Mark Wainstein, MD
NPI 1225033996 · Urology Physician · Truckee, CA
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wainstein, MD is a Urology Physician provider in Truckee, CA (NPI 1225033996).
Provider details
- NPI number
- 1225033996
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35072311 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
21 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Finasteride | 182 | 49 |
| Silodosin | 136 | 44 |
| Tamsulosin Hcl | 128 | 48 |
| Alfuzosin Hclbrand: Alfuzosin Hcl Er | 97 | 27 |
| Levofloxacin | 86 | 51 |
| Cefadroxil | 69 | 55 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 57 | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$348 across 14 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
- 2005-06-17
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Mark Wainstein's NPI number?
- Mark Wainstein's National Provider Identifier (NPI) is 1225033996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wainstein's specialty?
- Mark Wainstein is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Wainstein located?
- Mark Wainstein's practice location on file with NPPES is 10121 Pine Ave, Truckee, CA 96161-4835.
- What is Mark Wainstein's phone number?
- The practice phone number listed in the NPPES registry for Mark Wainstein is (530) 550-6770.
- Does Mark Wainstein accept Medicare?
- Mark Wainstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wainstein's NPI active?
- Yes — Mark Wainstein's NPI (1225033996) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.