LARISSA C DAY WALZ MD
NPI 1316114770
Internal Medicine in Carmel, IN

Q: What is Larissa Day Walz's NPI number?

The NPI number for Larissa Day Walz is 1316114770. It was assigned to this individual provider in the NPPES registry on May 14, 2008. The provider is also known as Larissa C Day MD.

Q: What is Larissa Day Walz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Larissa Day Walz was last updated on July 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 14, 2008PECOS EnrolledAccepts Medicare Assignment

11725 N ILLINOIS STREET, SUITE 595, CARMEL, IN 46032(317) 688-5522(317) 688-5533 Get Directions Write a Review

NPPES record last updated: July 21, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Larissa C Day Walz Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LARISSA C DAY WALZ MD (NPI 1316114770) is an individual internal medicine provider in Carmel, Indiana, licensed in Indiana (01068078A) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and is a graduate of Indiana University School Of Medicine (2007).

NPPES Registry Identity

NPI1316114770

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameLARISSA C DAY WALZCredential: MD

Location Address11725 N ILLINOIS STREET, SUITE 595Carmel, IN 46032-0052

Mailing Address250 N Shadeland Ave, Suite 130 - Provider EnrollmentIndianapolis, IN 46219-4959

Phone(317) 688-5522

Fax(317) 688-5533

Sole ProprietorNo

Medical School CMSIndiana University School Of MedicineGraduated 2007

Enumeration DateMay 14, 2008

Last NPPES UpdateJuly 21, 2014

✔ NPI 1316114770 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IN · 01068078A

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

11725 N ILLINOIS STREET, Carmel, IN 46032

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Other Names 1

Former Name (1)Larissa C Day Md

Other Identifiers 3

Medicare PINP01311338IN

Medicaid200982230IN

Medicare PIN264430159IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Larissa C Day Walz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789715814

PECOS Enrollment IDI20100706000314

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

376 services225 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

158 services134 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

94 services16 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

93 services16 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

67 services43 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

45 services41 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

45 services45 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

44 services38 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

43 services27 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

42 services42 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

35 services35 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

35 services35 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

14 services13 patients

Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 87428

This test uses a method called immunoassay to identify severe acute respiratory syndrome coronavirus and influenza. It works by detecting specific proteins (antigens) in a sample, like a nasal swab. It's a powerful tool in diagnosing these viral infections.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Indiana University Health

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150056

Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County

Emergency services Birthing friendly

Riverview Health

Acute Care Hospitals · Noblesville, IN

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number150059

Location395 Westfield RdNoblesville, IN 46060 · Hamilton County

Emergency services Birthing friendly

Ascension St Vincent Carmel

Acute Care Hospitals · Carmel, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150157

Location13500 N Meridian StCarmel, IN 46032 · Hamilton County

Emergency services Birthing friendly

Indiana University Health North Hospital

Acute Care Hospitals · Carmel, IN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150161

Location11700 N Meridian StCarmel, IN 46032 · Hamilton County

Emergency services Birthing friendly

Ascension St Vincent Fishers

Acute Care Hospitals · Fishers, IN

OwnershipVoluntary non-profit - Private

CMS Certification Number150181

Location13861 Olio RoadFishers, IN 46037 · Hamilton County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46032 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$94.22 typical visit price

range $16.93 – $132.22

Typical copayment $23.55 (range $4.23 – $33.05)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

10 suppliers22 claims53 services$6.12 avg. paid by Medicare

Wheelchair accessory, manual swingaway, retractable or removable mounting hardware for joystick, other control interface or positioning accessory E1028

DME-Wheelchairs · category DD021N

1 supplier11 claims11 services$9.91 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers31 claims32 services$69.74 avg. paid by Medicare

Heavy duty wheelchair K0006

DME-Wheelchairs · category DD000N

1 supplier11 claims11 services$65.51 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers13 claims13 services$210.58 avg. paid by Medicare

Power wheelchair, group 2 standard, portable, captains chair, patient weight capacity up to and including 300 pounds K0821

DME-Wheelchairs · category DD009N

1 supplier11 claims11 services$141.56 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. YVONNE MARIE KIEFFER NP

Nurse Practitioner (Acute Care)

11725 N ILLINOIS STREET, SUITE 275
CARMEL, IN 46032

Hamilton County (317) 688-4864

PAULA S HAFFLEY PA-C

Physician Assistant (Surgical)

11725 N ILLINOIS STREET, SUITE 350
CARMEL, IN 46032

Hamilton County (317) 688-2647

WILLIAM L F HARVEY MD

Internal Medicine (Pulmonary Disease)

11725 N ILLINOIS STREET, SUITE 465
CARMEL, IN 46032

Hamilton County (317) 688-5840

DR. ANDY R DILLINGHAM DO

Family Medicine

11725 N ILLINOIS STREET, LL050
CARMEL, IN 46032

Hamilton County (317) 688-5626

KANDICE K LUDWIG MD

Surgery

11725 N ILLINOIS STREET, SUITE 545
CARMEL, IN 46032

Hamilton County (317) 688-3220

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Larissa Day Walz's NPI number?

The NPI number for Larissa Day Walz is 1316114770. It was assigned to this individual provider in the NPPES registry on May 14, 2008. The provider is also known as Larissa C Day MD.

Where is Larissa Day Walz located?

Larissa Day Walz practices at 11725 N Illinois Street Suite 595, Carmel, IN 46032. The listed phone number is (317) 688-5522.

What is Larissa Day Walz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Larissa Day Walz enrolled in Medicare?

Yes. Larissa Day Walz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Larissa Day Walz accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Larissa Day Walz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Larissa Day Walz affiliated with any hospitals?

According to CMS data, Larissa Day Walz is affiliated with Indiana University Health, Riverview Health, Ascension St Vincent Carmel, Indiana University Health North Hospital and Ascension St Vincent Fishers.

When was this NPI record last updated?

The NPPES record for Larissa Day Walz was last updated on July 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.