Michael Zavaski, MD
NPI 1427491919 · Urology Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Zavaski, MD is a Urology Physician provider in Springfield, MA (NPI 1427491919).
Provider details
- NPI number
- 1427491919
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 276726 (MA)
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
13 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
11,777 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) |
|---|---|---|
| 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 | 1,709 | $16 |
| Detection Test By Nucleic Acid for Organism, Amplified Probe Technique87798 | 1,391 | $34 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,222 | $129 |
| Automated Urinalysis Test81003 | 1,031 | $2 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 749 | $12 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 677 | 224 |
| Finasteride | 413 | 132 |
| Vibegronbrand: Gemtesa | 163 | 49 |
| Mirabegronbrand: Myrbetriq | 132 | 29 |
| Ciprofloxacin Hcl | 87 | 74 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 50 | 38 |
| Methenamine Hippurate | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$266 across 11 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
- 2013-04-15
- Last updated
- 2023-09-26
- Certified
- 2023-09-26
Frequently asked questions
- What is Michael Zavaski's NPI number?
- Michael Zavaski's National Provider Identifier (NPI) is 1427491919, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Zavaski's specialty?
- Michael Zavaski is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Zavaski located?
- Michael Zavaski's practice location on file with NPPES is 100 Wason Ave Ste 120, Springfield, MA 01107.
- What is Michael Zavaski's phone number?
- The practice phone number listed in the NPPES registry for Michael Zavaski is (413) 241-2100.
- Does Michael Zavaski accept Medicare?
- Michael Zavaski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Zavaski's NPI active?
- Yes — Michael Zavaski's NPI (1427491919) is active in the NPPES registry as of the last update on 2023-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.