Matthew Gretzer, MD
NPI 1033184700 · Urology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Gretzer, MD is a Urology Physician provider in Tucson, AZ (NPI 1033184700).
Provider details
- NPI number
- 1033184700
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 33803 (AZ)
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
20 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
788 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 232 | $94 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $62 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 119 | $127 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 75 | $75 |
| Electronic Assessment of Bladder Emptying51741 | 72 | $8 |
| Simple Change of Bladder Tube51705 |
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 | 463 | 158 |
| Mirabegronbrand: Myrbetriq | 119 | 34 |
| Doxazosin Mesylate | 116 | 25 |
| Solifenacin Succinate | 55 | 17 |
| Finasteride | 53 | 19 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 46 | 22 |
| Tolterodine Tartratebrand: Tolterodine Tartrate Er | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$58 across 1 record (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
- 2006-02-17
- Last updated
- 2008-05-29
Frequently asked questions
- What is Matthew Gretzer's NPI number?
- Matthew Gretzer's National Provider Identifier (NPI) is 1033184700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Gretzer's specialty?
- Matthew Gretzer is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Gretzer located?
- Matthew Gretzer's practice location on file with NPPES is 1501 N Campbell Ave, Tucson, AZ 85724-0001.
- What is Matthew Gretzer's phone number?
- The practice phone number listed in the NPPES registry for Matthew Gretzer is (520) 874-3500.
- Does Matthew Gretzer accept Medicare?
- Matthew Gretzer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Gretzer's NPI active?
- Yes — Matthew Gretzer's NPI (1033184700) is active in the NPPES registry as of the last update on 2008-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.