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Larissa Diane Watson , FNP-BC

Nurse Practitioner • Indianapolis, IN

Active NPI 1821479908 Individual Practitioner Female Practitioner Accepts Medicare assignment
Practice location in NPPES

5940 Decatur Blvd
Indianapolis, IN 462419579

Call 3178562945 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

5940 Decatur Blvd

Indianapolis, IN 462419579

Telephone 3178562945
Fax 3178565122
Organization at the Same NPPES Address or Phone
Occupational Health Centers Of The Southwest P.a. Facility NPI 1619200250

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: American Current Care Pa. See the list

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

Graduation Year

2015

Medicare patients

106 people with Original Medicare in 2023

Different Original Medicare patients in 2023; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2023.

Medicare-allowed amount

About $9,797 in 2023

The total amount Medicare approved for these services in 2023. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023.

Paid by Medicare

About $6,380 in 2023

The part of the Medicare-allowed amount that Medicare itself paid in 2023, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2023.

30-day fills

11 standardized 30-day fills in 2023

CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.

What this does not show: 30-day fills

It is not a count of patients and not a measure of quality.

Part D drug cost

$15 in 2023

The total cost of these prescriptions in 2023, paid by Medicare drug plans, patients and other payers together.

What this does not show: Part D drug cost

A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.

Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2023.

Industry payments (Open Payments)

Fewer than 11 payment records totaling $23.94 in 2024

Drug and medical device companies must report certain payments to doctors and some other clinicians to CMS, such as meals, travel, speaking fees or research funding.

These records are submitted by drug and medical device companies, and a reported payment does not necessarily mean the financial relationship is improper.

General: payments not tied to research, such as meals, travel, consulting or speaking fees.

A reported payment does not necessarily mean the financial relationship is improper. Research payments can go to a hospital or university for a study the clinician leads, not to the clinician personally. Clinicians can dispute records with the company that reported them.

Source: CMS Open Payments, program year 2024.

Guide: How to read an Open Payments record

Years since graduation

11 years (graduated 2015)

CMS Doctors and Clinicians data list 2015 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026.

NPI first issued

2015

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Larissa Watson has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Larissa Watson as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Indianapolis and Indiana

Billing and prescribing volume is not a quality rating.

Medicare Part B

Comparisons use 2024 data. The latest CMS data for Larissa Watson are from 2023.

Medicare Part D

Comparisons use 2024 data. The latest CMS data for Larissa Watson are from 2023.

479 active clinicians are listed under Nurse Practitioner with a practice address in Indianapolis, IN (2,598 in Indiana).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Indianapolis

10.6% of these 479 clinicians have the CMS telehealth indicator.

49.7% of these 479 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2023), CMS Medicare Part D Prescribers (2023), CMS Open Payments (2024), CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2024

Program year 2024 (payments made January 1 – December 31, 2024): fewer than 11 records totaling $23.94.

Manufacturer Payment Nature Product Type Amount ($)
GlaxoSmithKline, LLC.
Food and Beverage
In-kind items and services
BEXSERO General $23.94

Source: CMS Open Payments, program year 2024, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2023.

CMS Part B · Data Year 2023
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2022 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2023; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes
34 31 $375.00 $67.12
80047 Blood test, basic group of blood chemicals (calcium, ionized)
24 24 $27.00 $13.46
85014 Red blood cell concentration measurement
24 24 $6.00 $2.32
36415 Insertion of needle into vein for collection of blood sample
23 23 $18.00 $7.41
99342 Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes
21 21 $375.00 $68.54
99344 Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes
20 20 $375.00 $127.67
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes
20 19 $375.00 $113.49
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes
18 17 $375.00 $39.06

Source: CMS Part B by Provider and Service, 2023; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Medicare Part D Prescribing Profile & Medications

Medicare Part D prescriptions filled, including refills, in 2023.

CMS Part D · Data Year 2023
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Prednisone Prednisone 11 60 $15.13 11

Source: CMS Part D by Provider and Drug, 2023; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2026-08-14
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

License # reported to NPPES IN 71005553A

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner - Adult Health

NUCC Taxonomy Code: 363LA2200X

License # reported to NPPES IN 71005553A
Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

License # reported to NPPES IL 209023916
Nurse Practitioner - Adult Health

NUCC Taxonomy Code: 363LA2200X

License # reported to NPPES IL 209023916
Nurse Practitioner - Primary Care

NUCC Taxonomy Code: 363LP2300X

License # reported to NPPES IN 28208703A
Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Indiana Professional Licensing Agency.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid ID
201312530 (IN)

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - NURSE PRACTITIONER

Medicare Enrollment ID

I20150826000893

Enrollment State Jurisdiction

IN

PECOS Control ID

1052627775

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File, CMS release of October 2, 2026

American Current Care Pa

4125 W Clara Ln, Muncie, IN 473045466

Phone: 7652888800

American Current Care Pa

5604 W 74th St, Indianapolis, IN 462781752

Phone: 3172901551

American Current Care Pa

5940 Decatur Blvd, Indianapolis, IN 462419579

Phone: 3178562945

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

12 Historical Events
📍
Updated Practice Location August 14, 2026

Registered at 5940 DECATUR BLVD, INDIANAPOLIS, IN 462419579 (Tel: 3178562945)

📍
Updated Business Mailing Address August 14, 2026

Registered at 5940 DECATUR BLVD, INDIANAPOLIS, IN 462419579 (Tel: 3178562945)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 14, 2026

Nurse Practitioner (license number reported to NPPES: IN 71005553A)

📍
Updated Practice Location April 18, 2025

Registered at 7320 E 86TH ST STE 100, INDIANAPOLIS, IN 462561250 (Tel: 4639999179)

📍
Updated Business Mailing Address April 18, 2025

Registered at 7320 E 86TH ST STE 100, INDIANAPOLIS, IN 462561250 (Tel: 4639999179)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 29, 2020

Nurse Practitioner (license number reported to NPPES: IN 71005553A)

✅
NPI Profile Active December 02, 2016

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) December 02, 2016

Registered at 2401 W UNIVERSITY AVE, MUNCIE, IN 473033428 (Tel: 7657473111)

📍
Business Mailing Address (Initial Record) December 02, 2016

Registered at 2401 W UNIVERSITY AVE, MUNCIE, IN 473033428 (Tel: 7657473111)

👤
Provider Name / Credentials (Initial Record) December 02, 2016

Recorded as LARISSA WATSON, FNP-BC

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 02, 2016

Nurse Practitioner (license number reported to NPPES: IN 71005553A)

🟢
Initial NPI Registration & Enumeration June 15, 2015

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1821479908
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 15, 2015
Last Update: August 14, 2026
Sole Proprietor: No

Other Nurse Practitioners in Indianapolis

All Nurse Practitioners in Indianapolis

Mailing Address

5940 Decatur Blvd

Indianapolis, IN 462419579

Phone: 3178562945

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.