Michael Tonzi, MD
NPI 1427555309 · Urology Physician · Montrose, CO
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Tonzi, MD is a Urology Physician provider in Montrose, CO (NPI 1427555309).
Provider details
- NPI number
- 1427555309
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- DR.0070008 (CO)
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
8 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
2,663 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 | 640 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 559 | $127 |
| Automated Urinalysis Test81003 | 484 | $2 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 338 | $12 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 209 | $167 |
| Electronic Assessment of Bladder Emptying |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 179 | 72 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 79 | 49 |
| Finasteride | 77 | 26 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 69 | 54 |
| Mirabegronbrand: Myrbetriq | 67 | 26 |
| Nitrofurantoin Macrocrystalbrand: Nitrofurantoin | 54 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$344 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
- 2018-04-09
- Last updated
- 2025-10-15
- Certified
- 2025-10-15
Frequently asked questions
- What is Michael Tonzi's NPI number?
- Michael Tonzi's National Provider Identifier (NPI) is 1427555309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Tonzi's specialty?
- Michael Tonzi is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Tonzi located?
- Michael Tonzi's practice location on file with NPPES is 3330 S Rio Grande Ave Ste 140, Montrose, CO 81401-4850.
- What is Michael Tonzi's phone number?
- The practice phone number listed in the NPPES registry for Michael Tonzi is (970) 497-8100.
- Does Michael Tonzi accept Medicare?
- Michael Tonzi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Tonzi's NPI active?
- Yes — Michael Tonzi's NPI (1427555309) is active in the NPPES registry as of the last update on 2025-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.