Mathias Stroemel, DO
NPI 1265446660 · Nephrology Physician · Walla Walla, WA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mathias Stroemel, DO is a Nephrology Physician provider in Walla Walla, WA (NPI 1265446660).
Provider details
- NPI number
- 1265446660
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OP1416 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,117 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 | 365 | $89 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 161 | $186 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 93 | $270 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 91 | $61 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 83 | $122 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 102 | 34 |
| Furosemide | 102 | 47 |
| Lisinopril | 74 | 30 |
| Amlodipine Besylate | 71 | 31 |
| Nifedipinebrand: Nifedipine Er | 62 | 24 |
| Empagliflozinbrand: Jardiance | 60 | 16 |
| Carvedilol | 58 | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$228 across 2 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
Additional practice locations (1)
- 311 E Spruce StGarden City, KS 67846-5614Phone: (620) 271-3190Fax: (620) 271-3117
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2024-01-09
- Certified
- 2023-11-28
Frequently asked questions
- What is Mathias Stroemel's NPI number?
- Mathias Stroemel's National Provider Identifier (NPI) is 1265446660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mathias Stroemel's specialty?
- Mathias Stroemel is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mathias Stroemel located?
- Mathias Stroemel's practice location on file with NPPES is 301 W Poplar, Walla Walla, WA 99362.
- What is Mathias Stroemel's phone number?
- The practice phone number listed in the NPPES registry for Mathias Stroemel is (509) 522-5824.
- Does Mathias Stroemel accept Medicare?
- Mathias Stroemel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mathias Stroemel's NPI active?
- Yes — Mathias Stroemel's NPI (1265446660) is active in the NPPES registry as of the last update on 2024-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.