Cara Walz, MD
NPI 1538126867 · Internal Medicine Physician · Maplewood, MN
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cara Walz, MD is a Internal Medicine Physician provider in Maplewood, MN (NPI 1538126867).
Provider details
- NPI number
- 1538126867
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 39607 (MN)
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
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
521 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 173 | $74 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 112 | $286 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 44 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $105 |
| Hemodialysis Procedure With Physician Evaluation90935 | 38 | $67 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 65 | 21 |
| Amlodipine Besylate | 50 | 17 |
| Carvedilol | 43 | 15 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 32 | — |
| Furosemide | 30 | — |
| Atorvastatin Calcium | 28 | — |
| Prednisone | 26 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 across 3 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
- 2006-04-28
- Last updated
- 2022-10-25
- Certified
- 2022-10-25
Frequently asked questions
- What is Cara Walz's NPI number?
- Cara Walz's National Provider Identifier (NPI) is 1538126867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cara Walz's specialty?
- Cara Walz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Cara Walz located?
- Cara Walz's practice location on file with NPPES is 1997 Sloan Pl Ste 17, Maplewood, MN 55117-2051.
- What is Cara Walz's phone number?
- The practice phone number listed in the NPPES registry for Cara Walz is (651) 772-6251.
- Does Cara Walz accept Medicare?
- Cara Walz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cara Walz's NPI active?
- Yes — Cara Walz's NPI (1538126867) is active in the NPPES registry as of the last update on 2022-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.