inflammatory medication. It is often given as an 80 mg injection to reduce inflammation and pain. It's commonly used for conditions like arthritis, allergic disorders, or other inflammatory diseases.

This service was performed 12 times for 11 patients

Overall MIPS Quality Performance

The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 100, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance.

The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.

  • Final Score: 100 out of 100

    The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.

  • Quality Score: 87.54

    The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category comprises 40% of a provider's final MIPS score.

    There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.

  • Promoting Interoperability Score: 100

    The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category comprises 25% of a provider's final MIPS score.

    The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data.

  • Improvement Activities Score: 40

    The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category comprises 15% of a provider's final MIPS score.

    The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category comprises 15% of a provider's final MIPS score.

  • Cost Score: N/A

    The Cost performance category assesses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category comprises 20% of a provider's final MIPS score.

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NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1043381353, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 4 → 8 3 → 6 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 8 + 3 + 6 + 8 + 2 + 3 + 1 + 0 + 24 = 57

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1043381353.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Nurse Practitioner
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Internal Medicine
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Internal Medicine (Rheumatology)
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Allergy & Immunology
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Physician Assistant
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Nurse Practitioner
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Internal Medicine
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Allergy & Immunology
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Allergy & Immunology
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Internal Medicine (Rheumatology)
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Allergy & Immunology
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Internal Medicine (Rheumatology)
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Allergy & Immunology
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Internal Medicine (Rheumatology)
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Physician Assistant
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Physician Assistant
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Allergy & Immunology
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Internal Medicine (Rheumatology)
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525
Internal Medicine (Rheumatology)
3271 CLEAR VISTA CT NE
GRAND RAPIDS, MI 49525

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043381353, enumerated as an "individual" on November 10, 2006.

The provider is located at 3271 CLEAR VISTA CT NE GRAND RAPIDS, MI 49525 and the phone number is (616) 267-7293.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.