Larissa Day Walz, MD
NPI 1316114770 · Internal Medicine Physician · Carmel, IN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Larissa Day Walz, MD is a Internal Medicine Physician provider in Carmel, IN (NPI 1316114770).
Provider details
- NPI number
- 1316114770
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 01068078A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
932 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 376 | $119 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 158 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 94 | $13 |
| Hemoglobin A1c Level83036 | 67 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 45 | $164 |
| Administration of Influenza Virus VaccineG0008 | 45 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 443 | 132 |
| Levothyroxine Sodium | 366 | 95 |
| Rosuvastatin Calcium | 285 | 100 |
| Losartan Potassium | 253 | 73 |
| Amlodipine Besylate | 225 | 64 |
| Duloxetine Hcl | 161 | 39 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-14
- Last updated
- 2014-07-21
Frequently asked questions
- What is Larissa Day Walz's NPI number?
- Larissa Day Walz's National Provider Identifier (NPI) is 1316114770, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Larissa Day Walz's specialty?
- Larissa Day Walz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Larissa Day Walz located?
- Larissa Day Walz's practice location on file with NPPES is 11725 N Illinois Street, Carmel, IN 46032-0052.
- What is Larissa Day Walz's phone number?
- The practice phone number listed in the NPPES registry for Larissa Day Walz is (317) 688-5522.
- Does Larissa Day Walz accept Medicare?
- Larissa Day Walz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Larissa Day Walz's NPI active?
- Yes — Larissa Day Walz's NPI (1316114770) is active in the NPPES registry as of the last update on 2014-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.